From b83bba24a29c44b696b5977e3874bc07b13dc3c0 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Mon, 13 Oct 2014 10:11:35 -0300 Subject: [media] uvcvideo: Separate video and queue enable/disable operations In order to make use of the vb2 queue start/stop_streaming operations the video and queue enable/disable operations need to be split, as the vb2 queue will need to enable and disable video instead of the other way around. Also move buffer queue disable outside of uvc_video_resume() to remove all queue disable operations out of uvc_video.c. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/uvc/uvc_video.c | 22 ++-------------------- 1 file changed, 2 insertions(+), 20 deletions(-) (limited to 'drivers/media/usb/uvc/uvc_video.c') diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index b9c7dee..9637e8b 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -1735,19 +1735,13 @@ int uvc_video_resume(struct uvc_streaming *stream, int reset) uvc_video_clock_reset(stream); ret = uvc_commit_video(stream, &stream->ctrl); - if (ret < 0) { - uvc_queue_enable(&stream->queue, 0); + if (ret < 0) return ret; - } if (!uvc_queue_streaming(&stream->queue)) return 0; - ret = uvc_init_video(stream, GFP_NOIO); - if (ret < 0) - uvc_queue_enable(&stream->queue, 0); - - return ret; + return uvc_init_video(stream, GFP_NOIO); } /* ------------------------------------------------------------------------ @@ -1779,11 +1773,6 @@ int uvc_video_init(struct uvc_streaming *stream) atomic_set(&stream->active, 0); - /* Initialize the video buffers queue. */ - ret = uvc_queue_init(&stream->queue, stream->type, !uvc_no_drop_param); - if (ret) - return ret; - /* Alternate setting 0 should be the default, yet the XBox Live Vision * Cam (and possibly other devices) crash or otherwise misbehave if * they don't receive a SET_INTERFACE request before any other video @@ -1890,7 +1879,6 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable) usb_clear_halt(stream->dev->udev, pipe); } - uvc_queue_enable(&stream->queue, 0); uvc_video_clock_cleanup(stream); return 0; } @@ -1899,10 +1887,6 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable) if (ret < 0) return ret; - ret = uvc_queue_enable(&stream->queue, 1); - if (ret < 0) - goto error_queue; - /* Commit the streaming parameters. */ ret = uvc_commit_video(stream, &stream->ctrl); if (ret < 0) @@ -1917,8 +1901,6 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable) error_video: usb_set_interface(stream->dev->udev, stream->intfnum, 0); error_commit: - uvc_queue_enable(&stream->queue, 0); -error_queue: uvc_video_clock_cleanup(stream); return ret; -- cgit v1.1