linux-kernel - Re: [PATCH 1/2] leds: Add driver for Qualcomm LPG

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Date:   Tue, 24 May 2022 00:18:35 +0200
From:   Pavel Machek <pavel@....cz>
To:     Marijn Suijten <marijn.suijten@...ainline.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Richard Purdie <rpurdie@...ys.net>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] leds: Add driver for Qualcomm LPG

On Tue 2022-05-24 00:01:07, Marijn Suijten wrote:
> On 2022-05-23 18:30:38, Pavel Machek wrote:
> > Hi!
> > 
> > > The Light Pulse Generator (LPG) is a PWM-block found in a wide range of
> > > PMICs from Qualcomm. It can operate on fixed parameters or based on a
> > > lookup-table, altering the duty cycle over time - which provides the
> > > means for e.g. hardware assisted transitions of LED brightness.
> > > 
> > > Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> > 
> > I'd really like to see the patch fixing the pattern interface (or
> > disabling it). I don't want to push the tree to Linus with that bug.
> 
> (I couldn't help but be confused for a minute by this being a reply to
> the original v1 patchset from March 2017 :) )
> 
> Does that mean there's still some time to review / pick up [1]
> (LPG enablement for PM660L)?  And even more so for [2] (fixing the use
> of a software-pattern variable in the hardware-pattern code) which
> complements Bjorn's series but hasn't been looked at ever since last
> year.

There's still time if the patches are perfect.

								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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