[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>
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@ -487,6 +487,11 @@ static int bcap_enum_dv_timings(struct file *file, void *priv,
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struct v4l2_enum_dv_timings *timings)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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struct v4l2_input input;
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input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
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if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))
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return -ENODATA;
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timings->pad = 0;
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@ -498,6 +503,11 @@ static int bcap_query_dv_timings(struct file *file, void *priv,
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struct v4l2_dv_timings *timings)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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struct v4l2_input input;
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input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
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if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))
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return -ENODATA;
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return v4l2_subdev_call(bcap_dev->sd, video,
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query_dv_timings, timings);
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@ -507,6 +517,11 @@ static int bcap_g_dv_timings(struct file *file, void *priv,
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struct v4l2_dv_timings *timings)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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struct v4l2_input input;
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input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
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if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))
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return -ENODATA;
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*timings = bcap_dev->dv_timings;
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return 0;
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@ -516,7 +531,13 @@ static int bcap_s_dv_timings(struct file *file, void *priv,
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struct v4l2_dv_timings *timings)
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{
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struct bcap_device *bcap_dev = video_drvdata(file);
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struct v4l2_input input;
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int ret;
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input = bcap_dev->cfg->inputs[bcap_dev->cur_input];
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if (!(input.capabilities & V4L2_IN_CAP_DV_TIMINGS))
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return -ENODATA;
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if (vb2_is_busy(&bcap_dev->buffer_queue))
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return -EBUSY;
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