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Date:      Sun, 19 Oct 2014 18:05:45 -0700
From:      Renato Aguiar <renato@aguiar.info>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, Lars Engels <lars.engels@0x20.net>, Wojciech Puchar <wojtek@puchar.net>
Subject:   Re: help with backlight control and memory
Message-ID:  <86bnp7tuix.fsf@aguiar.info>
In-Reply-To: <CAJ-VmokW=cJaisC0-7%2Bc0UmdSfVZBxUhHKJ_q%2BrazZUFDE288w@mail.gmail.com>
References:  <alpine.BSF.2.11.1410161415440.39168@laptop> <CAJ-VmokRqoBj_jqcvtJ1WOMYX_Vu3G5Tx6ZGxocY0Xz9xyUYNA@mail.gmail.com> <alpine.BSF.2.11.1410182303050.756@laptop> <20141019102848.GR72082@e-new.0x20.net> <86d29ot9dg.fsf@aguiar.info> <CAJ-VmokW=cJaisC0-7%2Bc0UmdSfVZBxUhHKJ_q%2BrazZUFDE288w@mail.gmail.com>

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Hi Adrian,

No, I switched back to stable branch some months ago. I'm currently
using 10.1-RC2. I've tried to test using snapshot install image, but my
screen goes blank when I try to load i915kms without running Xorg.

Is the xbacklight tool working for you on X230 as well?

Thanks,

Adrian Chadd writes:

> Is this running the latest -HEAD?
>
> Yes, some extra code was glued into the i915kms / drm2 code from Linux
> that correctly selected the right video output device for the
> brightness controls. (the opcontrol patch that I committed a couple
> months back.)
>
> The buttons don't work on my X series laptop, but the sysctl does. the
> buttons work for others on  other X series laptops. It's likely some
> more ACPI and i915kms things need porting.
>
>
>
> -a
>
>
> On 19 October 2014 07:34, Renato Aguiar <renato@aguiar.info> wrote:
>> Hi Lars,
>>
>> On my X230 I only can change brightness calling acpi directly using
>> acpi_call. Did you make some additional configuration to be able to use
>> sysctl to control brightness?
>>
>> Thanks,
>>
>> Lars Engels writes:
>>
>>> On Sat, Oct 18, 2014 at 11:03:38PM +0200, Wojciech Puchar wrote:
>>>> tried. jsut after kernel is loaded backlight control keys stops working.
>>>> tried loading every acpi_* kernel module that is available, with no
>>>> results
>>>
>>> On my X230 running HEAD brightness keys only work when acpi_video.ko is
>>> _not_ loaded. When it is loaded, I can control brightness with sysctl,
>>> though.
>>
>> --
>> Renato Aguiar
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-- 
Renato Aguiar



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