linux-kernel - Re: [PATCH v3 0/3] PWM backlight interpolation adjustments

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Message-Id: <160424139256.1224767.4744407641354846090.b4-ty@sntech.de>
Date:   Sun,  1 Nov 2020 16:33:41 +0100
From:   Heiko Stuebner <heiko@...ech.de>
To:     Alexandru Stan <amstan@...omium.org>,
        Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>,
        Andy Gross <agross@...nel.org>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:     Heiko Stuebner <heiko@...ech.de>, linux-pwm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        Matthias Kaehlcke <mka@...omium.org>,
        linux-arm-msm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/3] PWM backlight interpolation adjustments

On Wed, 21 Oct 2020 22:04:42 -0700, Alexandru Stan wrote:
> I was trying to adjust the brightness-levels for the trogdor boards:
> https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2291209
> Like on a lot of panels, trogdor's low end needs to be cropped,
> and now that we have the interpolation stuff I wanted to make use of it
> and bake in even the curve that's customary to have on chromebooks.
> 
> I found the current behavior of the pwm_bl driver a little unintuitive
> and non-linear. See patch 1 for a suggested fix for this.
> 
> [...]

Applied, thanks!

[1/1] ARM: dts: rockchip: Remove 0 point from brightness-levels on rk3288-veyron
      commit: 225c59b9235a421cdb219be5fbc13126a49714a6

Best regards,
-- 
Heiko Stuebner <heiko@...ech.de>