diff options
53 files changed, 658 insertions, 167 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 2ff2b6ab5b6c..cbe6f3924a10 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -998,6 +998,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) } if (acpi_video_backlight_support()) { + struct backlight_properties props; int result; static int count = 0; char *name; @@ -1010,12 +1011,14 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) return; sprintf(name, "acpi_video%d", count++); - device->backlight = backlight_device_register(name, - NULL, device, &acpi_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = device->brightness->count - 3; + device->backlight = backlight_device_register(name, NULL, device, + &acpi_backlight_ops, + &props); kfree(name); if (IS_ERR(device->backlight)) return; - device->backlight->props.max_brightness = device->brightness->count-3; result = sysfs_create_link(&device->backlight->dev.kobj, &device->dev->dev.kobj, "device"); diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c index 20564f8cb0ec..406228f4a2a0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_backlight.c +++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c @@ -89,19 +89,21 @@ static struct backlight_ops nv50_bl_ops = { static int nouveau_nv40_backlight_init(struct drm_device *dev) { + struct backlight_properties props; struct drm_nouveau_private *dev_priv = dev->dev_private; struct backlight_device *bd; if (!(nv_rd32(dev, NV40_PMC_BACKLIGHT) & NV40_PMC_BACKLIGHT_MASK)) return 0; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 31; bd = backlight_device_register("nv_backlight", &dev->pdev->dev, dev, - &nv40_bl_ops); + &nv40_bl_ops, &props); if (IS_ERR(bd)) return PTR_ERR(bd); dev_priv->backlight = bd; - bd->props.max_brightness = 31; bd->props.brightness = nv40_get_intensity(bd); backlight_update_status(bd); @@ -110,19 +112,21 @@ static int nouveau_nv40_backlight_init(struct drm_device *dev) static int nouveau_nv50_backlight_init(struct drm_device *dev) { + struct backlight_properties props; struct drm_nouveau_private *dev_priv = dev->dev_private; struct backlight_device *bd; if (!nv_rd32(dev, NV50_PDISPLAY_SOR_BACKLIGHT)) return 0; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 1025; bd = backlight_device_register("nv_backlight", &dev->pdev->dev, dev, - &nv50_bl_ops); + &nv50_bl_ops, &props); if (IS_ERR(bd)) return PTR_ERR(bd); dev_priv->backlight = bd; - bd->props.max_brightness = 1025; bd->props.brightness = nv50_get_intensity(bd); backlight_update_status(bd); return 0; diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index 4f3c4479c16a..1cec02f6c431 100644 --- a/drivers/macintosh/via-pmu-backlight.c +++ b/drivers/macintosh/via-pmu-backlight.c @@ -144,6 +144,7 @@ void pmu_backlight_set_sleep(int sleep) void __init pmu_backlight_init() { + struct backlight_properties props; struct backlight_device *bd; char name[10]; int level, autosave; @@ -161,13 +162,15 @@ void __init pmu_backlight_init() snprintf(name, sizeof(name), "pmubl"); - bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data, + &props); if (IS_ERR(bd)) { printk(KERN_ERR "PMU Backlight registration failed\n"); return; } uses_pmu_bl = 1; - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; pmu_backlight_init_curve(0x7F, 0x46, 0x0E); level = bd->props.max_brightness; diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 226b3e93498c..cbca40aa4006 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -922,9 +922,13 @@ static struct backlight_ops acer_bl_ops = { static int __devinit acer_backlight_init(struct device *dev) { + struct backlight_properties props; struct backlight_device *bd; - bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = max_brightness; + bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops, + &props); if (IS_ERR(bd)) { printk(ACER_ERR "Could not register Acer backlight device\n"); acer_backlight_device = NULL; @@ -935,7 +939,6 @@ static int __devinit acer_backlight_init(struct device *dev) bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = read_brightness(bd); - bd->props.max_brightness = max_brightness; backlight_update_status(bd); return 0; } diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 791fcf321506..db5f7db2ba33 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -639,12 +639,16 @@ static int asus_backlight_init(struct asus_laptop *asus) { struct backlight_device *bd; struct device *dev = &asus->platform_device->dev; + struct backlight_properties props; if (!acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) && !acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) && lcd_switch_handle) { + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; + bd = backlight_device_register(ASUS_LAPTOP_FILE, dev, - asus, &asusbl_ops); + asus, &asusbl_ops, &props); if (IS_ERR(bd)) { pr_err("Could not register asus backlight device\n"); asus->backlight_device = NULL; @@ -653,7 +657,6 @@ static int asus_backlight_init(struct asus_laptop *asus) asus->backlight_device = bd; - bd->props.max_brightness = 15; bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = asus_read_brightness(bd); backlight_update_status(bd); diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c index 1381430e1105..ee520357abaa 100644 --- a/drivers/platform/x86/asus_acpi.c +++ b/drivers/platform/x86/asus_acpi.c @@ -1481,6 +1481,7 @@ static void asus_acpi_exit(void) static int __init asus_acpi_init(void) { + struct backlight_properties props; int result; result = acpi_bus_register_driver(&asus_hotk_driver); @@ -1507,15 +1508,17 @@ static int __init asus_acpi_init(void) return -ENODEV; } + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; asus_backlight_device = backlight_device_register("asus", NULL, NULL, - &asus_backlight_data); + &asus_backlight_data, + &props); if (IS_ERR(asus_backlight_device)) { printk(KERN_ERR "Could not register asus backlight device\n"); asus_backlight_device = NULL; asus_acpi_exit(); return -ENODEV; } - asus_backlight_device->props.max_brightness = 15; return 0; } diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index 035a7dd65a3f..c696cf1c2616 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -455,18 +455,22 @@ static int cmpc_bl_update_status(struct backlight_device *bd) return -1; } -static struct backlight_ops cmpc_bl_ops = { +static const struct backlight_ops cmpc_bl_ops = { .get_brightness = cmpc_bl_get_brightness, .update_status = cmpc_bl_update_status }; static int cmpc_bl_add(struct acpi_device *acpi) { + struct backlight_properties props; struct backlight_device *bd; - bd = backlight_device_register("cmpc_bl", &acpi->dev, - acpi->handle, &cmpc_bl_ops); - bd->props.max_brightness = 7; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 7; + bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle, + &cmpc_bl_ops, &props); + if (IS_ERR(bd)) + return PTR_ERR(bd); dev_set_drvdata(&acpi->dev, bd); return 0; } diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c index 2740b40aad9b..71ff1545a93e 100644 --- a/drivers/platform/x86/compal-laptop.c +++ b/drivers/platform/x86/compal-laptop.c @@ -291,12 +291,15 @@ static int __init compal_init(void) /* Register backlight stuff */ if (!acpi_video_backlight_support()) { - compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, - &compalbl_ops); + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = COMPAL_LCD_LEVEL_MAX - 1; + compalbl_device = backlight_device_register("compal-laptop", + NULL, NULL, + &compalbl_ops, + &props); if (IS_ERR(compalbl_device)) return PTR_ERR(compalbl_device); - - compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; } ret = platform_driver_register(&compal_driver); diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index ef614979afe9..46435ac4684f 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -559,10 +559,14 @@ static int __init dell_init(void) release_buffer(); if (max_intensity) { - dell_backlight_device = backlight_device_register( - "dell_backlight", - &platform_device->dev, NULL, - &dell_ops); + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = max_intensity; + dell_backlight_device = backlight_device_register("dell_backlight", + &platform_device->dev, + NULL, + &dell_ops, + &props); if (IS_ERR(dell_backlight_device)) { ret = PTR_ERR(dell_backlight_device); @@ -570,7 +574,6 @@ static int __init dell_init(void) goto fail_backlight; } - dell_backlight_device->props.max_brightness = max_intensity; dell_backlight_device->props.brightness = dell_get_intensity(dell_backlight_device); backlight_update_status(dell_backlight_device); diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 9a844caa3756..3fdf21e0052e 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -1131,18 +1131,20 @@ static int eeepc_backlight_notify(struct eeepc_laptop *eeepc) static int eeepc_backlight_init(struct eeepc_laptop *eeepc) { + struct backlight_properties props; struct backlight_device *bd; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; bd = backlight_device_register(EEEPC_LAPTOP_FILE, - &eeepc->platform_device->dev, - eeepc, &eeepcbl_ops); + &eeepc->platform_device->dev, eeepc, + &eeepcbl_ops, &props); if (IS_ERR(bd)) { pr_err("Could not register eeepc backlight device\n"); eeepc->backlight_device = NULL; return PTR_ERR(bd); } eeepc->backlight_device = bd; - bd->props.max_brightness = 15; bd->props.brightness = read_brightness(bd); bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 5f3320d468f6..c1074b32490e 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -1126,16 +1126,20 @@ static int __init fujitsu_init(void) /* Register backlight stuff */ if (!acpi_video_backlight_support()) { - fujitsu->bl_device = - backlight_device_register("fujitsu-laptop", NULL, NULL, - &fujitsubl_ops); + struct backlight_properties props; + + memset(&props, 0, sizeof(struct backlight_properties)); + max_brightness = fujitsu->max_brightness; + props.max_brightness = max_brightness - 1; + fujitsu->bl_device = backlight_device_register("fujitsu-laptop", + NULL, NULL, + &fujitsubl_ops, + &props); if (IS_ERR(fujitsu->bl_device)) { ret = PTR_ERR(fujitsu->bl_device); fujitsu->bl_device = NULL; goto fail_sysfs_group; } - max_brightness = fujitsu->max_brightness; - fujitsu->bl_device->props.max_brightness = max_brightness - 1; fujitsu->bl_device->props.brightness = fujitsu->brightness_level; } diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c index c2b05da4289a..996223a7c009 100644 --- a/drivers/platform/x86/msi-laptop.c +++ b/drivers/platform/x86/msi-laptop.c @@ -683,11 +683,14 @@ static int __init msi_init(void) printk(KERN_INFO "MSI: Brightness ignored, must be controlled " "by ACPI video driver\n"); } else { + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = MSI_LCD_LEVEL_MAX - 1; msibl_device = backlight_device_register("msi-laptop-bl", NULL, - NULL, &msibl_ops); + NULL, &msibl_ops, + &props); if (IS_ERR(msibl_device)) return PTR_ERR(msibl_device); - msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1; } ret = platform_driver_register(&msipf_driver); diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index f5f70d4c6913..367caaae2f3c 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -138,7 +138,7 @@ static int bl_set_status(struct backlight_device *bd) return msi_wmi_set_block(0, backlight_map[bright]); } -static struct backlight_ops msi_backlight_ops = { +static const struct backlight_ops msi_backlight_ops = { .get_brightness = bl_get, .update_status = bl_set_status, }; @@ -249,12 +249,17 @@ static int __init msi_wmi_init(void) goto err_uninstall_notifier; if (!acpi_video_backlight_support()) { - backlight = backlight_device_register(DRV_NAME, - NULL, NULL, &msi_backlight_ops); - if (IS_ERR(backlight)) + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = ARRAY_SIZE(backlight_map) - 1; + backlight = backlight_device_register(DRV_NAME, NULL, NULL, + &msi_backlight_ops, + &props); + if (IS_ERR(backlight)) { + err = PTR_ERR(backlight); goto err_free_input; + } - backlight->props.max_brightness = ARRAY_SIZE(backlight_map) - 1; err = bl_get(NULL); if (err < 0) goto err_free_backlight; diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index c9fc479fc290..726f02affcb6 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -352,7 +352,7 @@ static int bl_set_status(struct backlight_device *bd) return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright); } -static struct backlight_ops pcc_backlight_ops = { +static const struct backlight_ops pcc_backlight_ops = { .get_brightness = bl_get, .update_status = bl_set_status, }; @@ -600,6 +600,7 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device) static int acpi_pcc_hotkey_add(struct acpi_device *device) { + struct backlight_properties props; struct pcc_acpi *pcc; int num_sifr, result; @@ -637,24 +638,25 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) if (result) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n")); - goto out_sinf; + goto out_hotkey; } - /* initialize backlight */ - pcc->backlight = backlight_device_register("panasonic", NULL, pcc, - &pcc_backlight_ops); - if (IS_ERR(pcc->backlight)) - goto out_input; - if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n")); - goto out_backlight; + goto out_input; + } + /* initialize backlight */ + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = pcc->sinf[SINF_AC_MAX_BRIGHT]; + pcc->backlight = backlight_device_register("panasonic", NULL, pcc, + &pcc_backlight_ops, &props); + if (IS_ERR(pcc->backlight)) { + result = PTR_ERR(pcc->backlight); + goto out_sinf; } /* read the initial brightness setting from the hardware */ - pcc->backlight->props.max_brightness = - pcc->sinf[SINF_AC_MAX_BRIGHT]; pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT]; /* read the initial sticky key mode from the hardware */ @@ -669,12 +671,12 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) out_backlight: backlight_device_unregister(pcc->backlight); +out_sinf: + kfree(pcc->sinf); out_input: input_unregister_device(pcc->input_dev); /* no need to input_free_device() since core input API refcount and * free()s the device */ -out_sinf: - kfree(pcc->sinf); out_hotkey: kfree(pcc); diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 5a3d8514c66d..6553b91caaa4 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -1291,9 +1291,13 @@ static int sony_nc_add(struct acpi_device *device) "controlled by ACPI video driver\n"); } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &handle))) { + struct backlight_properties props; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = SONY_MAX_BRIGHTNESS - 1; sony_backlight_device = backlight_device_register("sony", NULL, NULL, - &sony_backlight_ops); + &sony_backlight_ops, + &props); if (IS_ERR(sony_backlight_device)) { printk(KERN_WARNING DRV_PFX "unable to register backlight device\n"); @@ -1302,8 +1306,6 @@ static int sony_nc_add(struct acpi_device *device) sony_backlight_device->props.brightness = sony_backlight_get_brightness (sony_backlight_device); - sony_backlight_device->props.max_brightness = - SONY_MAX_BRIGHTNESS - 1; } } diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index c64e3528889b..770b85327f84 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -6170,6 +6170,7 @@ static const struct tpacpi_quirk brightness_quirk_table[] __initconst = { static int __init brightness_init(struct ibm_init_struct *iibm) { + struct backlight_properties props; int b; unsigned long quirks; @@ -6259,9 +6260,12 @@ static int __init brightness_init(struct ibm_init_struct *iibm) printk(TPACPI_INFO "detected a 16-level brightness capable ThinkPad\n"); - ibm_backlight_device = backlight_device_register( - TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL, - &ibm_backlight_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = (tp_features.bright_16levels) ? 15 : 7; + ibm_backlight_device = backlight_device_register(TPACPI_BACKLIGHT_DEV_NAME, + NULL, NULL, + &ibm_backlight_data, + &props); if (IS_ERR(ibm_backlight_device)) { int rc = PTR_ERR(ibm_backlight_device); ibm_backlight_device = NULL; @@ -6280,8 +6284,6 @@ static int __init brightness_init(struct ibm_init_struct *iibm) "or not on your ThinkPad\n", TPACPI_MAIL); } - ibm_backlight_device->props.max_brightness = - (tp_features.bright_16levels)? 15 : 7; ibm_backlight_device->props.brightness = b & TP_EC_BACKLIGHT_LVLMSK; backlight_update_status(ibm_backlight_device); diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 789240d1b577..def4841183be 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -924,6 +924,7 @@ static int __init toshiba_acpi_init(void) u32 hci_result; bool bt_present; int ret = 0; + struct backlight_properties props; if (acpi_disabled) return -ENODEV; @@ -974,10 +975,12 @@ static int __init toshiba_acpi_init(void) } } + props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; toshiba_backlight_device = backlight_device_register("toshiba", - &toshiba_acpi.p_dev->dev, - NULL, - &toshiba_backlight_data); + &toshiba_acpi.p_dev->dev, + NULL, + &toshiba_backlight_data, + &props); if (IS_ERR(toshiba_backlight_device)) { ret = PTR_ERR(toshiba_backlight_device); @@ -986,7 +989,6 @@ static int __init toshiba_acpi_init(void) toshiba_acpi_exit(); return ret; } - toshiba_backlight_device->props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1; /* Register rfkill switch for Bluetooth */ if (hci_get_bt_present(&bt_present) == HCI_SUCCESS && bt_present) { diff --git a/drivers/staging/samsung-laptop/samsung-laptop.c b/drivers/staging/samsung-laptop/samsung-laptop.c index dd7ea4c075db..eb44b60e1eb5 100644 --- a/drivers/staging/samsung-laptop/samsung-laptop.c +++ b/drivers/staging/samsung-laptop/samsung-laptop.c @@ -394,6 +394,7 @@ MODULE_DEVICE_TABLE(dmi, samsung_dmi_table); static int __init samsung_init(void) { + struct backlight_properties props; struct sabi_retval sretval; const char *testStr = "SECLINUX"; void __iomem *memcheck; @@ -486,12 +487,14 @@ static int __init samsung_init(void) goto error_no_platform; /* create a backlight device to talk to this one */ + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = MAX_BRIGHT; backlight_device = backlight_device_register("samsung", &sdev->dev, - NULL, &backlight_ops); + NULL, &backlight_ops, + &props); if (IS_ERR(backlight_device)) goto error_no_backlight; - backlight_device->props.max_brightness = MAX_BRIGHT; backlight_device->props.brightness = read_brightness(); backlight_device->props.power = FB_BLANK_UNBLANK; backlight_update_status(backlight_device); diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 4d2952f1fb13..3adab041355a 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -202,6 +202,7 @@ static void appledisplay_work(struct work_struct *work) static int appledisplay_probe(struct usb_interface *iface, const struct usb_device_id *id) { + struct backlight_properties props; struct appledisplay *pdata; struct usb_device *udev = interface_to_usbdev(iface); struct usb_host_interface *iface_desc; @@ -279,16 +280,16 @@ static int appledisplay_probe(struct usb_interface *iface, /* Register backlight device */ snprintf(bl_name, sizeof(bl_name), "appledisplay%d", atomic_inc_return(&count_displays) - 1); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 0xff; pdata->bd = backlight_device_register(bl_name, NULL, pdata, - &appledisplay_bl_data); + &appledisplay_bl_data, &props); if (IS_ERR(pdata->bd)) { dev_err(&iface->dev, "Backlight registration failed\n"); retval = PTR_ERR(pdata->bd); goto error; } - pdata->bd->props.max_brightness = 0xff; - /* Try to get brightness */ brightness = appledisplay_bl_get_brightness(pdata->bd); diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 3d886c6902f9..11de3bfd4e54 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -117,6 +117,7 @@ static struct backlight_ops atmel_lcdc_bl_ops = { static void init_backlight(struct atmel_lcdfb_info *sinfo) { + struct backlight_properties props; struct backlight_device *bl; sinfo->bl_power = FB_BLANK_UNBLANK; @@ -124,8 +125,10 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo) if (sinfo->backlight) return; - bl = backlight_device_register("backlight", &sinfo->pdev->dev, - sinfo, &atmel_lcdc_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 0xff; + bl = backlight_device_register("backlight", &sinfo->pdev->dev, sinfo, + &atmel_lcdc_bl_ops, &props); if (IS_ERR(bl)) { dev_err(&sinfo->pdev->dev, "error %ld on backlight register\n", PTR_ERR(bl)); @@ -135,7 +138,6 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo) bl->props.power = FB_BLANK_UNBLANK; bl->props.fb_blank = FB_BLANK_UNBLANK; - bl->props.max_brightness = 0xff; bl->props.brightness = atmel_bl_get_brightness(bl); } diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index 9ee67d6da710..a489be0c4614 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -1802,6 +1802,7 @@ static void aty128_bl_set_power(struct fb_info *info, int power) static void aty128_bl_init(struct aty128fb_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pdev); struct backlight_device *bd; char name[12]; @@ -1817,7 +1818,10 @@ static void aty128_bl_init(struct aty128fb_par *par) snprintf(name, sizeof(name), "aty128bl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &aty128_bl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &aty128_bl_data, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "aty128: Backlight registration failed\n"); @@ -1829,7 +1833,6 @@ static void aty128_bl_init(struct aty128fb_par *par) 63 * FB_BACKLIGHT_MAX / MAX_LEVEL, 219 * FB_BACKLIGHT_MAX / MAX_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index e45ab8db2ddc..29d72851f85b 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -2232,6 +2232,7 @@ static struct backlight_ops aty_bl_data = { static void aty_bl_init(struct atyfb_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pdev); struct backlight_device *bd; char name[12]; @@ -2243,7 +2244,10 @@ static void aty_bl_init(struct atyfb_par *par) snprintf(name, sizeof(name), "atybl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &aty_bl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &aty_bl_data, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "aty: Backlight registration failed\n"); @@ -2255,7 +2259,6 @@ static void aty_bl_init(struct atyfb_par *par) 0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL, 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c index fa1198c4ccc5..9fc8c66be3ce 100644 --- a/drivers/video/aty/radeon_backlight.c +++ b/drivers/video/aty/radeon_backlight.c @@ -134,6 +134,7 @@ static struct backlight_ops radeon_bl_data = { void radeonfb_bl_init(struct radeonfb_info *rinfo) { + struct backlight_properties props; struct backlight_device *bd; struct radeon_bl_privdata *pdata; char name[12]; @@ -155,7 +156,10 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo) snprintf(name, sizeof(name), "radeonbl%d", rinfo->info->node); - bd = backlight_device_register(name, rinfo->info->dev, pdata, &radeon_bl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, rinfo->info->dev, pdata, + &radeon_bl_data, &props); if (IS_ERR(bd)) { rinfo->info->bl_dev = NULL; printk("radeonfb: Backlight registration failed\n"); @@ -185,7 +189,6 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo) 63 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL, 217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c index b8f705cca438..93e25c77aeb2 100644 --- a/drivers/video/backlight/88pm860x_bl.c +++ b/drivers/video/backlight/88pm860x_bl.c @@ -187,6 +187,7 @@ static int pm860x_backlight_probe(struct platform_device *pdev) struct pm860x_backlight_data *data; struct backlight_device *bl; struct resource *res; + struct backlight_properties props; unsigned char value; char name[MFD_NAME_SIZE]; int ret; @@ -223,14 +224,15 @@ static int pm860x_backlight_probe(struct platform_device *pdev) return -EINVAL; } + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = MAX_BRIGHTNESS; bl = backlight_device_register(name, &pdev->dev, data, - &pm860x_backlight_ops); + &pm860x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = MAX_BRIGHTNESS; bl->props.brightness = MAX_BRIGHTNESS; platform_set_drvdata(pdev, bl); diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 0c77fc610212..c025c84601b0 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -31,6 +31,13 @@ config LCD_CORGI Say y here to support the LCD panels usually found on SHARP corgi (C7x0) and spitz (Cxx00) models. +config LCD_L4F00242T03 + tristate "Epson L4F00242T03 LCD" + depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO + help + SPI driver for Epson L4F00242T03. This provides basic support + for init and powering the LCD up/down through a sysfs interface. + config LCD_LMS283GF05 tristate "Samsung LMS283GF05 LCD" depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 6c704d41462d..09d1f14d6257 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -3,6 +3,7 @@ obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o obj-$(CONFIG_LCD_CORGI) += corgi_lcd.o obj-$(CONFIG_LCD_HP700) += jornada720_lcd.o +obj-$(CONFIG_LCD_L4F00242T03) += l4f00242t03.o obj-$(CONFIG_LCD_LMS283GF05) += lms283gf05.o obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o obj-$(CONFIG_LCD_ILI9320) += ili9320.o diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index 86d95c228adb..5183f0e4d314 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -278,6 +278,7 @@ static const struct attribute_group adp5520_bl_attr_group = { static int __devinit adp5520_bl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *bl; struct adp5520_bl *data; int ret = 0; @@ -300,17 +301,17 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev) mutex_init(&data->lock); - bl = backlight_device_register(pdev->name, data->master, - data, &adp5520_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = ADP5020_MAX_BRIGHTNESS; + bl = backlight_device_register(pdev->name, data->master, data, + &adp5520_bl_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = - bl->props.brightness = ADP5020_MAX_BRIGHTNESS; - + bl->props.brightness = ADP5020_MAX_BRIGHTNESS; if (data->pdata->en_ambl_sens) ret = sysfs_create_group(&bl->dev.kobj, &adp5520_bl_attr_group); diff --git a/drivers/video/backlight/adx_bl.c b/drivers/video/backlight/adx_bl.c index d769b0bab21a..b0624b983889 100644 --- a/drivers/video/backlight/adx_bl.c +++ b/drivers/video/backlight/adx_bl.c @@ -56,7 +56,7 @@ static int adx_backlight_get_brightness(struct backlight_device *bldev) return brightness & 0xff; } -static int adx_backlight_check_fb(struct fb_info *fb) +static int adx_backlight_check_fb(struct backlight_device *bldev, struct fb_info *fb) { return 1; } @@ -70,6 +70,7 @@ static const struct backlight_ops adx_backlight_ops = { static int __devinit adx_backlight_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *bldev; struct resource *res; struct adxbl *bl; @@ -101,14 +102,15 @@ static int __devinit adx_backlight_probe(struct platform_device *pdev) goto out; } - bldev = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, bl, - &adx_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 0xff; + bldev = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, + bl, &adx_backlight_ops, &props); if (!bldev) { ret = -ENOMEM; goto out; } - bldev->props.max_brightness = 0xff; bldev->props.brightness = 0xff; bldev->props.power = FB_BLANK_UNBLANK; diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c index f625ffc69ad3..2d9760551a4b 100644 --- a/drivers/video/backlight/atmel-pwm-bl.c +++ b/drivers/video/backlight/atmel-pwm-bl.c @@ -120,6 +120,7 @@ static const struct backlight_ops atmel_pwm_bl_ops = { static int atmel_pwm_bl_probe(struct platform_device *pdev) { + struct backlight_properties props; const struct atmel_pwm_bl_platform_data *pdata; struct backlight_device *bldev; struct atmel_pwm_bl *pwmbl; @@ -165,8 +166,10 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) goto err_free_gpio; } - bldev = backlight_device_register("atmel-pwm-bl", - &pdev->dev, pwmbl, &atmel_pwm_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min; + bldev = backlight_device_register("atmel-pwm-bl", &pdev->dev, pwmbl, + &atmel_pwm_bl_ops, &props); if (IS_ERR(bldev)) { retval = PTR_ERR(bldev); goto err_free_gpio; @@ -178,7 +181,6 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev) /* Power up the backlight by default at middle intesity. */ bldev->props.power = FB_BLANK_UNBLANK; - bldev->props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min; bldev->props.brightness = bldev->props.max_brightness / 2; retval = atmel_pwm_bl_init_pwm(pwmbl); diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index 18829cf68b1b..68bb838b9f11 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -38,7 +38,7 @@ static int fb_notifier_callback(struct notifier_block *self, mutex_lock(&bd->ops_lock); if (bd->ops) if (!bd->ops->check_fb || - bd->ops->check_fb(evdata->info)) { + bd->ops->check_fb(bd, evdata->info)) { bd->props.fb_blank = *(int *)evdata->data; if (bd->props.fb_blank == FB_BLANK_UNBLANK) bd->props.state &= ~BL_CORE_FBBLANK; @@ -269,7 +269,8 @@ EXPORT_SYMBOL(backlight_force_update); * ERR_PTR() or a pointer to the newly allocated device. */ struct backlight_device *backlight_device_register(const char *name, - struct device *parent, void *devdata, const struct backlight_ops *ops) + struct device *parent, void *devdata, const struct backlight_ops *ops, + const struct backlight_properties *props) { struct backlight_device *new_bd; int rc; @@ -289,6 +290,11 @@ struct backlight_device *backlight_device_register(const char *name, dev_set_name(&new_bd->dev, name); dev_set_drvdata(&new_bd->dev, devdata); + /* Set default properties */ + if (props) + memcpy(&new_bd->props, props, + sizeof(struct backlight_properties)); + rc = device_register(&new_bd->dev); if (rc) { kfree(new_bd); diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index b4bcf8043797..73bdd8454c94 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -533,6 +533,7 @@ err_free_backlight_on: static int __devinit corgi_lcd_probe(struct spi_device *spi) { + struct backlight_properties props; struct corgi_lcd_platform_data *pdata = spi->dev.platform_data; struct corgi_lcd *lcd; int ret = 0; @@ -559,13 +560,14 @@ static int __devinit corgi_lcd_probe(struct spi_device *spi) lcd->power = FB_BLANK_POWERDOWN; lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA; - lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, - lcd, &corgi_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = pdata->max_intensity; + lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, lcd, + &corgi_bl_ops, &props); if (IS_ERR(lcd->bl_dev)) { ret = PTR_ERR(lcd->bl_dev); goto err_unregister_lcd; } - lcd->bl_dev->props.max_brightness = pdata->max_intensity; lcd->bl_dev->props.brightness = pdata->default_intensity; lcd->bl_dev->props.power = FB_BLANK_UNBLANK; diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c index da86db4374a0..1cce6031bff2 100644 --- a/drivers/video/backlight/cr_bllcd.c +++ b/drivers/video/backlight/cr_bllcd.c @@ -170,6 +170,7 @@ static struct lcd_ops cr_lcd_ops = { static int cr_backlight_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *bdp; struct lcd_device *ldp; struct cr_panel *crp; @@ -190,8 +191,9 @@ static int cr_backlight_probe(struct platform_device *pdev) return -ENODEV; } - bdp = backlight_device_register("cr-backlight", - &pdev->dev, NULL, &cr_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + bdp = backlight_device_register("cr-backlight", &pdev->dev, NULL, + &cr_backlight_ops, &props); if (IS_ERR(bdp)) { pci_dev_put(lpc_dev); return PTR_ERR(bdp); @@ -220,9 +222,7 @@ static int cr_backlight_probe(struct platform_device *pdev) crp->cr_lcd_device = ldp; crp->cr_backlight_device->props.power = FB_BLANK_UNBLANK; crp->cr_backlight_device->props.brightness = 0; - crp->cr_backlight_device->props.max_brightness = 0; cr_backlight_set_intensity(crp->cr_backlight_device); - cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_UNBLANK); platform_set_drvdata(pdev, crp); diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c index 74cdc640173d..686e4a789238 100644 --- a/drivers/video/backlight/da903x_bl.c +++ b/drivers/video/backlight/da903x_bl.c @@ -105,6 +105,7 @@ static int da903x_backlight_probe(struct platform_device *pdev) struct da9034_backlight_pdata *pdata = pdev->dev.platform_data; struct da903x_backlight_data *data; struct backlight_device *bl; + struct backlight_properties props; int max_brightness; data = kzalloc(sizeof(*data), GFP_KERNEL); @@ -134,15 +135,15 @@ static int da903x_backlight_probe(struct platform_device *pdev) da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2, DA9034_WLED_ISET(pdata->output_current)); - bl = backlight_device_register(pdev->name, data->da903x_dev, - data, &da903x_backlight_ops); + props.max_brightness = max_brightness; + bl = backlight_device_register(pdev->name, data->da903x_dev, data, + &da903x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = max_brightness; bl->props.brightness = max_brightness; platform_set_drvdata(pdev, bl); diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c index e6d348e63596..312ca619735d 100644 --- a/drivers/video/backlight/generic_bl.c +++ b/drivers/video/backlight/generic_bl.c @@ -78,6 +78,7 @@ static const struct backlight_ops genericbl_ops = { static int genericbl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct generic_bl_info *machinfo = pdev->dev.platform_data; const char *name = "generic-bl"; struct backlight_device *bd; @@ -89,14 +90,15 @@ static int genericbl_probe(struct platform_device *pdev) if (machinfo->name) name = machinfo->name; - bd = backlight_device_register (name, - &pdev->dev, NULL, &genericbl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = machinfo->max_intensity; + bd = backlight_device_register(name, &pdev->dev, NULL, &genericbl_ops, + &props); if (IS_ERR (bd)) return PTR_ERR (bd); platform_set_drvdata(pdev, bd); - bd->props.max_brightness = machinfo->max_intensity; bd->props.power = FB_BLANK_UNBLANK; bd->props.brightness = machinfo->default_intensity; backlight_update_status(bd); diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c index f7cc528d5be7..267d23f8d645 100644 --- a/drivers/video/backlight/hp680_bl.c +++ b/drivers/video/backlight/hp680_bl.c @@ -105,16 +105,18 @@ static const struct backlight_ops hp680bl_ops = { static int __devinit hp680bl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *bd; - bd = backlight_device_register ("hp680-bl", &pdev->dev, NULL, - &hp680bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = HP680_MAX_INTENSITY; + bd = backlight_device_register("hp680-bl", &pdev->dev, NULL, + &hp680bl_ops, &props); if (IS_ERR(bd)) return PTR_ERR(bd); platform_set_drvdata(pdev, bd); - bd->props.max_brightness = HP680_MAX_INTENSITY; bd->props.brightness = HP680_DEFAULT_INTENSITY; hp680bl_send_intensity(bd); diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c index db9071fc5665..2f177b3a4885 100644 --- a/drivers/video/backlight/jornada720_bl.c +++ b/drivers/video/backlight/jornada720_bl.c @@ -101,10 +101,14 @@ static const struct backlight_ops jornada_bl_ops = { static int jornada_bl_probe(struct platform_device *pdev) { + struct backlight_properties props; int ret; struct backlight_device *bd; - bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL, &jornada_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = BL_MAX_BRIGHT; + bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL, + &jornada_bl_ops, &props); if (IS_ERR(bd)) { ret = PTR_ERR(bd); @@ -117,7 +121,6 @@ static int jornada_bl_probe(struct platform_device *pdev) /* note. make sure max brightness is set otherwise you will get seemingly non-related errors when trying to change brightness */ - bd->props.max_brightness = BL_MAX_BRIGHT; jornada_bl_update_status(bd); platform_set_drvdata(pdev, bd); diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c index 939e7b830cf3..f439a8632287 100644 --- a/drivers/video/backlight/kb3886_bl.c +++ b/drivers/video/backlight/kb3886_bl.c @@ -141,20 +141,24 @@ static const struct backlight_ops kb3886bl_ops = { static int kb3886bl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data; bl_machinfo = machinfo; if (!machinfo->limit_mask) machinfo->limit_mask = -1; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = machinfo->max_intensity; kb3886_backlight_device = backlight_device_register("kb3886-bl", - &pdev->dev, NULL, &kb3886bl_ops); + &pdev->dev, NULL, + &kb3886bl_ops, + &props); if (IS_ERR(kb3886_backlight_device)) return PTR_ERR(kb3886_backlight_device); platform_set_drvdata(pdev, kb3886_backlight_device); - kb3886_backlight_device->props.max_brightness = machinfo->max_intensity; kb3886_backlight_device->props.power = FB_BLANK_UNBLANK; kb3886_backlight_device->props.brightness = machinfo->default_intensity; backlight_update_status(kb3886_backlight_device); diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c new file mode 100644 index 000000000000..74abd6994b09 --- /dev/null +++ b/drivers/video/backlight/l4f00242t03.c @@ -0,0 +1,257 @@ +/* + * l4f00242t03.c -- support for Epson L4F00242T03 LCD + * + * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * + * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> + * Inspired by Marek Vasut work in l4f00242t03.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/device.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/lcd.h> +#include <linux/regulator/consumer.h> + +#include <linux/spi/spi.h> +#include <linux/spi/l4f00242t03.h> + +struct l4f00242t03_priv { + struct spi_device *spi; + struct lcd_device *ld; + int lcd_on:1; + struct regulator *io_reg; + struct regulator *core_reg; +}; + + +static void l4f00242t03_reset(unsigned int gpio) +{ + pr_debug("l4f00242t03_reset.\n"); + gpio_set_value(gpio, 1); + mdelay(100); + gpio_set_value(gpio, 0); + mdelay(10); /* tRES >= 100us */ + gpio_set_value(gpio, 1); + mdelay(20); +} + +#define param(x) ((x) | 0x100) + +static void l4f00242t03_lcd_init(struct spi_device *spi) +{ + struct l4f00242t03_pdata *pdata = spi->dev.platform_data; + struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); + const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) }; + + dev_dbg(&spi->dev, "initializing LCD\n"); + + if (priv->io_reg) { + regulator_set_voltage(priv->io_reg, 1800000, 1800000); + regulator_enable(priv->io_reg); + } + + if (priv->core_reg) { + regulator_set_voltage(priv->core_reg, 2800000, 2800000); + regulator_enable(priv->core_reg); + } + + gpio_set_value(pdata->data_enable_gpio, 1); + msleep(60); + spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16)); +} + +static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power) +{ + struct l4f00242t03_priv *priv = lcd_get_data(ld); + struct spi_device *spi = priv->spi; + + const u16 slpout = 0x11; + const u16 dison = 0x29; + + const u16 slpin = 0x10; + const u16 disoff = 0x28; + + if (power) { + if (priv->lcd_on) + return 0; + + dev_dbg(&spi->dev, "turning on LCD\n"); + + spi_write(spi, (const u8 *)&slpout, sizeof(u16)); + msleep(60); + spi_write(spi, (const u8 *)&dison, sizeof(u16)); + + priv->lcd_on = 1; + } else { + if (!priv->lcd_on) + return 0; + + dev_dbg(&spi->dev, "turning off LCD\n"); + + spi_write(spi, (const u8 *)&disoff, sizeof(u16)); + msleep(60); + spi_write(spi, (const u8 *)&slpin, sizeof(u16)); + + priv->lcd_on = 0; + } + + return 0; +} + +static struct lcd_ops l4f_ops = { + .set_power = l4f00242t03_lcd_power_set, + .get_power = NULL, +}; + +static int __devinit l4f00242t03_probe(struct spi_device *spi) +{ + struct l4f00242t03_priv *priv; + struct l4f00242t03_pdata *pdata = spi->dev.platform_data; + int ret; + + if (pdata == NULL) { + dev_err(&spi->dev, "Uninitialized platform data.\n"); + return -EINVAL; + } + + priv = kzalloc(sizeof(struct l4f00242t03_priv), GFP_KERNEL); + + if (priv == NULL) { + dev_err(&spi->dev, "No memory for this device.\n"); + ret = -ENOMEM; + goto err; + } + + dev_set_drvdata(&spi->dev, priv); + spi->bits_per_word = 9; + spi_setup(spi); + + priv->spi = spi; + + ret = gpio_request(pdata->reset_gpio, "lcd l4f00242t03 reset"); + if (ret) { + dev_err(&spi->dev, + "Unable to get the lcd l4f00242t03 reset gpio.\n"); + return ret; + } + + ret = gpio_direction_output(pdata->reset_gpio, 1); + if (ret) + goto err2; + + ret = gpio_request(pdata->data_enable_gpio, + "lcd l4f00242t03 data enable"); + if (ret) { + dev_err(&spi->dev, + "Unable to get the lcd l4f00242t03 data en gpio.\n"); + return ret; + } + + ret = gpio_direction_output(pdata->data_enable_gpio, 0); + if (ret) + goto err3; + + if (pdata->io_supply) { + priv->io_reg = regulator_get(NULL, pdata->io_supply); + + if (IS_ERR(priv->io_reg)) { + pr_err("%s: Unable to get the IO regulator\n", + __func__); + goto err3; + } + } + + if (pdata->core_supply) { + priv->core_reg = regulator_get(NULL, pdata->core_supply); + + if (IS_ERR(priv->core_reg)) { + pr_err("%s: Unable to get the core regulator\n", + __func__); + goto err4; + } + } + + priv->ld = lcd_device_register("l4f00242t03", + &spi->dev, priv, &l4f_ops); + if (IS_ERR(priv->ld)) { + ret = PTR_ERR(priv->ld); + goto err5; + } + + /* Init the LCD */ + l4f00242t03_reset(pdata->reset_gpio); + l4f00242t03_lcd_init(spi); + l4f00242t03_lcd_power_set(priv->ld, 1); + + dev_info(&spi->dev, "Epson l4f00242t03 lcd probed.\n"); + + return 0; + +err5: + if (priv->core_reg) + regulator_put(priv->core_reg); +err4: + if (priv->io_reg) + regulator_put(priv->io_reg); +err3: + gpio_free(pdata->data_enable_gpio); +err2: + gpio_free(pdata->reset_gpio); +err: + kfree(priv); + + return ret; +} + +static int __devexit l4f00242t03_remove(struct spi_device *spi) +{ + struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev); + struct l4f00242t03_pdata *pdata = priv->spi->dev.platform_data; + + l4f00242t03_lcd_power_set(priv->ld, 0); + lcd_device_unregister(priv->ld); + + gpio_free(pdata->data_enable_gpio); + gpio_free(pdata->reset_gpio); + + if (priv->io_reg) + regulator_put(priv->core_reg); + if (priv->core_reg) + regulator_put(priv->io_reg); + + kfree(priv); + + return 0; +} + +static struct spi_driver l4f00242t03_driver = { + .driver = { + .name = "l4f00242t03", + .owner = THIS_MODULE, + }, + .probe = l4f00242t03_probe, + .remove = __devexit_p(l4f00242t03_remove), +}; + +static __init int l4f00242t03_init(void) +{ + return spi_register_driver(&l4f00242t03_driver); +} + +static __exit void l4f00242t03_exit(void) +{ + spi_unregister_driver(&l4f00242t03_driver); +} + +module_init(l4f00242t03_init); +module_exit(l4f00242t03_exit); + +MODULE_AUTHOR("Alberto Panizzo <maramaopercheseimorto@gmail.com>"); +MODULE_DESCRIPTION("EPSON L4F00242T03 LCD"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c index 00a9591b0003..7571bc26071e 100644 --- a/drivers/video/backlight/locomolcd.c +++ b/drivers/video/backlight/locomolcd.c @@ -167,6 +167,7 @@ static int locomolcd_resume(struct locomo_dev *dev) static int locomolcd_probe(struct locomo_dev *ldev) { + struct backlight_properties props; unsigned long flags; local_irq_save(flags); @@ -182,13 +183,16 @@ static int locomolcd_probe(struct locomo_dev *ldev) local_irq_restore(flags); - locomolcd_bl_device = backlight_device_register("locomo-bl", &ldev->dev, NULL, &locomobl_data); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 4; + locomolcd_bl_device = backlight_device_register("locomo-bl", + &ldev->dev, NULL, + &locomobl_data, &props); if (IS_ERR (locomolcd_bl_device)) return PTR_ERR (locomolcd_bl_device); /* Set up frontlight so that screen is readable */ - locomolcd_bl_device->props.max_brightness = 4, locomolcd_bl_device->props.brightness = 2; locomolcd_set_intensity(locomolcd_bl_device); diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c index c267069a52a3..c91adaf492cf 100644 --- a/drivers/video/backlight/max8925_bl.c +++ b/drivers/video/backlight/max8925_bl.c @@ -104,6 +104,7 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev) struct max8925_backlight_pdata *pdata = NULL; struct max8925_backlight_data *data; struct backlight_device *bl; + struct backlight_properties props; struct resource *res; char name[MAX8925_NAME_SIZE]; unsigned char value; @@ -133,14 +134,15 @@ static int __devinit max8925_backlight_probe(struct platform_device *pdev) data->chip = chip; data->current_brightness = 0; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = MAX_BRIGHTNESS; bl = backlight_device_register(name, &pdev->dev, data, - &max8925_backlight_ops); + &max8925_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = MAX_BRIGHTNESS; bl->props.brightness = MAX_BRIGHTNESS; platform_set_drvdata(pdev, bl); diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c index 2e78b0784bdc..1b5d3fe6bbbc 100644 --- a/drivers/video/backlight/mbp_nvidia_bl.c +++ b/drivers/video/backlight/mbp_nvidia_bl.c @@ -139,6 +139,51 @@ static int mbp_dmi_match(const struct dmi_system_id *id) static const struct dmi_system_id __initdata mbp_device_table[] = { { .callback = mbp_dmi_match, + .ident = "MacBook 1,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 2,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 3,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook3,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 4,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 4,2", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4,2"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, .ident = "MacBookPro 3,1", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), @@ -250,6 +295,7 @@ static const struct dmi_system_id __initdata mbp_device_table[] = { static int __init mbp_init(void) { + struct backlight_properties props; if (!dmi_check_system(mbp_device_table)) return -ENODEV; @@ -257,14 +303,17 @@ static int __init mbp_init(void) "Macbook Pro backlight")) return -ENXIO; - mbp_backlight_device = backlight_device_register("mbp_backlight", - NULL, NULL, &driver_data->backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 15; + mbp_backlight_device = backlight_device_register("mbp_backlight", NULL, + NULL, + &driver_data->backlight_ops, + &props); if (IS_ERR(mbp_backlight_device)) { release_region(driver_data->iostart, driver_data->iolen); return PTR_ERR(mbp_backlight_device); } - mbp_backlight_device->props.max_brightness = 15; mbp_backlight_device->props.brightness = driver_data->backlight_ops.get_brightness(mbp_backlight_device); backlight_update_status(mbp_backlight_device); diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c index a3a7f8938175..333d28e6b062 100644 --- a/drivers/video/backlight/omap1_bl.c +++ b/drivers/video/backlight/omap1_bl.c @@ -132,6 +132,7 @@ static const struct backlight_ops omapbl_ops = { static int omapbl_probe(struct platform_device *pdev) { + struct backlight_properties props; struct backlight_device *dev; struct omap_backlight *bl; struct omap_backlight_config *pdata = pdev->dev.platform_data; @@ -143,7 +144,10 @@ static int omapbl_probe(struct platform_device *pdev) if (unlikely(!bl)) return -ENOMEM; - dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = OMAPBL_MAX_INTENSITY; + dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops, + &props); if (IS_ERR(dev)) { kfree(bl); return PTR_ERR(dev); @@ -160,7 +164,6 @@ static int omapbl_probe(struct platform_device *pdev) omap_cfg_reg(PWL); /* Conflicts with UART3 */ dev->props.fb_blank = FB_BLANK_UNBLANK; - dev->props.max_brightness = OMAPBL_MAX_INTENSITY; dev->props.brightness = pdata->default_intensity; omapbl_update_status(dev); diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c index 075786e05034..809278c90738 100644 --- a/drivers/video/backlight/progear_bl.c +++ b/drivers/video/backlight/progear_bl.c @@ -61,8 +61,10 @@ static const struct backlight_ops progearbl_ops = { static int progearbl_probe(struct platform_device *pdev) { + struct backlight_properties props; u8 temp; struct backlight_device *progear_backlight_device; + int ret; pmu_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, NULL); if (!pmu_dev) { @@ -73,28 +75,37 @@ static int progearbl_probe(struct platform_device *pdev) sb_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL); if (!sb_dev) { printk("ALI 1533 SB not found.\n"); - pci_dev_put(pmu_dev); - return -ENODEV; + ret = -ENODEV; + goto put_pmu; } /* Set SB_MPS1 to enable brightness control. */ pci_read_config_byte(sb_dev, SB_MPS1, &temp); pci_write_config_byte(sb_dev, SB_MPS1, temp | 0x20); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; progear_backlight_device = backlight_device_register("progear-bl", &pdev->dev, NULL, - &progearbl_ops); - if (IS_ERR(progear_backlight_device)) - return PTR_ERR(progear_backlight_device); + &progearbl_ops, + &props); + if (IS_ERR(progear_backlight_device)) { + ret = PTR_ERR(progear_backlight_device); + goto put_sb; + } platform_set_drvdata(pdev, progear_backlight_device); progear_backlight_device->props.power = FB_BLANK_UNBLANK; progear_backlight_device->props.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; - progear_backlight_device->props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN; progearbl_set_intensity(progear_backlight_device); return 0; +put_sb: + pci_dev_put(sb_dev); +put_pmu: + pci_dev_put(pmu_dev); + return ret; } static int progearbl_remove(struct platform_device *pdev) diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 9d2ec2a1cce8..b89eebc3f77d 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -65,6 +65,7 @@ static const struct backlight_ops pwm_backlight_ops = { static int pwm_backlight_probe(struct platform_device *pdev) { + struct backlight_properties props; struct platform_pwm_backlight_data *data = pdev->dev.platform_data; struct backlight_device *bl; struct pwm_bl_data *pb; @@ -100,15 +101,16 @@ static int pwm_backlight_probe(struct platform_device *pdev) } else dev_dbg(&pdev->dev, "got pwm for backlight\n"); - bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, - pb, &pwm_backlight_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = data->max_brightness; + bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, pb, + &pwm_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); ret = PTR_ERR(bl); goto err_bl; } - bl->props.max_brightness = data->max_brightness; bl->props.brightness = data->dft_brightness; backlight_update_status(bl); diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c index e14ce4d469f5..f57bbf170049 100644 --- a/drivers/video/backlight/tosa_bl.c +++ b/drivers/video/backlight/tosa_bl.c @@ -80,6 +80,7 @@ static const struct backlight_ops bl_ops = { static int __devinit tosa_bl_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct backlight_properties props; struct tosa_bl_data *data = kzalloc(sizeof(struct tosa_bl_data), GFP_KERNEL); int ret = 0; if (!data) @@ -99,15 +100,16 @@ static int __devinit tosa_bl_probe(struct i2c_client *client, i2c_set_clientdata(client, data); data->i2c = client; - data->bl = backlight_device_register("tosa-bl", &client->dev, - data, &bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 512 - 1; + data->bl = backlight_device_register("tosa-bl", &client->dev, data, + &bl_ops, &props); if (IS_ERR(data->bl)) { ret = PTR_ERR(data->bl); goto err_reg; } data->bl->props.brightness = 69; - data->bl->props.max_brightness = 512 - 1; data->bl->props.power = FB_BLANK_UNBLANK; backlight_update_status(data->bl); diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c index e32add37a203..a4312709fb1b 100644 --- a/drivers/video/backlight/wm831x_bl.c +++ b/drivers/video/backlight/wm831x_bl.c @@ -125,6 +125,7 @@ static int wm831x_backlight_probe(struct platform_device *pdev) struct wm831x_backlight_pdata *pdata; struct wm831x_backlight_data *data; struct backlight_device *bl; + struct backlight_properties props; int ret, i, max_isel, isink_reg, dcdc_cfg; /* We need platform data */ @@ -191,15 +192,15 @@ static int wm831x_backlight_probe(struct platform_device *pdev) data->current_brightness = 0; data->isink_reg = isink_reg; - bl = backlight_device_register("wm831x", &pdev->dev, - data, &wm831x_backlight_ops); + props.max_brightness = max_isel; + bl = backlight_device_register("wm831x", &pdev->dev, data, + &wm831x_backlight_ops, &props); if (IS_ERR(bl)) { dev_err(&pdev->dev, "failed to register backlight\n"); kfree(data); return PTR_ERR(bl); } - bl->props.max_brightness = max_isel; bl->props.brightness = max_isel; platform_set_drvdata(pdev, bl); diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c index 814312a7452f..23b2a8c0dbfc 100644 --- a/drivers/video/bf54x-lq043fb.c +++ b/drivers/video/bf54x-lq043fb.c @@ -433,7 +433,7 @@ static int bl_get_brightness(struct backlight_device *bd) return 0; } -static struct backlight_ops bfin_lq043fb_bl_ops = { +static const struct backlight_ops bfin_lq043fb_bl_ops = { .get_brightness = bl_get_brightness, }; @@ -501,6 +501,7 @@ static irqreturn_t bfin_bf54x_irq_error(int irq, void *dev_id) static int __devinit bfin_bf54x_probe(struct platform_device *pdev) { + struct backlight_properties props; struct bfin_bf54xfb_info *info; struct fb_info *fbinfo; int ret; @@ -645,10 +646,16 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev) goto out8; } #ifndef NO_BL_SUPPORT - bl_dev = - backlight_device_register("bf54x-bl", NULL, NULL, - &bfin_lq043fb_bl_ops); - bl_dev->props.max_brightness = 255; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 255; + bl_dev = backlight_device_register("bf54x-bl", NULL, NULL, + &bfin_lq043fb_bl_ops, &props); + if (IS_ERR(bl_dev)) { + printk(KERN_ERR DRIVER_NAME + ": unable to register backlight.\n"); + ret = -EINVAL; + goto out9; + } lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); @@ -656,6 +663,8 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev) return 0; +out9: + unregister_framebuffer(fbinfo); out8: free_irq(info->irq, info); out7: diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c index 5653d083a983..31a2dec927bb 100644 --- a/drivers/video/bfin-t350mcqb-fb.c +++ b/drivers/video/bfin-t350mcqb-fb.c @@ -352,7 +352,7 @@ static int bl_get_brightness(struct backlight_device *bd) return 0; } -static struct backlight_ops bfin_lq043fb_bl_ops = { +static const struct backlight_ops bfin_lq043fb_bl_ops = { .get_brightness = bl_get_brightness, }; @@ -419,6 +419,7 @@ static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id) static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev) { + struct backlight_properties props; struct bfin_t350mcqbfb_info *info; struct fb_info *fbinfo; int ret; @@ -540,10 +541,16 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev) goto out8; } #ifndef NO_BL_SUPPORT - bl_dev = - backlight_device_register("bf52x-bl", NULL, NULL, - &bfin_lq043fb_bl_ops); - bl_dev->props.max_brightness = 255; + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = 255; + bl_dev = backlight_device_register("bf52x-bl", NULL, NULL, + &bfin_lq043fb_bl_ops, &props); + if (IS_ERR(bl_dev)) { + printk(KERN_ERR DRIVER_NAME + ": unable to register backlight.\n"); + ret = -EINVAL; + goto out9; + } lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops); lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n"); @@ -551,6 +558,8 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev) return 0; +out9: + unregister_framebuffer(fbinfo); out8: free_irq(info->irq, info); out7: diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c index 443e3c85a9a0..2fb552a6f32c 100644 --- a/drivers/video/nvidia/nv_backlight.c +++ b/drivers/video/nvidia/nv_backlight.c @@ -94,6 +94,7 @@ static struct backlight_ops nvidia_bl_ops = { void nvidia_bl_init(struct nvidia_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pci_dev); struct backlight_device *bd; char name[12]; @@ -109,7 +110,10 @@ void nvidia_bl_init(struct nvidia_par *par) snprintf(name, sizeof(name), "nvidiabl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "nvidia: Backlight registration failed\n"); @@ -121,7 +125,6 @@ void nvidia_bl_init(struct nvidia_par *par) 0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL, 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c index fcd6a61a91eb..59769e85d41c 100644 --- a/drivers/video/omap2/displays/panel-taal.c +++ b/drivers/video/omap2/displays/panel-taal.c @@ -486,6 +486,7 @@ static struct attribute_group taal_attr_group = { static int taal_probe(struct omap_dss_device *dssdev) { + struct backlight_properties props; struct taal_data *td; struct backlight_device *bldev; int r; @@ -520,11 +521,16 @@ static int taal_probe(struct omap_dss_device *dssdev) /* if no platform set_backlight() defined, presume DSI backlight * control */ + memset(&props, 0, sizeof(struct backlight_properties)); if (!dssdev->set_backlight) td->use_dsi_bl = true; + if (td->use_dsi_bl) + props.max_brightness = 255; + else + props.max_brightness = 127; bldev = backlight_device_register("taal", &dssdev->dev, dssdev, - &taal_bl_ops); + &taal_bl_ops, &props); if (IS_ERR(bldev)) { r = PTR_ERR(bldev); goto err2; @@ -534,13 +540,10 @@ static int taal_probe(struct omap_dss_device *dssdev) bldev->props.fb_blank = FB_BLANK_UNBLANK; bldev->props.power = FB_BLANK_UNBLANK; - if (td->use_dsi_bl) { - bldev->props.max_brightness = 255; + if (td->use_dsi_bl) bldev->props.brightness = 255; - } else { - bldev->props.max_brightness = 127; + else bldev->props.brightness = 127; - } taal_bl_update_status(bldev); diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c index d94c57ffbdb1..618f36bec10d 100644 --- a/drivers/video/riva/fbdev.c +++ b/drivers/video/riva/fbdev.c @@ -338,6 +338,7 @@ static struct backlight_ops riva_bl_ops = { static void riva_bl_init(struct riva_par *par) { + struct backlight_properties props; struct fb_info *info = pci_get_drvdata(par->pdev); struct backlight_device *bd; char name[12]; @@ -353,7 +354,10 @@ static void riva_bl_init(struct riva_par *par) snprintf(name, sizeof(name), "rivabl%d", info->node); - bd = backlight_device_register(name, info->dev, par, &riva_bl_ops); + memset(&props, 0, sizeof(struct backlight_properties)); + props.max_brightness = FB_BACKLIGHT_LEVELS - 1; + bd = backlight_device_register(name, info->dev, par, &riva_bl_ops, + &props); if (IS_ERR(bd)) { info->bl_dev = NULL; printk(KERN_WARNING "riva: Backlight registration failed\n"); @@ -365,7 +369,6 @@ static void riva_bl_init(struct riva_par *par) MIN_LEVEL * FB_BACKLIGHT_MAX / MAX_LEVEL, FB_BACKLIGHT_MAX); - bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1; bd->props.brightness = bd->props.max_brightness; bd->props.power = FB_BLANK_UNBLANK; backlight_update_status(bd); diff --git a/include/linux/backlight.h b/include/linux/backlight.h index 8c4f884db6b4..4a3d52e545e1 100644 --- a/include/linux/backlight.h +++ b/include/linux/backlight.h @@ -36,18 +36,18 @@ struct backlight_device; struct fb_info; struct backlight_ops { - const unsigned int options; + unsigned int options; #define BL_CORE_SUSPENDRESUME (1 << 0) /* Notify the backlight driver some property has changed */ - int (* const update_status)(struct backlight_device *); + int (*update_status)(struct backlight_device *); /* Return the current backlight brightness (accounting for power, fb_blank etc.) */ - int (* const get_brightness)(struct backlight_device *); + int (*get_brightness)(struct backlight_device *); /* Check if given framebuffer device is the one bound to this backlight; return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */ - int (* const check_fb)(struct fb_info *); + int (*check_fb)(struct backlight_device *, struct fb_info *); }; /* This structure defines all the properties of a backlight */ @@ -103,7 +103,8 @@ static inline void backlight_update_status(struct backlight_device *bd) } extern struct backlight_device *backlight_device_register(const char *name, - struct device *dev, void *devdata, const struct backlight_ops *ops); + struct device *dev, void *devdata, const struct backlight_ops *ops, + const struct backlight_properties *props); extern void backlight_device_unregister(struct backlight_device *bd); extern void backlight_force_update(struct backlight_device *bd, enum backlight_update_reason reason); diff --git a/include/linux/spi/l4f00242t03.h b/include/linux/spi/l4f00242t03.h new file mode 100644 index 000000000000..aee1dbda4edc --- /dev/null +++ b/include/linux/spi/l4f00242t03.h @@ -0,0 +1,31 @@ +/* + * l4f00242t03.h -- Platform glue for Epson L4F00242T03 LCD + * + * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com> + * Based on Marek Vasut work in lms283gf05.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#ifndef _INCLUDE_LINUX_SPI_L4F00242T03_H_ +#define _INCLUDE_LINUX_SPI_L4F00242T03_H_ + +struct l4f00242t03_pdata { + unsigned int reset_gpio; + unsigned int data_enable_gpio; + const char *io_supply; /* will be set to 1.8 V */ + const char *core_supply; /* will be set to 2.8 V */ +}; + +#endif /* _INCLUDE_LINUX_SPI_L4F00242T03_H_ */ |