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media: rockchip: cif: add pipeline power management

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reference commit:
Commit fda2824552 ("media: rockchip: isp1: add pipeline power management")

Change-Id: Ibf23890af5efb26a282a490faf5a7320349a5046
Signed-off-by: Wang Panzhenzhuan <randy.wang@rock-chips.com>
This commit is contained in:
Wang Panzhenzhuan
2019-11-26 10:11:42 +08:00
committed by Tao Huang
parent 1b02d60cf5
commit 99b3695fef
2 changed files with 29 additions and 10 deletions
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38
drivers/media/platform/rockchip/cif/capture.c
View File

@@ -846,7 +846,6 @@ static void rkcif_stop_streaming(struct vb2_queue *queue)
/* stop the sub device*/
sd = dev->active_sensor->sd;
v4l2_subdev_call(sd, video, s_stream, 0);
v4l2_subdev_call(sd, core, s_power, 0);
/* release buffers */
if (stream->curr_buf) {
@@ -1069,17 +1068,13 @@ static int rkcif_start_streaming(struct vb2_queue *queue, unsigned int count)
/* start sub-devices */
sd = dev->active_sensor->sd;
ret = v4l2_subdev_call(sd, core, s_power, 1);
if (ret < 0 && ret != -ENOIOCTLCMD)
goto stop_stream;
ret = v4l2_subdev_call(sd, video, s_stream, 1);
if (ret < 0)
goto subdev_poweroff;
goto stop_stream;
return 0;
subdev_poweroff:
v4l2_subdev_call(sd, core, s_power, 0);
stop_stream:
rkcif_stream_stop(stream);
runtime_put:
@@ -1238,7 +1233,7 @@ static int rkcif_fh_open(struct file *filp)
struct video_device *vdev = video_devdata(filp);
struct rkcif_stream *stream = to_rkcif_stream(vdev);
struct rkcif_device *cifdev = stream->cifdev;
int ret;
/* Make sure active sensor is valid before .set_fmt() */
cifdev->active_sensor = get_active_sensor(stream);
if (!cifdev->active_sensor) {
@@ -1251,13 +1246,36 @@ static int rkcif_fh_open(struct file *filp)
* to reset cif once we hold buffers after buf queued
*/
rkcif_soft_reset(cifdev);
ret = v4l2_fh_open(filp);
if (!ret) {
ret = v4l2_pipeline_pm_use(&stream->vdev.entity, 1);
if (ret < 0)
vb2_fop_release(filp);
}
return v4l2_fh_open(filp);
return ret;
}
static int rkcif_fop_release(struct file *file)
{
struct video_device *vdev = video_devdata(file);
struct rkcif_stream *stream = to_rkcif_stream(vdev);
struct rkcif_device *cifdev = stream->cifdev;
int ret;
ret = vb2_fop_release(file);
if (!ret) {
ret = v4l2_pipeline_pm_use(&stream->vdev.entity, 0);
if (ret < 0)
v4l2_err(&cifdev->v4l2_dev,
"set pipeline power failed %d\n", ret);
}
return ret;
}
static const struct v4l2_file_operations rkcif_fops = {
.open = rkcif_fh_open,
.release = vb2_fop_release,
.release = rkcif_fop_release,
.unlocked_ioctl = video_ioctl2,
.poll = vb2_fop_poll,
.mmap = vb2_fop_mmap,

1
drivers/media/platform/rockchip/cif/dev.h
View File

@@ -14,6 +14,7 @@
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/videobuf2-v4l2.h>
#include <media/v4l2-mc.h>
#define CIF_DRIVER_NAME "rkcif"
#define CIF_VIDEODEVICE_NAME "stream_cif"