linux-kernel - Re: [PATCH v6 3/3] drm/bridge: ti-sn65dsi86: Implement the pwm

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Message-ID: <CAD=FV=UZoZ6amH9KfJOMWy9AHfGOuEpCPJYDy5YCtks6WqVkLw@mail.gmail.com>
Date:   Fri, 8 Oct 2021 14:37:52 -0700
From:   Doug Anderson <dianders@...gle.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Robert Foss <robert.foss@...aro.org>
Cc:     Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        "Uwe Kleine-K?nig" <u.kleine-koenig@...gutronix.de>,
        Lee Jones <lee.jones@...aro.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-pwm <linux-pwm@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v6 3/3] drm/bridge: ti-sn65dsi86: Implement the pwm_chip

Hi,

On Wed, Oct 6, 2021 at 8:51 PM Bjorn Andersson
<bjorn.andersson@...aro.org> wrote:
>
> On Wed 29 Sep 20:05 PDT 2021, Bjorn Andersson wrote:
>
> > The SN65DSI86 provides the ability to supply a PWM signal on GPIO 4,
> > with the primary purpose of controlling the backlight of the attached
> > panel. Add an implementation that exposes this using the standard PWM
> > framework, to allow e.g. pwm-backlight to expose this to the user.
> >
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
>
> Any feedback on this?

I feel like Uwe and you have spent enough time on all the math and it
is clearly working well for you, so I continued to not dive deep into
it. However, in general I think this has been spun enough and it's
ready / beneficial to land.

It sounds like Robert has agreed to do the honors (assuming Uwe acks
patch #1) and that suits me fine.

Reviewed-by: Douglas Anderson <dianders@...omium.org>