Re: [PATCH v5 09/14] mfd: lm3533: Add support for VIN power supply

Johan Hovold <[email protected]> Fri, 3 Jul 2026 13:09:13 +0200

Newsgroups	org.kernel.vger.linux-fbdev,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-iio,org.kernel.vger.linux-kernel,org.kernel.vger.linux-leds
Message-ID	<[email protected]>

On Wed, Jun 17, 2026 at 11:00:26AM +0300, Svyatoslav Ryhel wrote:
> Add support for 2.7V-5.5V VIN power supply.
> 
> Signed-off-by: Svyatoslav Ryhel <[email protected]>
 
> -static void lm3533_enable(struct lm3533 *lm3533)
> +static int lm3533_enable(struct lm3533 *lm3533)
>  {
> +	int ret;
> +
> +	ret = regulator_enable(lm3533->vin_supply);
> +	if (ret) {
> +		dev_err(lm3533->dev, "failed to enable vin power supply\n");
> +		return ret;
> +	}
> +

No delay needed?

>  	gpiod_set_value(lm3533->hwen, 1);
> +
> +	return 0;
>  }

Johan