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media: subdev: add streams to v4l2_subdev_get_fmt() helper function

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Add streams support to v4l2_subdev_get_fmt() helper function. Subdev
drivers that do not need to do anything special in their get_fmt op can
use this helper directly for v4l2_subdev_pad_ops.get_fmt.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Tomi Valkeinen 2021-12-21 11:23:13 +01:00 • committed by Mauro Carvalho Chehab
parent d00f1a075c
commit 72c5fbcaa3
1 changed files with 7 additions and 3 deletions
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10
drivers/media/v4l2-core/v4l2-subdev.c
View file

@ -1406,10 +1406,14 @@ int v4l2_subdev_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_state *state,
{
struct v4l2_mbus_framefmt *fmt;
if (format->pad >= sd->entity.num_pads)
return -EINVAL;
if (sd->flags & V4L2_SUBDEV_FL_STREAMS)
fmt = v4l2_subdev_state_get_stream_format(state, format->pad,
format->stream);
else if (format->pad < sd->entity.num_pads && format->stream == 0)
fmt = v4l2_subdev_get_pad_format(sd, state, format->pad);
else
fmt = NULL;
if (!fmt)
return -EINVAL;