linux-kernel - Re: [PATCH 0/4] Add a generic driver for LED-based backlight

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Date:   Fri, 5 Jul 2019 13:34:45 +0200
From:   Jean-Jacques Hiblot <jjhiblot@...com>
To:     Pavel Machek <pavel@....cz>
CC:     <jacek.anaszewski@...il.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <lee.jones@...aro.org>,
        <daniel.thompson@...aro.org>, <jingoohan1@...il.com>,
        <dmurphy@...com>, <linux-leds@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <tomi.valkeinen@...com>
Subject: Re: [PATCH 0/4] Add a generic driver for LED-based backlight


On 05/07/2019 12:14, Pavel Machek wrote:
> On Mon 2019-07-01 17:14:19, Jean-Jacques Hiblot wrote:
>>
>> This series takes it from there and implements the binding that was
>> discussed in https://patchwork.kernel.org/patch/7293991/. In this new
>> binding the backlight device is a child of the LED controller instead of
>> being another platform device that uses a phandle to reference a LED.
> Other option would be to have backlight trigger. What are
> advantages/disadvantages relative to that?

I don't know how this would fit in the model where multiple panels are 
used, each with its own backlight.

Also the notification is only about blanking.

> 									Pavel
>