linux-kernel - Re: [PATCH v1 1/8] ARM: dts: imx6qdl-vicut1/vicutgo: Set default backlight brightness to maximum

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Message-ID: <CAJBJ56+bmpmDYP+PP3NN+CKkJT8Ls-FLeUBxFxwNLqVbbgHbOQ@mail.gmail.com>
Date:   Wed, 6 Apr 2022 09:59:17 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        David Jander <david@...tonic.nl>, devicetree@...r.kernel.org,
        Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Robin van der Gracht <robin@...tonic.nl>,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v1 1/8] ARM: dts: imx6qdl-vicut1/vicutgo: Set default
 backlight brightness to maximum

On Wed, Apr 6, 2022 at 9:23 AM Shawn Guo <shawnguo@...nel.org> wrote:
>
> On Mon, Feb 21, 2022 at 10:53:05AM +0100, Oleksij Rempel wrote:
> > From: David Jander <david@...tonic.nl>
> >
> > Recover default behavior of the device and set maximal brightness
> >
> > Signed-off-by: David Jander <david@...tonic.nl>
> > Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> > ---
> >  arch/arm/boot/dts/imx6dl-victgo.dts   | 2 +-
> >  arch/arm/boot/dts/imx6qdl-vicut1.dtsi | 2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/imx6dl-victgo.dts b/arch/arm/boot/dts/imx6dl-victgo.dts
> > index 227c952543d4..e6134efbfabd 100644
> > --- a/arch/arm/boot/dts/imx6dl-victgo.dts
> > +++ b/arch/arm/boot/dts/imx6dl-victgo.dts
> > @@ -28,7 +28,7 @@ backlight: backlight {
> >               pwms = <&pwm1 0 5000000 0>;
> >               brightness-levels = <0 16 64 255>;
> >               num-interpolated-steps = <16>;
> > -             default-brightness-level = <1>;
> > +             default-brightness-level = <48>;
>
> Please take a look at the documentation of the property.
>
>   default-brightness-level:
>     description:
>       The default brightness level (index into the array defined by the
>       "brightness-levels" property).

Ah, never mind, I missed 'num-interpolated-steps' there.

Shawn