diff options
Diffstat (limited to 'drivers/media/video/uvc/uvc_status.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_status.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/media/video/uvc/uvc_status.c b/drivers/media/video/uvc/uvc_status.c index be9084e5eac..75e678ac54e 100644 --- a/drivers/media/video/uvc/uvc_status.c +++ b/drivers/media/video/uvc/uvc_status.c @@ -22,6 +22,7 @@ /* -------------------------------------------------------------------------- * Input device */ +#ifdef CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV static int uvc_input_init(struct uvc_device *dev) { struct usb_device *udev = dev->udev; @@ -67,6 +68,19 @@ static void uvc_input_cleanup(struct uvc_device *dev) input_unregister_device(dev->input); } +static void uvc_input_report_key(struct uvc_device *dev, unsigned int code, + int value) +{ + if (dev->input) + input_report_key(dev->input, code, value); +} + +#else +#define uvc_input_init(dev) +#define uvc_input_cleanup(dev) +#define uvc_input_report_key(dev, code, value) +#endif /* CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV */ + /* -------------------------------------------------------------------------- * Status interrupt endpoint */ @@ -83,8 +97,7 @@ static void uvc_event_streaming(struct uvc_device *dev, __u8 *data, int len) return; uvc_trace(UVC_TRACE_STATUS, "Button (intf %u) %s len %d\n", data[1], data[3] ? "pressed" : "released", len); - if (dev->input) - input_report_key(dev->input, BTN_0, data[3]); + uvc_input_report_key(dev, BTN_0, data[3]); } else { uvc_trace(UVC_TRACE_STATUS, "Stream %u error event %02x %02x " "len %d.\n", data[1], data[2], data[3], len); @@ -203,5 +216,6 @@ int uvc_status_resume(struct uvc_device *dev) if (dev->int_urb == NULL) return 0; - return usb_submit_urb(dev->int_urb, GFP_KERNEL); + return usb_submit_urb(dev->int_urb, GFP_NOIO); } + |