On Thu, Aug 15, 2019 at 2:49 AM Brian Masney <masn...@onstation.org> wrote:
> Add support for the avdd33 regulator to the analogix-anx78xx driver.
> Note that the regulator is currently enabled during driver probe and
> disabled when the driver is removed. This is currently how the
> downstream MSM kernel sources do this.
>
> Let's not merge this upstream for the mean time until I get the external
> display fully working on the Nexus 5 and then I can submit proper
> support then that powers down this regulator in the power off function.
>
> Signed-off-by: Brian Masney <masn...@onstation.org>
> +static void anx78xx_disable_regulator_action(void *_data)
> +{
> + struct anx78xx_platform_data *pdata = _data;
> +
> + regulator_disable(pdata->avdd33);
> +}
(...)
> + err = devm_add_action(dev, anx78xx_disable_regulator_action,
> + pdata);
Clever idea. Good for initial support, probably later on it would
need to be reworked using runtime PM so it's not constantly
powered up.
See for example how I try to push down power dissipation
of sensors in 3d838118c6aa.
Reviewed-by: Linus Walleij <linus.wall...@linaro.org>
Yours,
Linus Walleij
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