[PATCH v13 28/34] 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@xxxxxxxxxxxxxxxx>
---
 drivers/media/v4l2-core/v4l2-subdev.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index a4ae11c27e24..76788798e976 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -1438,10 +1438,14 @@ 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;
 
-	fmt = v4l2_subdev_get_pad_format(sd, state, format->pad);
 	if (!fmt)
 		return -EINVAL;
 
-- 
2.34.1




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