diff options
Diffstat (limited to 'drivers/media/usb/au0828/au0828-core.c')
| -rw-r--r-- | drivers/media/usb/au0828/au0828-core.c | 84 |
1 files changed, 61 insertions, 23 deletions
diff --git a/drivers/media/usb/au0828/au0828-core.c b/drivers/media/usb/au0828/au0828-core.c index 56025e689442..bc064803b6c7 100644 --- a/drivers/media/usb/au0828/au0828-core.c +++ b/drivers/media/usb/au0828/au0828-core.c @@ -19,14 +19,14 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include "au0828.h" + #include <linux/module.h> #include <linux/slab.h> #include <linux/videodev2.h> #include <media/v4l2-common.h> #include <linux/mutex.h> -#include "au0828.h" - /* * 1 = General debug messages * 2 = USB handling @@ -90,7 +90,7 @@ static int send_control_msg(struct au0828_dev *dev, u16 request, u32 value, status = min(status, 0); if (status < 0) { - printk(KERN_ERR "%s() Failed sending control message, error %d.\n", + pr_err("%s() Failed sending control message, error %d.\n", __func__, status); } @@ -115,7 +115,7 @@ static int recv_control_msg(struct au0828_dev *dev, u16 request, u32 value, status = min(status, 0); if (status < 0) { - printk(KERN_ERR "%s() Failed receiving control message, error %d.\n", + pr_err("%s() Failed receiving control message, error %d.\n", __func__, status); } @@ -153,9 +153,7 @@ static void au0828_usb_disconnect(struct usb_interface *interface) dprintk(1, "%s()\n", __func__); -#ifdef CONFIG_VIDEO_AU0828_RC au0828_rc_unregister(dev); -#endif /* Digital TV */ au0828_dvb_unregister(dev); @@ -199,15 +197,14 @@ static int au0828_usb_probe(struct usb_interface *interface, * not enough even for most Digital TV streams. */ if (usbdev->speed != USB_SPEED_HIGH && disable_usb_speed_check == 0) { - printk(KERN_ERR "au0828: Device initialization failed.\n"); - printk(KERN_ERR "au0828: Device must be connected to a " - "high-speed USB 2.0 port.\n"); + pr_err("au0828: Device initialization failed.\n"); + pr_err("au0828: Device must be connected to a high-speed USB 2.0 port.\n"); return -ENODEV; } dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (dev == NULL) { - printk(KERN_ERR "%s() Unable to allocate memory\n", __func__); + pr_err("%s() Unable to allocate memory\n", __func__); return -ENOMEM; } @@ -266,10 +263,8 @@ static int au0828_usb_probe(struct usb_interface *interface, pr_err("%s() au0282_dev_register failed\n", __func__); -#ifdef CONFIG_VIDEO_AU0828_RC /* Remote controller */ au0828_rc_register(dev); -#endif /* * Store the pointer to the au0828_dev so it can be accessed in @@ -277,7 +272,7 @@ static int au0828_usb_probe(struct usb_interface *interface, */ usb_set_intfdata(interface, dev); - printk(KERN_INFO "Registered device AU0828 [%s]\n", + pr_info("Registered device AU0828 [%s]\n", dev->board.name == NULL ? "Unset" : dev->board.name); mutex_unlock(&dev->lock); @@ -285,13 +280,56 @@ static int au0828_usb_probe(struct usb_interface *interface, return retval; } +static int au0828_suspend(struct usb_interface *interface, + pm_message_t message) +{ + struct au0828_dev *dev = usb_get_intfdata(interface); + + if (!dev) + return 0; + + pr_info("Suspend\n"); + + au0828_rc_suspend(dev); + au0828_v4l2_suspend(dev); + au0828_dvb_suspend(dev); + + /* FIXME: should suspend also ATV/DTV */ + + return 0; +} + +static int au0828_resume(struct usb_interface *interface) +{ + struct au0828_dev *dev = usb_get_intfdata(interface); + if (!dev) + return 0; + + pr_info("Resume\n"); + + /* Power Up the bridge */ + au0828_write(dev, REG_600, 1 << 4); + + /* Bring up the GPIO's and supporting devices */ + au0828_gpio_setup(dev); + + au0828_rc_resume(dev); + au0828_v4l2_resume(dev); + au0828_dvb_resume(dev); + + /* FIXME: should resume also ATV/DTV */ + + return 0; +} + static struct usb_driver au0828_usb_driver = { - .name = DRIVER_NAME, + .name = KBUILD_MODNAME, .probe = au0828_usb_probe, .disconnect = au0828_usb_disconnect, .id_table = au0828_usb_id_table, - - /* FIXME: Add suspend and resume functions */ + .suspend = au0828_suspend, + .resume = au0828_resume, + .reset_resume = au0828_resume, }; static int __init au0828_init(void) @@ -299,27 +337,27 @@ static int __init au0828_init(void) int ret; if (au0828_debug & 1) - printk(KERN_INFO "%s() Debugging is enabled\n", __func__); + pr_info("%s() Debugging is enabled\n", __func__); if (au0828_debug & 2) - printk(KERN_INFO "%s() USB Debugging is enabled\n", __func__); + pr_info("%s() USB Debugging is enabled\n", __func__); if (au0828_debug & 4) - printk(KERN_INFO "%s() I2C Debugging is enabled\n", __func__); + pr_info("%s() I2C Debugging is enabled\n", __func__); if (au0828_debug & 8) - printk(KERN_INFO "%s() Bridge Debugging is enabled\n", + pr_info("%s() Bridge Debugging is enabled\n", __func__); if (au0828_debug & 16) - printk(KERN_INFO "%s() IR Debugging is enabled\n", + pr_info("%s() IR Debugging is enabled\n", __func__); - printk(KERN_INFO "au0828 driver loaded\n"); + pr_info("au0828 driver loaded\n"); ret = usb_register(&au0828_usb_driver); if (ret) - printk(KERN_ERR "usb_register failed, error = %d\n", ret); + pr_err("usb_register failed, error = %d\n", ret); return ret; } |