linux-kernel - Re: [PATCH] Input: cyttsp - use devm_regulator_bulk_get

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Message-ID: <CACRpkdYV3AZLLShnnstKK8SrenDoWzhnC9XO13OUWKgWgG7CKQ@mail.gmail.com>
Date: Mon, 5 Aug 2024 10:16:22 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: cyttsp - use devm_regulator_bulk_get_enable()

On Mon, Aug 5, 2024 at 2:45 AM Dmitry Torokhov
<dmitry.torokhov@...il.com> wrote:

> The driver does not try to power down the rails at system suspend or
> when touchscreen is not in use, but rather enables regulators at probe
> time. Power savings are achieved by requesting the controller to enter
> low power mode.
>
> Switch to devm_regulator_bulk_get_enable() instead of separately
> requesting regulators, enabling them, and installing a custom
> devm-action to disable them on unbind/remove, which simplifies the
> code.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij