[PATCH v2 49/66] media: sun6i-csi: Get bridge subdev directly in capture stream ops

Paul Kocialkowski
2022-02-05T18:56:04Z

The remote subdev connected to the capture video device is always
our bridge, so get the bridge subdev directly instead of using a
dedicated helper (which is removed by this commit).

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
---
.../sunxi/sun6i-csi/sun6i_csi_capture.c | 30 ++-----------------
1 file changed, 3 insertions(+), 27 deletions(-)

diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
index be1a4fe8fe5f..2f9bf75e4e39 100644
--- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
+++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi_capture.c
@@ -42,22 +42,6 @@ void sun6i_csi_capture_format(struct sun6i_csi_device *csi_dev,
*field = csi_dev->capture.format.fmt.pix.field;
}

-static struct v4l2_subdev *
-sun6i_csi_capture_remote_subdev(struct sun6i_csi_capture *capture, u32 *pad)
-{
- struct media_pad *remote;
-
- remote = media_entity_remote_pad(&capture->pad);
-
- if (!remote || !is_media_entity_v4l2_subdev(remote->entity))
- return NULL;
-
- if (pad)
- *pad = remote->index;
-
- return media_entity_to_v4l2_subdev(remote->entity);
-}
-
/* Format */

static const struct sun6i_csi_capture_format sun6i_csi_capture_formats[] = {
@@ -822,8 +806,8 @@ static int sun6i_csi_capture_start_streaming(struct vb2_queue *queue,
struct sun6i_csi_capture *capture = &csi_dev->capture;
struct sun6i_csi_capture_state *state = &capture->state;
struct video_device *video_dev = &capture->video_dev;
+ struct v4l2_subdev *subdev = &csi_dev->bridge.subdev;
struct device *dev = csi_dev->dev;
- struct v4l2_subdev *subdev;
int ret;

state->sequence = 0;
@@ -832,12 +816,6 @@ static int sun6i_csi_capture_start_streaming(struct vb2_queue *queue,
if (ret < 0)
goto error_state;

- subdev = sun6i_csi_capture_remote_subdev(capture, NULL);
- if (!subdev) {
- ret = -EINVAL;
- goto error_media_pipeline;
- }
-
/* PM */

ret = pm_runtime_resume_and_get(dev);
@@ -886,12 +864,10 @@ static void sun6i_csi_capture_stop_streaming(struct vb2_queue *queue)
{
struct sun6i_csi_device *csi_dev = vb2_get_drv_priv(queue);
struct sun6i_csi_capture *capture = &csi_dev->capture;
+ struct v4l2_subdev *subdev = &csi_dev->bridge.subdev;
struct device *dev = csi_dev->dev;
- struct v4l2_subdev *subdev;

- subdev = sun6i_csi_capture_remote_subdev(capture, NULL);
- if (subdev)
- v4l2_subdev_call(subdev, video, s_stream, 0);
+ v4l2_subdev_call(subdev, video, s_stream, 0);

sun6i_csi_capture_disable(csi_dev);
sun6i_csi_capture_irq_disable(csi_dev);
--
2.34.1