diff options
Diffstat (limited to 'drivers/usb/gadget/uvc_queue.c')
| -rw-r--r-- | drivers/usb/gadget/uvc_queue.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/gadget/uvc_queue.c b/drivers/usb/gadget/uvc_queue.c index 7ce27e35550b..e6170478ea9f 100644 --- a/drivers/usb/gadget/uvc_queue.c +++ b/drivers/usb/gadget/uvc_queue.c @@ -103,10 +103,26 @@ static void uvc_buffer_queue(struct vb2_buffer *vb) spin_unlock_irqrestore(&queue->irqlock, flags); } +static void uvc_wait_prepare(struct vb2_queue *vq) +{ + struct uvc_video_queue *queue = vb2_get_drv_priv(vq); + + mutex_unlock(&queue->mutex); +} + +static void uvc_wait_finish(struct vb2_queue *vq) +{ + struct uvc_video_queue *queue = vb2_get_drv_priv(vq); + + mutex_lock(&queue->mutex); +} + static struct vb2_ops uvc_queue_qops = { .queue_setup = uvc_queue_setup, .buf_prepare = uvc_buffer_prepare, .buf_queue = uvc_buffer_queue, + .wait_prepare = uvc_wait_prepare, + .wait_finish = uvc_wait_finish, }; static int uvc_queue_init(struct uvc_video_queue *queue, |