diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2022-05-09 23:32:33 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2022-07-08 18:02:47 +0100 |
| commit | a3ec6bc1af391b3115c683711d80bc704e8dd16b (patch) | |
| tree | 647cbfbe2eaf3babbc8aa4f6b5ee6eed821ef2d9 /drivers/staging/media/imx/imx7-media-csi.c | |
| parent | 9d75fc9917708c1852650fab3ff743a97d5fec3c (diff) | |
media: staging: media: imx: imx7-media-csi: Avoid unnecessary casts
Simplify the imx7_csi_media_pipeline_set_stream() function by passing it
the imx7_csi pointer, which avoids going from subdev to entity and back
to subdev.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/staging/media/imx/imx7-media-csi.c')
| -rw-r--r-- | drivers/staging/media/imx/imx7-media-csi.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c index 51e6bb4bd8b6..86a0ca9b82e8 100644 --- a/drivers/staging/media/imx/imx7-media-csi.c +++ b/drivers/staging/media/imx/imx7-media-csi.c @@ -1067,33 +1067,24 @@ static int imx7_csi_video_validate_fmt(struct imx7_csi *csi) return 0; } -/* - * Turn current pipeline streaming on/off starting from entity. - */ -static int imx7_csi_media_pipeline_set_stream(struct imx_media_dev *imxmd, - struct media_entity *entity, - bool on) +static int imx7_csi_media_pipeline_set_stream(struct imx7_csi *csi, bool on) { - struct v4l2_subdev *sd; + struct imx_media_dev *imxmd = &csi->imxmd; int ret = 0; - if (!is_media_entity_v4l2_subdev(entity)) - return -EINVAL; - sd = media_entity_to_v4l2_subdev(entity); - mutex_lock(&imxmd->md.graph_mutex); if (on) { - ret = __media_pipeline_start(entity, &imxmd->pipe); + ret = __media_pipeline_start(&csi->sd.entity, &imxmd->pipe); if (ret) goto out; - ret = v4l2_subdev_call(sd, video, s_stream, 1); + ret = v4l2_subdev_call(&csi->sd, video, s_stream, 1); if (ret) - __media_pipeline_stop(entity); + __media_pipeline_stop(&csi->sd.entity); } else { - v4l2_subdev_call(sd, video, s_stream, 0); - if (entity->pipe) - __media_pipeline_stop(entity); + v4l2_subdev_call(&csi->sd, video, s_stream, 0); + if (csi->sd.entity.pipe) + __media_pipeline_stop(&csi->sd.entity); } out: @@ -1115,8 +1106,7 @@ static int imx7_csi_video_start_streaming(struct vb2_queue *vq, goto return_bufs; } - ret = imx7_csi_media_pipeline_set_stream(&csi->imxmd, &csi->sd.entity, - true); + ret = imx7_csi_media_pipeline_set_stream(csi, true); if (ret) { dev_err(csi->dev, "pipeline start failed with %d\n", ret); goto return_bufs; @@ -1142,8 +1132,7 @@ static void imx7_csi_video_stop_streaming(struct vb2_queue *vq) unsigned long flags; int ret; - ret = imx7_csi_media_pipeline_set_stream(&csi->imxmd, &csi->sd.entity, - false); + ret = imx7_csi_media_pipeline_set_stream(csi, false); if (ret) dev_warn(csi->dev, "pipeline stop failed with %d\n", ret); |