2  * A V4L2 driver for OmniVision OV5647 cameras.
36 #define SENSOR_NAME "ov5647"
80 struct ov5647 {  struct
91 static inline struct ov5647 *to_state(struct v4l2_subdev *sd)  in to_state()  argument
93 	return container_of(sd, struct ov5647, sd);  in to_state()
350 	struct ov5647 *ov5647 = to_state(sd);  in ov5647_sensor_power()  local
353 	mutex_lock(&ov5647->lock);  in ov5647_sensor_power()
355 	if (on && !ov5647->power_count)	{  in ov5647_sensor_power()
356 		dev_dbg(&client->dev, "OV5647 power on\n");  in ov5647_sensor_power()
358 		ret = clk_prepare_enable(ov5647->xclk);  in ov5647_sensor_power()
367 			clk_disable_unprepare(ov5647->xclk);  in ov5647_sensor_power()
375 			clk_disable_unprepare(ov5647->xclk);  in ov5647_sensor_power()
380 	} else if (!on && ov5647->power_count == 1) {  in ov5647_sensor_power()
381 		dev_dbg(&client->dev, "OV5647 power off\n");  in ov5647_sensor_power()
394 		clk_disable_unprepare(ov5647->xclk);  in ov5647_sensor_power()
398 	ov5647->power_count += on ? 1 : -1;  in ov5647_sensor_power()
399 	WARN_ON(ov5647->power_count < 0);  in ov5647_sensor_power()
402 	mutex_unlock(&ov5647->lock);  in ov5647_sensor_power()
553 	struct ov5647 *sensor;  in ov5647_probe()
605 	dev_dbg(dev, "OmniVision OV5647 camera driver probed\n");  in ov5647_probe()
617 	struct ov5647 *ov5647 = to_state(sd);  in ov5647_remove()  local
619 	v4l2_async_unregister_subdev(&ov5647->sd);  in ov5647_remove()
620 	media_entity_cleanup(&ov5647->sd.entity);  in ov5647_remove()
622 	mutex_destroy(&ov5647->lock);  in ov5647_remove()
628 	{ "ov5647", 0 },
635 	{ .compatible = "ovti,ov5647" },
654 MODULE_DESCRIPTION("A low-level driver for OmniVision ov5647 sensors");