Re: [PATCH] backlight: pwm_bl: Fix condition to set enable gpio as output
From: Geert Uytterhoeven
Date: Thu Apr 20 2017 - 06:16:50 EST
Hi Daniel,
On Thu, Apr 20, 2017 at 11:55 AM, Daniel Thompson
<daniel.thompson@xxxxxxxxxx> wrote:
> On 18/04/17 09:46, Paul Kocialkowski wrote:
>> Le lundi 17 avril 2017 Ã 21:36 +0200, Geert Uytterhoeven a Ãcrit :
>>> On Mon, Apr 17, 2017 at 5:38 PM, Paul Kocialkowski <contact@xxxxxxxx>
>>> wrote:
>>>> Le dimanche 16 avril 2017 Ã 22:55 +0200, Geert Uytterhoeven a Ãcrit :
>>>>> On Sun, Apr 16, 2017 at 12:35 PM, Paul Kocialkowski <contact@xxxxxxxx>
>>>>> wrote:
>>>>>>
>>>>>> The move to a dedicated pwm_backlight_initial_power_state function in
>>>>>> commit 7613c922315e308a6486d802abed2eb74443dffd modified the condition
>>>>>> to set the enable gpio as output. This breaks specific use cases using
>>>>>> that GPIO, such as tegra124-based nyan Chromebooks where backlight
>>>>>> stopped working.
>>>>>>
>>>>>> This puts the condition back to the way it was before the move.
>>>>>>
>>>>>> Signed-off-by: Paul Kocialkowski <contact@xxxxxxxx>
>>>>>
>>>>> Does "[PATCH v2] backlight: pwm_bl: Fix GPIO out for unimplemented
>>>>> .get_direction()"
>>>>> (https://lkml.org/lkml/2017/4/4/225) fix your issue?
>>>>
>>>> This definitely solves the issue!
>>>>
>>>> Since this fixes broken backlight (that, in turn, makes systems
>>>> unusable),
>>>> perhaps this should be included in the next rc cycle?
>>>
>>> You mean v4.11 final, as there probably won't be another rc?
>>> Yes!
>>
>> I'm all for it!
>
> Thanks for keeping our attention on this. I sent a PR yesterday (and hope my
> GPG key has attracted enough signatures).
Thank you, this morning I had already noticed it went upstream.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds