linux-kernel - Re: (subset) [PATCH v11 3/3] leds: Add LED1202 I2C driver

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Message-ID: <20250210170136.GD1868108@google.com>
Date: Mon, 10 Feb 2025 17:01:36 +0000
From: Lee Jones <lee@...nel.org>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Pavel Machek <pavel@....cz>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jonathan Corbet <corbet@....net>, linux-leds@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org,
	Vicentiu Galanopulo <vicentiu.galanopulo@...ote-tech.co.uk>
Subject: Re: (subset) [PATCH v11 3/3] leds: Add LED1202 I2C driver

On Mon, 10 Feb 2025, Lee Jones wrote:

> On Tue, 21 Jan 2025, Geert Uytterhoeven wrote:
> 
> > Hi Lee,
> > 
> > On Thu, Jan 9, 2025 at 11:31 AM Lee Jones <lee@...nel.org> wrote:
> > > On Wed, 18 Dec 2024 18:33:59 +0000, Vicentiu Galanopulo wrote:
> > > > The output current can be adjusted separately for each channel by 8-bit
> > > > analog (current sink input) and 12-bit digital (PWM) dimming control. The
> > > > LED1202 implements 12 low-side current generators with independent dimming
> > > > control.
> > > > Internal volatile memory allows the user to store up to 8 different patterns,
> > > > each pattern is a particular output configuration in terms of PWM
> > > > duty-cycle (on 4096 steps). Analog dimming (on 256 steps) is per channel but
> > > > common to all patterns. Each device tree LED node will have a corresponding
> > > > entry in /sys/class/leds with the label name. The brightness property
> > > > corresponds to the per channel analog dimming, while the patterns[1-8] to the
> > > > PWM dimming control.
> > > >
> > > > [...]
> > >
> > > Applied, thanks!
> > >
> > > [3/3] leds: Add LED1202 I2C driver
> > >       commit: 939757aafeb9c266dda37657ee5f7a73ffd35ae2
> > 
> > You also have commit 259230378c65ebb6 ("leds: Add LED1202 I2C driver")
> > in mfd/for-mfd-next, which dropped the change to drivers/leds/Makefile,
> > and changed the Link:-tag to point to the older version v10?
> 
> Interesting.  Not sure I noticed and if I did, I must have fixed it.
> 
> This is the commit that made it in:
> 
>   939757aafeb9 ("leds: Add LED1202 I2C driver")

Scratch that - looks like:

  259230378c65 ("leds: Add LED1202 I2C driver")

... also made it in.  However the Makefile line survived:

  drivers/leds/Makefile:obj-$(CONFIG_LEDS_ST1202)         += leds-st1202.o

Did anything break or is all as expected?

-- 
Lee Jones [李琼斯]