Re: [PATCH v2 5/5] media: i2c: lm3560: Add support for PM features

[Sakari Ailus]

Hi Shyvatoslav,

On Sun, Apr 19, 2026 at 12:34:12PM +0300, Svyatoslav Ryhel wrote:
> @@ -403,6 +423,60 @@ static int lm3560_init_device(struct lm3560_flash *flash)
>  	return rval;
>  }
>  
> +static void lm3560_power_off(struct lm3560_flash *flash)
> +{
> +	gpiod_set_value_cansleep(flash->hwen_gpio, 0);
> +	regulator_disable(flash->vin_supply);
> +}
> +
> +static int lm3560_power_on(struct lm3560_flash *flash)
> +{
> +	int rval;
> +
> +	rval = regulator_enable(flash->vin_supply);
> +	if (rval < 0) {
> +		dev_err(flash->dev, "failed to enable vin power supply\n");
> +		return rval;
> +	}
> +
> +	gpiod_set_value_cansleep(flash->hwen_gpio, 1);
> +
> +	rval = lm3560_init_device(flash);
> +	if (rval < 0) {
> +		lm3560_power_off(flash);
> +		return rval;
> +	}
> +
> +	return 0;
> +}
> +
> +static int __maybe_unused lm3560_pm_runtime_resume(struct device *dev)
> +{
> +	struct lm3560_flash *flash = dev_get_drvdata(dev);
> +
> +	return lm3560_power_on(flash);
> +}
> +
> +static int __maybe_unused lm3560_pm_runtime_suspend(struct device *dev)

Could you change lm3560_power_o{n,ff}() take struct device pointer as the
argument?

> +{
> +	struct lm3560_flash *flash = dev_get_drvdata(dev);
> +
> +	lm3560_power_off(flash);
> +
> +	return 0;
> +}
> +
> +static void lm3560_subdev_cleanup(struct lm3560_flash *flash)
> +{
> +	unsigned int i;
> +
> +	for (i = LM3560_LED0; i < LM3560_LED_MAX; i++) {

You could define i here.

> +		v4l2_device_unregister_subdev(&flash->subdev_led[i]);
> +		v4l2_ctrl_handler_free(&flash->ctrls_led[i]);
> +		media_entity_cleanup(&flash->subdev_led[i].entity);
> +	}
> +}
> +
>  static int lm3560_probe(struct i2c_client *client)
>  {
>  	struct lm3560_flash *flash;

-- 
Kind regards,

Sakari Ailus