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

Svyatoslav Ryhel <[email protected]> Tue, 14 Jul 2026 17:00:15 +0300

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	<CAPVz0n2EGy3uWwUfumvRxr2M_Z9ZMZ5f9=RO=S5vUsGk=ejcJQ@mail.gmail.com>

пт, 3 лип. 2026 р. о 14:09 Johan Hovold <[email protected]> пише:
>
> 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?
>

I have not found any in the datasheet, if you are aware of the delay
duration needed please elaborate.

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