From c9e44b5354000386ef1324d200bf99b597756594 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Sun, 23 Mar 2014 16:19:50 +0100 Subject: [PATCH] usb: gadget: uvc: Set the vb2 queue timestamp flags The vb2 queue timestamp_flags field must be set by drivers, as enforced by a WARN_ON in vb2_queue_init. The UVC gadget driver failed to do so. This resulted in the following warning. [ 2.104371] g_webcam gadget: uvc_function_bind [ 2.105567] ------------[ cut here ]------------ [ 2.105567] ------------[ cut here ]------------ [ 2.106779] WARNING: CPU: 0 PID: 1 at drivers/media/v4l2-core/videobuf2-core.c:2207 vb2_queue_init+0xa3/0x113() Fix it. Reported-by: Fengguang Wu Signed-off-by: Laurent Pinchart Reviewed-by: Hans Verkuil Acked-by: Felipe Balbi Signed-off-by: Felipe Balbi --- drivers/usb/gadget/uvc_queue.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/gadget/uvc_queue.c b/drivers/usb/gadget/uvc_queue.c index 305eb491c919..1c29bc954db9 100644 --- a/drivers/usb/gadget/uvc_queue.c +++ b/drivers/usb/gadget/uvc_queue.c @@ -137,6 +137,8 @@ static int uvc_queue_init(struct uvc_video_queue *queue, queue->queue.buf_struct_size = sizeof(struct uvc_buffer); queue->queue.ops = &uvc_queue_qops; queue->queue.mem_ops = &vb2_vmalloc_memops; + queue->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC + | V4L2_BUF_FLAG_TSTAMP_SRC_EOF; ret = vb2_queue_init(&queue->queue); if (ret) return ret;