Switch the driver to implement the pad and stream aware s_stream
operation. This is needed to enable to support to start and stop
individual streams on a multiplexed pad.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
---
drivers/media/i2c/adv748x/adv748x-csi2.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/media/i2c/adv748x/adv748x-csi2.c b/drivers/media/i2c/adv748x/adv748x-csi2.c
index 58a9d9105148c15b..39d7877ff615fed1 100644
--- a/drivers/media/i2c/adv748x/adv748x-csi2.c
+++ b/drivers/media/i2c/adv748x/adv748x-csi2.c
@@ -128,22 +128,26 @@ static const struct v4l2_subdev_internal_ops adv748x_csi2_internal_ops = {
* v4l2_subdev_video_ops
*/
-static int adv748x_csi2_s_stream(struct v4l2_subdev *sd, int enable)
+static int adv748x_csi2_s_stream(struct v4l2_subdev *sd, unsigned int pad,
+ unsigned int stream, int enable)
{
struct adv748x_csi2 *tx = adv748x_sd_to_csi2(sd);
+ struct adv748x_state *state = tx->state;
struct v4l2_subdev *src;
+ if (pad != ADV748X_CSI2_SOURCE || stream != 0)
+ return -EINVAL;
+
src = adv748x_get_remote_sd(&tx->pads[ADV748X_CSI2_SINK]);
if (!src)
return -EPIPE;
+ adv_dbg(state, "%s: pad: %u stream: %u enable: %d\n", sd->name,
+ pad, stream, enable);
+
return v4l2_subdev_call(src, video, s_stream, enable);
}
-static const struct v4l2_subdev_video_ops adv748x_csi2_video_ops = {
- .s_stream = adv748x_csi2_s_stream,
-};
-
/* -----------------------------------------------------------------------------
* v4l2_subdev_pad_ops
*
@@ -257,6 +261,7 @@ static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = {
.get_fmt = adv748x_csi2_get_format,
.set_fmt = adv748x_csi2_set_format,
.get_frame_desc = adv748x_csi2_get_frame_desc,
+ .s_stream = adv748x_csi2_s_stream,
};
/* -----------------------------------------------------------------------------
@@ -264,7 +269,6 @@ static const struct v4l2_subdev_pad_ops adv748x_csi2_pad_ops = {
*/
static const struct v4l2_subdev_ops adv748x_csi2_ops = {
- .video = &adv748x_csi2_video_ops,
.pad = &adv748x_csi2_pad_ops,
};
--
2.13.3
