Commit fe00b716 authored by Lad, Prabhakar's avatar Lad, Prabhakar Committed by Mauro Carvalho Chehab
Browse files

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



this patch adds supports to return -ENODATA to *_std calls
if the selected 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 2bf34b2f

drivers/media/platform/blackfin/bfin_capture.c

+15 −0
Original line number Diff line number Diff line
@@ -440,6 +440,11 @@ static irqreturn_t bcap_isr(int irq, void *dev_id) 
static int bcap_querystd(struct file *file, void *priv, v4l2_std_id *std)

{

	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_STD))

		return -ENODATA;



	return v4l2_subdev_call(bcap_dev->sd, video, querystd, std);

}
@@ -447,6 +452,11 @@ static int bcap_querystd(struct file *file, void *priv, v4l2_std_id *std) 
static int bcap_g_std(struct file *file, void *priv, v4l2_std_id *std)

{

	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_STD))

		return -ENODATA;



	*std = bcap_dev->std;

	return 0;
@@ -455,8 +465,13 @@ static int bcap_g_std(struct file *file, void *priv, v4l2_std_id *std) 
static int bcap_s_std(struct file *file, void *priv, v4l2_std_id std)

{

	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_STD))

		return -ENODATA;



	if (vb2_is_busy(&bcap_dev->buffer_queue))

		return -EBUSY;

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