Commit 116a6488 authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Mauro Carvalho Chehab
Browse files

[media] media: blackfin: bfin_capture: return -ENODATA for *dv_timings calls 



this patch adds support to return -ENODATA for *dv_timings calls
if the current output does not support it.

Signed-off-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: default avatarScott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent fe00b716

drivers/media/platform/blackfin/bfin_capture.c

+21 −0
Original line number Diff line number Diff line
@@ -487,6 +487,11 @@ static int bcap_enum_dv_timings(struct file *file, void *priv, 
				struct v4l2_enum_dv_timings *timings)

{

	struct bcap_device *bcap_dev = video_drvdata(file);

	struct v4l2_input input;



	input = bcap_dev->cfg->inputs[bcap_dev->cur_input];

	if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))

		return -ENODATA;



	timings->pad = 0;
@@ -498,6 +503,11 @@ static int bcap_query_dv_timings(struct file *file, void *priv, 
				struct v4l2_dv_timings *timings)

{

	struct bcap_device *bcap_dev = video_drvdata(file);

	struct v4l2_input input;



	input = bcap_dev->cfg->inputs[bcap_dev->cur_input];

	if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))

		return -ENODATA;



	return v4l2_subdev_call(bcap_dev->sd, video,

				query_dv_timings, timings);
@@ -507,6 +517,11 @@ static int bcap_g_dv_timings(struct file *file, void *priv, 
				struct v4l2_dv_timings *timings)

{

	struct bcap_device *bcap_dev = video_drvdata(file);

	struct v4l2_input input;



	input = bcap_dev->cfg->inputs[bcap_dev->cur_input];

	if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))

		return -ENODATA;



	*timings = bcap_dev->dv_timings;

	return 0;
@@ -516,7 +531,13 @@ static int bcap_s_dv_timings(struct file *file, void *priv, 
				struct v4l2_dv_timings *timings)

{

	struct bcap_device *bcap_dev = video_drvdata(file);

	struct v4l2_input input;

	int ret;



	input = bcap_dev->cfg->inputs[bcap_dev->cur_input];

	if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))

		return -ENODATA;



	if (vb2_is_busy(&bcap_dev->buffer_queue))

		return -EBUSY;

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