diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/radio/dsbr100.c | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c index a5ca176a7b0..e6485cfe121 100644 --- a/drivers/media/radio/dsbr100.c +++ b/drivers/media/radio/dsbr100.c @@ -131,6 +131,9 @@ static int usb_dsbr100_probe(struct usb_interface *intf, static void usb_dsbr100_disconnect(struct usb_interface *intf); static int usb_dsbr100_open(struct inode *inode, struct file *file); static int usb_dsbr100_close(struct inode *inode, struct file *file); +static int usb_dsbr100_suspend(struct usb_interface *intf, + pm_message_t message); +static int usb_dsbr100_resume(struct usb_interface *intf); static int radio_nr = -1; module_param(radio_nr, int, 0); @@ -157,10 +160,14 @@ MODULE_DEVICE_TABLE (usb, usb_dsbr100_device_table); /* USB subsystem interface */ static struct usb_driver usb_dsbr100_driver = { - .name = "dsbr100", - .probe = usb_dsbr100_probe, - .disconnect = usb_dsbr100_disconnect, - .id_table = usb_dsbr100_device_table, + .name = "dsbr100", + .probe = usb_dsbr100_probe, + .disconnect = usb_dsbr100_disconnect, + .id_table = usb_dsbr100_device_table, + .suspend = usb_dsbr100_suspend, + .resume = usb_dsbr100_resume, + .reset_resume = usb_dsbr100_resume, + .supports_autosuspend = 0, }; /* Low-level device interface begins here */ @@ -448,6 +455,36 @@ static int usb_dsbr100_close(struct inode *inode, struct file *file) return 0; } +/* Suspend device - stop device. */ +static int usb_dsbr100_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct dsbr100_device *radio = usb_get_intfdata(intf); + int retval; + + retval = dsbr100_stop(radio); + if (retval == -1) + dev_warn(&intf->dev, "dsbr100_stop failed\n"); + + dev_info(&intf->dev, "going into suspend..\n"); + + return 0; +} + +/* Resume device - start device. */ +static int usb_dsbr100_resume(struct usb_interface *intf) +{ + struct dsbr100_device *radio = usb_get_intfdata(intf); + int retval; + + retval = dsbr100_start(radio); + if (retval == -1) + dev_warn(&intf->dev, "dsbr100_start failed\n"); + + dev_info(&intf->dev, "coming out of suspend..\n"); + + return 0; +} + /* File system interface */ static const struct file_operations usb_dsbr100_fops = { .owner = THIS_MODULE, |