diff options
Diffstat (limited to 'drivers/acpi/asus_acpi.c')
| -rw-r--r-- | drivers/acpi/asus_acpi.c | 690 |
1 files changed, 344 insertions, 346 deletions
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index a560b1e2da77..fec895af6ae6 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -61,7 +61,7 @@ /* * Some events we use, same for all Asus */ -#define BR_UP 0x10 +#define BR_UP 0x10 #define BR_DOWN 0x20 /* @@ -75,7 +75,6 @@ MODULE_AUTHOR("Julien Lerouge, Karol Kozimor"); MODULE_DESCRIPTION(ACPI_HOTK_NAME); MODULE_LICENSE("GPL"); - static uid_t asus_uid; static gid_t asus_gid; module_param(asus_uid, uint, 0); @@ -83,26 +82,25 @@ MODULE_PARM_DESC(uid, "UID for entries in /proc/acpi/asus.\n"); module_param(asus_gid, uint, 0); MODULE_PARM_DESC(gid, "GID for entries in /proc/acpi/asus.\n"); - /* For each model, all features implemented, * those marked with R are relative to HOTK, A for absolute */ struct model_data { - char *name; //name of the laptop________________A - char *mt_mled; //method to handle mled_____________R - char *mled_status; //node to handle mled reading_______A - char *mt_wled; //method to handle wled_____________R - char *wled_status; //node to handle wled reading_______A - char *mt_tled; //method to handle tled_____________R - char *tled_status; //node to handle tled reading_______A - char *mt_lcd_switch; //method to turn LCD ON/OFF_________A - char *lcd_status; //node to read LCD panel state______A - char *brightness_up; //method to set brightness up_______A - char *brightness_down; //guess what ?______________________A - char *brightness_set; //method to set absolute brightness_R - char *brightness_get; //method to get absolute brightness_R - char *brightness_status; //node to get brightness____________A - char *display_set; //method to set video output________R - char *display_get; //method to get video output________R + char *name; //name of the laptop________________A + char *mt_mled; //method to handle mled_____________R + char *mled_status; //node to handle mled reading_______A + char *mt_wled; //method to handle wled_____________R + char *wled_status; //node to handle wled reading_______A + char *mt_tled; //method to handle tled_____________R + char *tled_status; //node to handle tled reading_______A + char *mt_lcd_switch; //method to turn LCD ON/OFF_________A + char *lcd_status; //node to read LCD panel state______A + char *brightness_up; //method to set brightness up_______A + char *brightness_down; //guess what ?______________________A + char *brightness_set; //method to set absolute brightness_R + char *brightness_get; //method to get absolute brightness_R + char *brightness_status; //node to get brightness____________A + char *display_set; //method to set video output________R + char *display_get; //method to get video output________R }; /* @@ -110,34 +108,34 @@ struct model_data { * about the hotk device */ struct asus_hotk { - struct acpi_device *device; //the device we are in - acpi_handle handle; //the handle of the hotk device - char status; //status of the hotk, for LEDs, ... - struct model_data *methods; //methods available on the laptop - u8 brightness; //brightness level + struct acpi_device *device; //the device we are in + acpi_handle handle; //the handle of the hotk device + char status; //status of the hotk, for LEDs, ... + struct model_data *methods; //methods available on the laptop + u8 brightness; //brightness level enum { - A1x = 0, //A1340D, A1300F - A2x, //A2500H - D1x, //D1 - L2D, //L2000D - L3C, //L3800C - L3D, //L3400D - L3H, //L3H, but also L2000E - L4R, //L4500R - L5x, //L5800C - L8L, //L8400L - M1A, //M1300A - M2E, //M2400E, L4400L - M6N, //M6800N - M6R, //M6700R - P30, //Samsung P30 - S1x, //S1300A, but also L1400B and M2400A (L84F) - S2x, //S200 (J1 reported), Victor MP-XP7210 - xxN, //M2400N, M3700N, M5200N, S1300N, S5200N, W1OOON - //(Centrino) + A1x = 0, //A1340D, A1300F + A2x, //A2500H + D1x, //D1 + L2D, //L2000D + L3C, //L3800C + L3D, //L3400D + L3H, //L3H, but also L2000E + L4R, //L4500R + L5x, //L5800C + L8L, //L8400L + M1A, //M1300A + M2E, //M2400E, L4400L + M6N, //M6800N + M6R, //M6700R + P30, //Samsung P30 + S1x, //S1300A, but also L1400B and M2400A (L84F) + S2x, //S200 (J1 reported), Victor MP-XP7210 + xxN, //M2400N, M3700N, M5200N, S1300N, S5200N, W1OOON + //(Centrino) END_MODEL - } model; //Models currently supported - u16 event_count[128]; //count for each event TODO make this better + } model; //Models currently supported + u16 event_count[128]; //count for each event TODO make this better }; /* Here we go */ @@ -150,7 +148,7 @@ struct asus_hotk { #define xxN_PREFIX "\\_SB.PCI0.SBRG.EC0." static struct model_data model_conf[END_MODEL] = { - /* + /* * Those pathnames are relative to the HOTK / ATKD device : * - mt_mled * - mt_wled @@ -165,215 +163,197 @@ static struct model_data model_conf[END_MODEL] = { */ { - .name = "A1x", - .mt_mled = "MLED", - .mled_status = "\\MAIL", - .mt_lcd_switch = A1x_PREFIX "_Q10", - .lcd_status = "\\BKLI", - .brightness_up = A1x_PREFIX "_Q0E", - .brightness_down = A1x_PREFIX "_Q0F" - }, + .name = "A1x", + .mt_mled = "MLED", + .mled_status = "\\MAIL", + .mt_lcd_switch = A1x_PREFIX "_Q10", + .lcd_status = "\\BKLI", + .brightness_up = A1x_PREFIX "_Q0E", + .brightness_down = A1x_PREFIX "_Q0F"}, { - .name = "A2x", - .mt_mled = "MLED", - .mt_wled = "WLED", - .wled_status = "\\SG66", - .mt_lcd_switch = "\\Q10", - .lcd_status = "\\BAOF", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\INFB" - }, + .name = "A2x", + .mt_mled = "MLED", + .mt_wled = "WLED", + .wled_status = "\\SG66", + .mt_lcd_switch = "\\Q10", + .lcd_status = "\\BAOF", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\INFB"}, { - .name = "D1x", - .mt_mled = "MLED", - .mt_lcd_switch = "\\Q0D", - .lcd_status = "\\GP11", - .brightness_up = "\\Q0C", - .brightness_down = "\\Q0B", - .brightness_status = "\\BLVL", - .display_set = "SDSP", - .display_get = "\\INFB" - }, + .name = "D1x", + .mt_mled = "MLED", + .mt_lcd_switch = "\\Q0D", + .lcd_status = "\\GP11", + .brightness_up = "\\Q0C", + .brightness_down = "\\Q0B", + .brightness_status = "\\BLVL", + .display_set = "SDSP", + .display_get = "\\INFB"}, { - .name = "L2D", - .mt_mled = "MLED", - .mled_status = "\\SGP6", - .mt_wled = "WLED", - .wled_status = "\\RCP3", - .mt_lcd_switch = "\\Q10", - .lcd_status = "\\SGP0", - .brightness_up = "\\Q0E", - .brightness_down = "\\Q0F", - .display_set = "SDSP", - .display_get = "\\INFB" - }, + .name = "L2D", + .mt_mled = "MLED", + .mled_status = "\\SGP6", + .mt_wled = "WLED", + .wled_status = "\\RCP3", + .mt_lcd_switch = "\\Q10", + .lcd_status = "\\SGP0", + .brightness_up = "\\Q0E", + .brightness_down = "\\Q0F", + .display_set = "SDSP", + .display_get = "\\INFB"}, { - .name = "L3C", - .mt_mled = "MLED", - .mt_wled = "WLED", - .mt_lcd_switch = L3C_PREFIX "_Q10", - .lcd_status = "\\GL32", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\_SB.PCI0.PCI1.VGAC.NMAP" - }, + .name = "L3C", + .mt_mled = "MLED", + .mt_wled = "WLED", + .mt_lcd_switch = L3C_PREFIX "_Q10", + .lcd_status = "\\GL32", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\_SB.PCI0.PCI1.VGAC.NMAP"}, { - .name = "L3D", - .mt_mled = "MLED", - .mled_status = "\\MALD", - .mt_wled = "WLED", - .mt_lcd_switch = "\\Q10", - .lcd_status = "\\BKLG", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\INFB" - }, + .name = "L3D", + .mt_mled = "MLED", + .mled_status = "\\MALD", + .mt_wled = "WLED", + .mt_lcd_switch = "\\Q10", + .lcd_status = "\\BKLG", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\INFB"}, { - .name = "L3H", - .mt_mled = "MLED", - .mt_wled = "WLED", - .mt_lcd_switch = "EHK", - .lcd_status = "\\_SB.PCI0.PM.PBC", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\INFB" - }, + .name = "L3H", + .mt_mled = "MLED", + .mt_wled = "WLED", + .mt_lcd_switch = "EHK", + .lcd_status = "\\_SB.PCI0.PM.PBC", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\INFB"}, { - .name = "L4R", - .mt_mled = "MLED", - .mt_wled = "WLED", - .wled_status = "\\_SB.PCI0.SBRG.SG13", - .mt_lcd_switch = xxN_PREFIX "_Q10", - .lcd_status = "\\_SB.PCI0.SBSM.SEO4", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\_SB.PCI0.P0P1.VGA.GETD" - }, + .name = "L4R", + .mt_mled = "MLED", + .mt_wled = "WLED", + .wled_status = "\\_SB.PCI0.SBRG.SG13", + .mt_lcd_switch = xxN_PREFIX "_Q10", + .lcd_status = "\\_SB.PCI0.SBSM.SEO4", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\_SB.PCI0.P0P1.VGA.GETD"}, { - .name = "L5x", - .mt_mled = "MLED", + .name = "L5x", + .mt_mled = "MLED", /* WLED present, but not controlled by ACPI */ - .mt_tled = "TLED", - .mt_lcd_switch = "\\Q0D", - .lcd_status = "\\BAOF", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\INFB" - }, + .mt_tled = "TLED", + .mt_lcd_switch = "\\Q0D", + .lcd_status = "\\BAOF", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\INFB"}, { - .name = "L8L" + .name = "L8L" /* No features, but at least support the hotkeys */ - }, + }, { - .name = "M1A", - .mt_mled = "MLED", - .mt_lcd_switch = M1A_PREFIX "Q10", - .lcd_status = "\\PNOF", - .brightness_up = M1A_PREFIX "Q0E", - .brightness_down = M1A_PREFIX "Q0F", - .brightness_status = "\\BRIT", - .display_set = "SDSP", - .display_get = "\\INFB" - }, + .name = "M1A", + .mt_mled = "MLED", + .mt_lcd_switch = M1A_PREFIX "Q10", + .lcd_status = "\\PNOF", + .brightness_up = M1A_PREFIX "Q0E", + .brightness_down = M1A_PREFIX "Q0F", + .brightness_status = "\\BRIT", + .display_set = "SDSP", + .display_get = "\\INFB"}, { - .name = "M2E", - .mt_mled = "MLED", - .mt_wled = "WLED", - .mt_lcd_switch = "\\Q10", - .lcd_status = "\\GP06", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\INFB" - }, + .name = "M2E", + .mt_mled = "MLED", + .mt_wled = "WLED", + .mt_lcd_switch = "\\Q10", + .lcd_status = "\\GP06", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\INFB"}, { - .name = "M6N", - .mt_mled = "MLED", - .mt_wled = "WLED", - .wled_status = "\\_SB.PCI0.SBRG.SG13", - .mt_lcd_switch = xxN_PREFIX "_Q10", - .lcd_status = "\\_SB.BKLT", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\SSTE" - }, + .name = "M6N", + .mt_mled = "MLED", + .mt_wled = "WLED", + .wled_status = "\\_SB.PCI0.SBRG.SG13", + .mt_lcd_switch = xxN_PREFIX "_Q10", + .lcd_status = "\\_SB.BKLT", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\SSTE"}, { - .name = "M6R", - .mt_mled = "MLED", - .mt_wled = "WLED", - .mt_lcd_switch = xxN_PREFIX "_Q10", - .lcd_status = "\\_SB.PCI0.SBSM.SEO4", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\SSTE" - }, - + .name = "M6R", + .mt_mled = "MLED", + .mt_wled = "WLED", + .mt_lcd_switch = xxN_PREFIX "_Q10", + .lcd_status = "\\_SB.PCI0.SBSM.SEO4", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\SSTE"}, { - .name = "P30", - .mt_wled = "WLED", - .mt_lcd_switch = P30_PREFIX "_Q0E", - .lcd_status = "\\BKLT", - .brightness_up = P30_PREFIX "_Q68", - .brightness_down = P30_PREFIX "_Q69", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\DNXT" - }, + .name = "P30", + .mt_wled = "WLED", + .mt_lcd_switch = P30_PREFIX "_Q0E", + .lcd_status = "\\BKLT", + .brightness_up = P30_PREFIX "_Q68", + .brightness_down = P30_PREFIX "_Q69", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\DNXT"}, { - .name = "S1x", - .mt_mled = "MLED", - .mled_status = "\\EMLE", - .mt_wled = "WLED", - .mt_lcd_switch = S1x_PREFIX "Q10" , - .lcd_status = "\\PNOF", - .brightness_set = "SPLV", - .brightness_get = "GPLV" - }, + .name = "S1x", + .mt_mled = "MLED", + .mled_status = "\\EMLE", + .mt_wled = "WLED", + .mt_lcd_switch = S1x_PREFIX "Q10", + .lcd_status = "\\PNOF", + .brightness_set = "SPLV", + .brightness_get = "GPLV"}, { - .name = "S2x", - .mt_mled = "MLED", - .mled_status = "\\MAIL", - .mt_lcd_switch = S2x_PREFIX "_Q10", - .lcd_status = "\\BKLI", - .brightness_up = S2x_PREFIX "_Q0B", - .brightness_down = S2x_PREFIX "_Q0A" - }, + .name = "S2x", + .mt_mled = "MLED", + .mled_status = "\\MAIL", + .mt_lcd_switch = S2x_PREFIX "_Q10", + .lcd_status = "\\BKLI", + .brightness_up = S2x_PREFIX "_Q0B", + .brightness_down = S2x_PREFIX "_Q0A"}, { - .name = "xxN", - .mt_mled = "MLED", + .name = "xxN", + .mt_mled = "MLED", /* WLED present, but not controlled by ACPI */ - .mt_lcd_switch = xxN_PREFIX "_Q10", - .lcd_status = "\\BKLT", - .brightness_set = "SPLV", - .brightness_get = "GPLV", - .display_set = "SDSP", - .display_get = "\\ADVG" - } + .mt_lcd_switch = xxN_PREFIX "_Q10", + .lcd_status = "\\BKLT", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\ADVG"} }; /* procdir we use */ @@ -395,13 +375,13 @@ static struct asus_hotk *hotk; static int asus_hotk_add(struct acpi_device *device); static int asus_hotk_remove(struct acpi_device *device, int type); static struct acpi_driver asus_hotk_driver = { - .name = ACPI_HOTK_NAME, - .class = ACPI_HOTK_CLASS, - .ids = ACPI_HOTK_HID, - .ops = { - .add = asus_hotk_add, - .remove = asus_hotk_remove, - }, + .name = ACPI_HOTK_NAME, + .class = ACPI_HOTK_CLASS, + .ids = ACPI_HOTK_HID, + .ops = { + .add = asus_hotk_add, + .remove = asus_hotk_remove, + }, }; /* @@ -423,11 +403,10 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val, in_obj.type = ACPI_TYPE_INTEGER; in_obj.integer.value = val; - status = acpi_evaluate_object(handle, (char *) method, ¶ms, output); + status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); return (status == AE_OK); } - static int read_acpi_int(acpi_handle handle, const char *method, int *val) { struct acpi_buffer output; @@ -437,7 +416,7 @@ static int read_acpi_int(acpi_handle handle, const char *method, int *val) output.length = sizeof(out_obj); output.pointer = &out_obj; - status = acpi_evaluate_object(handle, (char *) method, NULL, &output); + status = acpi_evaluate_object(handle, (char *)method, NULL, &output); *val = out_obj.integer.value; return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER); } @@ -449,7 +428,7 @@ static int read_acpi_int(acpi_handle handle, const char *method, int *val) */ static int proc_read_info(char *page, char **start, off_t off, int count, int *eof, - void *data) + void *data) { int len = 0; int temp; @@ -460,7 +439,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, */ len += sprintf(page, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n"); - len += sprintf(page + len, "Model reference : %s\n", + len += sprintf(page + len, "Model reference : %s\n", hotk->methods->name); /* * The SFUN method probably allows the original driver to get the list @@ -469,7 +448,8 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, * The significance of others is yet to be found. */ if (read_acpi_int(hotk->handle, "SFUN", &temp)) - len += sprintf(page + len, "SFUN value : 0x%04x\n", temp); + len += + sprintf(page + len, "SFUN value : 0x%04x\n", temp); /* * Another value for userspace: the ASYM method returns 0x02 for * battery low and 0x04 for battery critical, its readings tend to be @@ -478,7 +458,8 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, * silently ignored. */ if (read_acpi_int(hotk->handle, "ASYM", &temp)) - len += sprintf(page + len, "ASYM value : 0x%04x\n", temp); + len += + sprintf(page + len, "ASYM value : 0x%04x\n", temp); if (asus_info) { snprintf(buf, 16, "%d", asus_info->length); len += sprintf(page + len, "DSDT length : %s\n", buf); @@ -501,7 +482,6 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, return len; } - /* * /proc handlers * We write our info in page, we begin at offset off and cannot write more @@ -510,8 +490,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof, */ /* Generic LED functions */ -static int -read_led(const char *ledname, int ledmask) +static int read_led(const char *ledname, int ledmask) { if (ledname) { int led_status; @@ -525,7 +504,7 @@ read_led(const char *ledname, int ledmask) return (hotk->status & ledmask) ? 1 : 0; } -static int parse_arg(const char __user *buf, unsigned long count, int *val) +static int parse_arg(const char __user * buf, unsigned long count, int *val) { char s[32]; if (!count) @@ -542,8 +521,8 @@ static int parse_arg(const char __user *buf, unsigned long count, int *val) /* FIXME: kill extraneous args so it can be called independently */ static int -write_led(const char __user *buffer, unsigned long count, - char *ledname, int ledmask, int invert) +write_led(const char __user * buffer, unsigned long count, + char *ledname, int ledmask, int invert) { int value; int led_out = 0; @@ -555,16 +534,16 @@ write_led(const char __user *buffer, unsigned long count, hotk->status = (led_out) ? (hotk->status | ledmask) : (hotk->status & ~ledmask); - if (invert) /* invert target value */ + if (invert) /* invert target value */ led_out = !led_out & 0x1; if (!write_acpi_int(hotk->handle, ledname, led_out, NULL)) - printk(KERN_WARNING "Asus ACPI: LED (%s) write failed\n", ledname); + printk(KERN_WARNING "Asus ACPI: LED (%s) write failed\n", + ledname); return count; } - /* * Proc handlers for MLED */ @@ -572,12 +551,12 @@ static int proc_read_mled(char *page, char **start, off_t off, int count, int *eof, void *data) { - return sprintf(page, "%d\n", read_led(hotk->methods->mled_status, MLED_ON)); + return sprintf(page, "%d\n", + read_led(hotk->methods->mled_status, MLED_ON)); } - static int -proc_write_mled(struct file *file, const char __user *buffer, +proc_write_mled(struct file *file, const char __user * buffer, unsigned long count, void *data) { return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1); @@ -590,11 +569,12 @@ static int proc_read_wled(char *page, char **start, off_t off, int count, int *eof, void *data) { - return sprintf(page, "%d\n", read_led(hotk->methods->wled_status, WLED_ON)); + return sprintf(page, "%d\n", + read_led(hotk->methods->wled_status, WLED_ON)); } static int -proc_write_wled(struct file *file, const char __user *buffer, +proc_write_wled(struct file *file, const char __user * buffer, unsigned long count, void *data) { return write_led(buffer, count, hotk->methods->mt_wled, WLED_ON, 0); @@ -607,35 +587,36 @@ static int proc_read_tled(char *page, char **start, off_t off, int count, int *eof, void *data) { - return sprintf(page, "%d\n", read_led(hotk->methods->tled_status, TLED_ON)); + return sprintf(page, "%d\n", + read_led(hotk->methods->tled_status, TLED_ON)); } static int -proc_write_tled(struct file *file, const char __user *buffer, +proc_write_tled(struct file *file, const char __user * buffer, unsigned long count, void *data) { return write_led(buffer, count, hotk->methods->mt_tled, TLED_ON, 0); } - static int get_lcd_state(void) { int lcd = 0; if (hotk->model != L3H) { - /* We don't have to check anything if we are here */ + /* We don't have to check anything if we are here */ if (!read_acpi_int(NULL, hotk->methods->lcd_status, &lcd)) - printk(KERN_WARNING "Asus ACPI: Error reading LCD status\n"); - + printk(KERN_WARNING + "Asus ACPI: Error reading LCD status\n"); + if (hotk->model == L2D) lcd = ~lcd; - } else { /* L3H and the like have to be handled differently */ + } else { /* L3H and the like have to be handled differently */ acpi_status status = 0; struct acpi_object_list input; union acpi_object mt_params[2]; struct acpi_buffer output; union acpi_object out_obj; - + input.count = 2; input.pointer = mt_params; /* Note: the following values are partly guessed up, but @@ -647,15 +628,17 @@ static int get_lcd_state(void) output.length = sizeof(out_obj); output.pointer = &out_obj; - - status = acpi_evaluate_object(NULL, hotk->methods->lcd_status, &input, &output); + + status = + acpi_evaluate_object(NULL, hotk->methods->lcd_status, + &input, &output); if (status != AE_OK) return -1; if (out_obj.type == ACPI_TYPE_INTEGER) /* That's what the AML code does */ lcd = out_obj.integer.value >> 8; } - + return (lcd & 1); } @@ -669,10 +652,13 @@ static int set_lcd_state(int value) /* switch */ if (hotk->model != L3H) { status = - acpi_evaluate_object(NULL, hotk->methods->mt_lcd_switch, + acpi_evaluate_object(NULL, + hotk->methods->mt_lcd_switch, NULL, NULL); - } else { /* L3H and the like have to be handled differently */ - if (!write_acpi_int(hotk->handle, hotk->methods->mt_lcd_switch, 0x07, NULL)) + } else { /* L3H and the like have to be handled differently */ + if (!write_acpi_int + (hotk->handle, hotk->methods->mt_lcd_switch, 0x07, + NULL)) status = AE_ERROR; /* L3H's AML executes EHK (0x07) upon Fn+F7 keypress, the exact behaviour is simulated here */ @@ -691,33 +677,33 @@ proc_read_lcd(char *page, char **start, off_t off, int count, int *eof, return sprintf(page, "%d\n", get_lcd_state()); } - static int -proc_write_lcd(struct file *file, const char __user *buffer, +proc_write_lcd(struct file *file, const char __user * buffer, unsigned long count, void *data) { int value; - + count = parse_arg(buffer, count, &value); if (count > 0) set_lcd_state(value); return count; } - static int read_brightness(void) { int value; - - if(hotk->methods->brightness_get) { /* SPLV/GPLV laptop */ - if (!read_acpi_int(hotk->handle, hotk->methods->brightness_get, + + if (hotk->methods->brightness_get) { /* SPLV/GPLV laptop */ + if (!read_acpi_int(hotk->handle, hotk->methods->brightness_get, &value)) - printk(KERN_WARNING "Asus ACPI: Error reading brightness\n"); - } else if (hotk->methods->brightness_status) { /* For D1 for example */ - if (!read_acpi_int(NULL, hotk->methods->brightness_status, + printk(KERN_WARNING + "Asus ACPI: Error reading brightness\n"); + } else if (hotk->methods->brightness_status) { /* For D1 for example */ + if (!read_acpi_int(NULL, hotk->methods->brightness_status, &value)) - printk(KERN_WARNING "Asus ACPI: Error reading brightness\n"); - } else /* No GPLV method */ + printk(KERN_WARNING + "Asus ACPI: Error reading brightness\n"); + } else /* No GPLV method */ value = hotk->brightness; return value; } @@ -730,23 +716,25 @@ static void set_brightness(int value) acpi_status status = 0; /* SPLV laptop */ - if(hotk->methods->brightness_set) { - if (!write_acpi_int(hotk->handle, hotk->methods->brightness_set, + if (hotk->methods->brightness_set) { + if (!write_acpi_int(hotk->handle, hotk->methods->brightness_set, value, NULL)) - printk(KERN_WARNING "Asus ACPI: Error changing brightness\n"); + printk(KERN_WARNING + "Asus ACPI: Error changing brightness\n"); return; } /* No SPLV method if we are here, act as appropriate */ value -= read_brightness(); while (value != 0) { - status = acpi_evaluate_object(NULL, (value > 0) ? - hotk->methods->brightness_up : + status = acpi_evaluate_object(NULL, (value > 0) ? + hotk->methods->brightness_up : hotk->methods->brightness_down, NULL, NULL); (value > 0) ? value-- : value++; if (ACPI_FAILURE(status)) - printk(KERN_WARNING "Asus ACPI: Error changing brightness\n"); + printk(KERN_WARNING + "Asus ACPI: Error changing brightness\n"); } return; } @@ -759,7 +747,7 @@ proc_read_brn(char *page, char **start, off_t off, int count, int *eof, } static int -proc_write_brn(struct file *file, const char __user *buffer, +proc_write_brn(struct file *file, const char __user * buffer, unsigned long count, void *data) { int value; @@ -767,7 +755,7 @@ proc_write_brn(struct file *file, const char __user *buffer, count = parse_arg(buffer, count, &value); if (count > 0) { value = (0 < value) ? ((15 < value) ? 15 : value) : 0; - /* 0 <= value <= 15 */ + /* 0 <= value <= 15 */ set_brightness(value); } else if (count < 0) { printk(KERN_WARNING "Asus ACPI: Error reading user input\n"); @@ -779,7 +767,7 @@ proc_write_brn(struct file *file, const char __user *buffer, static void set_display(int value) { /* no sanity check needed for now */ - if (!write_acpi_int(hotk->handle, hotk->methods->display_set, + if (!write_acpi_int(hotk->handle, hotk->methods->display_set, value, NULL)) printk(KERN_WARNING "Asus ACPI: Error setting display\n"); return; @@ -791,13 +779,14 @@ static void set_display(int value) */ static int proc_read_disp(char *page, char **start, off_t off, int count, int *eof, - void *data) + void *data) { int value = 0; - + if (!read_acpi_int(hotk->handle, hotk->methods->display_get, &value)) - printk(KERN_WARNING "Asus ACPI: Error reading display status\n"); - value &= 0x07; /* needed for some models, shouldn't hurt others */ + printk(KERN_WARNING + "Asus ACPI: Error reading display status\n"); + value &= 0x07; /* needed for some models, shouldn't hurt others */ return sprintf(page, "%d\n", value); } @@ -808,8 +797,8 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof, * simultaneously, so be warned. See the acpi4asus README for more info. */ static int -proc_write_disp(struct file *file, const char __user *buffer, - unsigned long count, void *data) +proc_write_disp(struct file *file, const char __user * buffer, + unsigned long count, void *data) { int value; @@ -822,19 +811,19 @@ proc_write_disp(struct file *file, const char __user *buffer, return count; } - -typedef int (proc_readfunc)(char *page, char **start, off_t off, int count, - int *eof, void *data); -typedef int (proc_writefunc)(struct file *file, const char __user *buffer, - unsigned long count, void *data); +typedef int (proc_readfunc) (char *page, char **start, off_t off, int count, + int *eof, void *data); +typedef int (proc_writefunc) (struct file * file, const char __user * buffer, + unsigned long count, void *data); static int -__init asus_proc_add(char *name, proc_writefunc *writefunc, - proc_readfunc *readfunc, mode_t mode, - struct acpi_device *device) +__init asus_proc_add(char *name, proc_writefunc * writefunc, + proc_readfunc * readfunc, mode_t mode, + struct acpi_device *device) { - struct proc_dir_entry *proc = create_proc_entry(name, mode, acpi_device_dir(device)); - if(!proc) { + struct proc_dir_entry *proc = + create_proc_entry(name, mode, acpi_device_dir(device)); + if (!proc) { printk(KERN_WARNING " Unable to create %s fs entry\n", name); return -1; } @@ -851,14 +840,14 @@ static int __init asus_hotk_add_fs(struct acpi_device *device) { struct proc_dir_entry *proc; mode_t mode; - + /* * If parameter uid or gid is not changed, keep the default setting for * our proc entries (-rw-rw-rw-) else, it means we care about security, * and then set to -rw-rw---- */ - if ((asus_uid == 0) && (asus_gid == 0)){ + if ((asus_uid == 0) && (asus_gid == 0)) { mode = S_IFREG | S_IRUGO | S_IWUGO; } else { mode = S_IFREG | S_IRUSR | S_IRGRP | S_IWUSR | S_IWGRP; @@ -881,15 +870,18 @@ static int __init asus_hotk_add_fs(struct acpi_device *device) } if (hotk->methods->mt_wled) { - asus_proc_add(PROC_WLED, &proc_write_wled, &proc_read_wled, mode, device); + asus_proc_add(PROC_WLED, &proc_write_wled, &proc_read_wled, + mode, device); } if (hotk->methods->mt_mled) { - asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled, mode, device); + asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled, + mode, device); } if (hotk->methods->mt_tled) { - asus_proc_add(PROC_TLED, &proc_write_tled, &proc_read_tled, mode, device); + asus_proc_add(PROC_TLED, &proc_write_tled, &proc_read_tled, + mode, device); } /* @@ -897,35 +889,40 @@ static int __init asus_hotk_add_fs(struct acpi_device *device) * from keyboard */ if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) { - asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode, device); + asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode, + device); } - + if ((hotk->methods->brightness_up && hotk->methods->brightness_down) || (hotk->methods->brightness_get && hotk->methods->brightness_set)) { - asus_proc_add(PROC_BRN, &proc_write_brn, &proc_read_brn, mode, device); + asus_proc_add(PROC_BRN, &proc_write_brn, &proc_read_brn, mode, + device); } if (hotk->methods->display_set) { - asus_proc_add(PROC_DISP, &proc_write_disp, &proc_read_disp, mode, device); + asus_proc_add(PROC_DISP, &proc_write_disp, &proc_read_disp, + mode, device); } return 0; } -static int asus_hotk_remove_fs(struct acpi_device* device) +static int asus_hotk_remove_fs(struct acpi_device *device) { - if(acpi_device_dir(device)) { - remove_proc_entry(PROC_INFO,acpi_device_dir(device)); + if (acpi_device_dir(device)) { + remove_proc_entry(PROC_INFO, acpi_device_dir(device)); if (hotk->methods->mt_wled) - remove_proc_entry(PROC_WLED,acpi_device_dir(device)); + remove_proc_entry(PROC_WLED, acpi_device_dir(device)); if (hotk->methods->mt_mled) - remove_proc_entry(PROC_MLED,acpi_device_dir(device)); + remove_proc_entry(PROC_MLED, acpi_device_dir(device)); if (hotk->methods->mt_tled) - remove_proc_entry(PROC_TLED,acpi_device_dir(device)); + remove_proc_entry(PROC_TLED, acpi_device_dir(device)); if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) remove_proc_entry(PROC_LCD, acpi_device_dir(device)); - if ((hotk->methods->brightness_up && hotk->methods->brightness_down) || - (hotk->methods->brightness_get && hotk->methods->brightness_set)) + if ((hotk->methods->brightness_up + && hotk->methods->brightness_down) + || (hotk->methods->brightness_get + && hotk->methods->brightness_set)) remove_proc_entry(PROC_BRN, acpi_device_dir(device)); if (hotk->methods->display_set) remove_proc_entry(PROC_DISP, acpi_device_dir(device)); @@ -933,16 +930,15 @@ static int asus_hotk_remove_fs(struct acpi_device* device) return 0; } - static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) { - /* TODO Find a better way to handle events count.*/ + /* TODO Find a better way to handle events count. */ if (!hotk) return; if ((event & ~((u32) BR_UP)) < 16) { hotk->brightness = (event & ~((u32) BR_UP)); - } else if ((event & ~((u32) BR_DOWN)) < 16 ) { + } else if ((event & ~((u32) BR_DOWN)) < 16) { hotk->brightness = (event & ~((u32) BR_DOWN)); } @@ -976,7 +972,7 @@ static int __init asus_hotk_get_info(void) if (ACPI_FAILURE(status)) printk(KERN_WARNING " Couldn't get the DSDT table header\n"); else - asus_info = (struct acpi_table_header *) dsdt.pointer; + asus_info = (struct acpi_table_header *)dsdt.pointer; /* We have to write 0 on init this far for all ASUS models */ if (!write_acpi_int(hotk->handle, "INIT", 0, &buffer)) { @@ -988,15 +984,17 @@ static int __init asus_hotk_get_info(void) if (!read_acpi_int(hotk->handle, "BSTS", &bsts_result)) printk(KERN_WARNING " Error calling BSTS\n"); else if (bsts_result) - printk(KERN_NOTICE " BSTS called, 0x%02x returned\n", bsts_result); + printk(KERN_NOTICE " BSTS called, 0x%02x returned\n", + bsts_result); /* Samsung P30 has a device with a valid _HID whose INIT does not * return anything. Catch this one and any similar here */ if (buffer.pointer == NULL) { - if (asus_info && /* Samsung P30 */ + if (asus_info && /* Samsung P30 */ strncmp(asus_info->oem_table_id, "ODEM", 4) == 0) { hotk->model = P30; - printk(KERN_NOTICE " Samsung P30 detected, supported\n"); + printk(KERN_NOTICE + " Samsung P30 detected, supported\n"); } else { hotk->model = M2E; printk(KERN_WARNING " no string returned by INIT\n"); @@ -1006,10 +1004,11 @@ static int __init asus_hotk_get_info(void) hotk->methods = &model_conf[hotk->model]; return AE_OK; } - - model = (union acpi_object *) buffer.pointer; + + model = (union acpi_object *)buffer.pointer; if (model->type == ACPI_TYPE_STRING) { - printk(KERN_NOTICE " %s model detected, ", model->string.pointer); + printk(KERN_NOTICE " %s model detected, ", + model->string.pointer); } hotk->model = END_MODEL; @@ -1035,7 +1034,7 @@ static int __init asus_hotk_get_info(void) strncmp(model->string.pointer, "M6N", 3) == 0 || strncmp(model->string.pointer, "S1N", 3) == 0 || strncmp(model->string.pointer, "S5N", 3) == 0 || - strncmp(model->string.pointer, "W1N", 3) == 0) + strncmp(model->string.pointer, "W1N", 3) == 0) hotk->model = xxN; else if (strncmp(model->string.pointer, "M1", 2) == 0) hotk->model = M1A; @@ -1069,21 +1068,21 @@ static int __init asus_hotk_get_info(void) /* Sort of per-model blacklist */ if (strncmp(model->string.pointer, "L2B", 3) == 0) - hotk->methods->lcd_status = NULL; + hotk->methods->lcd_status = NULL; /* L2B is similar enough to L3C to use its settings, with this only exception */ else if (strncmp(model->string.pointer, "S5N", 3) == 0 || strncmp(model->string.pointer, "M5N", 3) == 0) - hotk->methods->mt_mled = NULL; + hotk->methods->mt_mled = NULL; /* S5N and M5N have no MLED */ else if (strncmp(model->string.pointer, "M2N", 3) == 0 || strncmp(model->string.pointer, "W1N", 3) == 0) - hotk->methods->mt_wled = "WLED"; + hotk->methods->mt_wled = "WLED"; /* M2N and W1N have a usable WLED */ else if (asus_info) { if (strncmp(asus_info->oem_table_id, "L1", 2) == 0) hotk->methods->mled_status = NULL; - /* S1300A reports L84F, but L1400B too, account for that */ + /* S1300A reports L84F, but L1400B too, account for that */ } acpi_os_free(model); @@ -1091,7 +1090,6 @@ static int __init asus_hotk_get_info(void) return AE_OK; } - static int __init asus_hotk_check(void) { int result = 0; @@ -1110,7 +1108,6 @@ static int __init asus_hotk_check(void) return result; } - static int __init asus_hotk_add(struct acpi_device *device) { acpi_status status = AE_OK; @@ -1123,7 +1120,7 @@ static int __init asus_hotk_add(struct acpi_device *device) ASUS_ACPI_VERSION); hotk = - (struct asus_hotk *) kmalloc(sizeof(struct asus_hotk), GFP_KERNEL); + (struct asus_hotk *)kmalloc(sizeof(struct asus_hotk), GFP_KERNEL); if (!hotk) return -ENOMEM; memset(hotk, 0, sizeof(struct asus_hotk)); @@ -1134,7 +1131,6 @@ static int __init asus_hotk_add(struct acpi_device *device) acpi_driver_data(device) = hotk; hotk->device = device; - result = asus_hotk_check(); if (result) goto end; @@ -1153,17 +1149,22 @@ static int __init asus_hotk_add(struct acpi_device *device) printk(KERN_ERR " Error installing notify handler\n"); /* For laptops without GPLV: init the hotk->brightness value */ - if ((!hotk->methods->brightness_get) && (!hotk->methods->brightness_status) && - (hotk->methods->brightness_up && hotk->methods->brightness_down)) { - status = acpi_evaluate_object(NULL, hotk->methods->brightness_down, - NULL, NULL); + if ((!hotk->methods->brightness_get) + && (!hotk->methods->brightness_status) + && (hotk->methods->brightness_up + && hotk->methods->brightness_down)) { + status = + acpi_evaluate_object(NULL, hotk->methods->brightness_down, + NULL, NULL); if (ACPI_FAILURE(status)) printk(KERN_WARNING " Error changing brightness\n"); else { - status = acpi_evaluate_object(NULL, hotk->methods->brightness_up, - NULL, NULL); + status = + acpi_evaluate_object(NULL, + hotk->methods->brightness_up, + NULL, NULL); if (ACPI_FAILURE(status)) - printk(KERN_WARNING " Strange, error changing" + printk(KERN_WARNING " Strange, error changing" " brightness\n"); } } @@ -1176,7 +1177,6 @@ static int __init asus_hotk_add(struct acpi_device *device) return result; } - static int asus_hotk_remove(struct acpi_device *device, int type) { acpi_status status = 0; @@ -1196,7 +1196,6 @@ static int asus_hotk_remove(struct acpi_device *device, int type) return 0; } - static int __init asus_acpi_init(void) { int result; @@ -1204,9 +1203,9 @@ static int __init asus_acpi_init(void) if (acpi_disabled) return -ENODEV; - if (!acpi_specific_hotkey_enabled){ + if (!acpi_specific_hotkey_enabled) { printk(KERN_ERR "Using generic hotkey driver\n"); - return -ENODEV; + return -ENODEV; } asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir); if (!asus_proc_dir) { @@ -1225,7 +1224,6 @@ static int __init asus_acpi_init(void) return 0; } - static void __exit asus_acpi_exit(void) { acpi_bus_unregister_driver(&asus_hotk_driver); |