Re: i915 backlight

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On 2 August 2013 23:25, Felipe Contreras <felipe.contreras@xxxxxxxxx> wrote:
> On Fri, Aug 2, 2013 at 3:11 PM, Josep Lladonosa <jlladono@xxxxxxxxx> wrote:
>> "Before" means with previous kernels that worked with
>>
>> GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor"
>
> That's probably a different issue. You would need to bisect the problem.
>
>> I have not checked this issue with acpi_osi="!Windows 2012".
>
> Please do.

Hello, checking with acpi_osi="!Windows 2012" in the cmdline for
kernel 3.11.0-rc3 (and without the section you gave for the xorg.conf)
i get:

- brightness can be set among 16 levels.
- brightness recovers fine after a standby.
- brightness can be managed before entering xorg (during lightdm
screen, in my case. With the configuration of xorg.conf and
video.brightness_switch_enabled=0 it is not possible, only until xorg
has started).

Josep

>
> --
> Felipe Contreras



-- 
--
Salutacions...Josep
--
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