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authorLad, Prabhakar <prabhakar.csengg@gmail.com>2015-03-08 11:40:47 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-04-02 18:11:43 -0300
commit116a6488d32ac62336b9c1a1dd989fdbfab128bd (patch)
treeacbf6d7b0b30a236e1ec98a9e9433240b786970f /drivers/media/platform
parentfe00b716e75f78cb9f90328b6a5f18cc88089050 (diff)
downloadblackbird-op-linux-116a6488d32ac62336b9c1a1dd989fdbfab128bd.tar.gz
blackbird-op-linux-116a6488d32ac62336b9c1a1dd989fdbfab128bd.zip
[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: Lad, Prabhakar <prabhakar.csengg@gmail.com> Tested-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/platform')
-rw-r--r--drivers/media/platform/blackfin/bfin_capture.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
index f97d94d9e778..2dead84b2d7a 100644
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ b/drivers/media/platform/blackfin/bfin_capture.c
@@ -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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