linux-kernel - Re: [PATCH 11/13] Documentation: leds: document pattern behavior of Samsung S2M series PMIC RGB LEDs

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Message-ID: <2b5e182f-1933-41b1-803d-7084fbc4bbdc@infradead.org>
Date: Thu, 13 Nov 2025 11:57:58 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Kaustabh Chakraborty <kauschluss@...root.org>, Lee Jones
 <lee@...nel.org>, Pavel Machek <pavel@...nel.org>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, MyungJoo Ham <myungjoo.ham@...sung.com>,
 Chanwoo Choi <cw00.choi@...sung.com>, Sebastian Reichel <sre@...nel.org>,
 Krzysztof Kozlowski <krzk@...nel.org>,
 André Draszik <andre.draszik@...aro.org>,
 Alexandre Belloni <alexandre.belloni@...tlin.com>,
 Jonathan Corbet <corbet@....net>
Cc: linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
 linux-samsung-soc@...r.kernel.org, linux-rtc@...r.kernel.org,
 linux-doc@...r.kernel.org
Subject: Re: [PATCH 11/13] Documentation: leds: document pattern behavior of
 Samsung S2M series PMIC RGB LEDs



On 11/13/25 11:05 AM, Kaustabh Chakraborty wrote:
> Add documentation to describe how hardware patterns (as defined by the
> documentation of led-class-multicolor) are parsed and implemented by the
> Samsung S2M series PMIC RGB LED driver.
> 
> Signed-off-by: Kaustabh Chakraborty <kauschluss@...root.org>
> ---
>  Documentation/leds/index.rst        |  1 +
>  Documentation/leds/leds-s2m-rgb.rst | 60 +++++++++++++++++++++++++++++++++++++
>  2 files changed, 61 insertions(+)
> 

> diff --git a/Documentation/leds/leds-s2m-rgb.rst b/Documentation/leds/leds-s2m-rgb.rst
> new file mode 100644
> index 000000000000..cf91f0238093
> --- /dev/null
> +++ b/Documentation/leds/leds-s2m-rgb.rst
> @@ -0,0 +1,60 @@
> +.. SPDX-License-Identifier: GPL-2.0
> +
> +======================================
> +Samsung S2M Series PMIC RGB LED Driver
> +======================================
> +
> +Description
> +-----------
> +
> +The RGB LED on the S2M series PMIC hardware features a three-channel LED that is
> +grouped together as a single device. Furthermore, the it supports 8-bit

                                           drop the  ^^^

> +brightness control for each channel. This LED is typically used as a status
> +indicator in mobile devices. It also supports various parameters for hardware
> +patterns.

-- 
~Randy