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media: rockchip: cif-scale add power control

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I734f00bef832c661bd72aec1bf492665bb3dfbbc
This commit is contained in:
Zefa Chen
2021-12-01 17:09:49 +08:00
committed by Tao Huang
parent 9258867e86
commit f2fcd374fc
1 changed files with 17 additions and 0 deletions
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17
drivers/media/platform/rockchip/cif/cif-scale.c
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@@ -148,6 +148,7 @@ static int rkcif_scale_set_fmt(struct rkcif_scale_vdev *scale_vdev,
if (cif_dev->terminal_sensor.sd) {
fmt_src.which = V4L2_SUBDEV_FORMAT_ACTIVE;
fmt_src.pad = 0;
ret = v4l2_subdev_call(cif_dev->terminal_sensor.sd, pad, get_fmt, NULL, &fmt_src);
if (ret) {
v4l2_err(&scale_vdev->cifdev->v4l2_dev,
@@ -411,6 +412,7 @@ static int rkcif_scale_fh_open(struct file *file)
struct video_device *vdev = video_devdata(file);
struct rkcif_vdev_node *vnode = vdev_to_node(vdev);
struct rkcif_scale_vdev *scale_vdev = to_rkcif_scale_vdev(vnode);
struct rkcif_device *cifdev = scale_vdev->cifdev;
int ret;
ret = rkcif_update_sensor_info(scale_vdev->stream);
@@ -422,6 +424,17 @@ static int rkcif_scale_fh_open(struct file *file)
return ret;
}
ret = pm_runtime_get_sync(cifdev->dev);
if (ret < 0)
v4l2_err(&cifdev->v4l2_dev, "Failed to get runtime pm, %d\n",
ret);
mutex_lock(&cifdev->stream_lock);
if (!atomic_read(&cifdev->fh_cnt))
rkcif_soft_reset(cifdev, true);
atomic_inc(&cifdev->fh_cnt);
mutex_unlock(&cifdev->stream_lock);
ret = v4l2_fh_open(file);
if (!ret) {
ret = v4l2_pipeline_pm_get(&vnode->vdev.entity);
@@ -436,11 +449,15 @@ static int rkcif_scale_fop_release(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct rkcif_vdev_node *vnode = vdev_to_node(vdev);
struct rkcif_scale_vdev *scale_vdev = to_rkcif_scale_vdev(vnode);
struct rkcif_device *cifdev = scale_vdev->cifdev;
int ret;
ret = vb2_fop_release(file);
if (!ret)
v4l2_pipeline_pm_put(&vnode->vdev.entity);
pm_runtime_put_sync(cifdev->dev);
return ret;
}