diff mbox series

[v4,35/45] media: sun6i-csi: Get bridge subdev directly in capture stream ops

Message ID 20220415152811.636419-36-paul.kocialkowski@bootlin.com
State Superseded
Headers show
Series Allwinner A31/A83T MIPI CSI-2 and A31 ISP / CSI Rework | expand

Commit Message

Paul Kocialkowski April 15, 2022, 3:28 p.m. UTC
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(-)

Comments

Jernej Škrabec April 27, 2022, 7:47 p.m. UTC | #1
Dne petek, 15. april 2022 ob 17:28:01 CEST je Paul Kocialkowski napisal(a):
> 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>

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>

Best regards,
Jernej

> ---
>  .../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
> b3452ed825ad..b92f8aa55a92 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);
diff mbox series

Patch

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 b3452ed825ad..b92f8aa55a92 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);