diff options
Diffstat (limited to 'drivers/media/usb/stkwebcam/stk-webcam.c')
| -rw-r--r-- | drivers/media/usb/stkwebcam/stk-webcam.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index 45d73e2f3e57..c43c8d32be40 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -1046,6 +1046,13 @@ static int stk_vidioc_reqbufs(struct file *filp, if (is_streaming(dev) || (dev->owner && dev->owner != filp)) return -EBUSY; + stk_free_buffers(dev); + if (rb->count == 0) { + stk_camera_write_reg(dev, 0x0, 0x49); /* turn off the LED */ + unset_initialised(dev); + dev->owner = NULL; + return 0; + } dev->owner = filp; /*FIXME If they ask for zero, we must stop streaming and free */ |