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media: i2c: ov4689: Use runtime PM autosuspend

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Use runtime PM autosuspend to avoid powering off the sensor during
fast stop-reconfigure-restart cycles.

Signed-off-by: Mikhail Rudenko <mike.rudenko@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Mikhail Rudenko 2024-04-16 23:45:17 +01:00 committed by Mauro Carvalho Chehab
parent 48f3197a21
commit 47e4cf3d5a
1 changed files with 11 additions and 4 deletions
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15
drivers/media/i2c/ov4689.c
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@ -426,7 +426,8 @@ static int ov4689_s_stream(struct v4l2_subdev *sd, int on)
} else {
cci_write(ov4689->regmap, OV4689_REG_CTRL_MODE,
OV4689_MODE_SW_STANDBY, NULL);
pm_runtime_put(dev);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
}
unlock_and_return:
@ -606,7 +607,8 @@ static int ov4689_set_ctrl(struct v4l2_ctrl *ctrl)
break;
}
pm_runtime_put(dev);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
return ret;
}
@ -876,8 +878,10 @@ static int ov4689_probe(struct i2c_client *client)
}
pm_runtime_set_active(dev);
pm_runtime_get_noresume(dev);
pm_runtime_enable(dev);
pm_runtime_idle(dev);
pm_runtime_set_autosuspend_delay(dev, 1000);
pm_runtime_use_autosuspend(dev);
ret = v4l2_async_register_subdev_sensor(sd);
if (ret) {
@ -885,11 +889,14 @@ static int ov4689_probe(struct i2c_client *client)
goto err_clean_subdev_pm;
}
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
return 0;
err_clean_subdev_pm:
pm_runtime_disable(dev);
pm_runtime_set_suspended(dev);
pm_runtime_put_noidle(dev);
v4l2_subdev_cleanup(sd);
err_clean_entity:
media_entity_cleanup(&sd->entity);