linux-kernel - Re: [PATCH v4 2/4] pwm: pwm-cros-ec: add channel type support

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Message-ID: <Ylfs1yhYsFOUwKv4@google.com>
Date:   Thu, 14 Apr 2022 17:43:51 +0800
From:   Tzung-Bi Shih <tzungbi@...nel.org>
To:     Fabio Baltieri <fabiobaltieri@...omium.org>
Cc:     Benson Leung <bleung@...omium.org>,
        Guenter Roeck <groeck@...omium.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Lee Jones <lee.jones@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        chrome-platform@...ts.linux.dev, linux-pwm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/4] pwm: pwm-cros-ec: add channel type support

On Thu, Apr 14, 2022 at 09:28:29AM +0000, Fabio Baltieri wrote:
> Add support for EC_PWM_TYPE_DISPLAY_LIGHT and EC_PWM_TYPE_KB_LIGHT pwm
> types to the PWM cros_ec_pwm driver. This allows specifying one of these
> PWM channel by functionality, and let the EC firmware pick the correct
> channel, thus abstracting the hardware implementation from the kernel
> driver.
> 
> To use it, define the node with the "google,cros-ec-pwm-type"
> compatible.
> 
> Signed-off-by: Fabio Baltieri <fabiobaltieri@...omium.org>

Reviewed-by: Tzung-Bi Shih <tzungbi@...nel.org>