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Date: Sat, 3 Aug 2013 00:23:00 +0200 From: Josep Lladonosa <jlladono@...il.com> To: Felipe Contreras <felipe.contreras@...il.com> Cc: "Rafael J. Wysocki" <rjw@...k.pl>, Borislav Petkov <bp@...en8.de>, intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, lkml <linux-kernel@...r.kernel.org>, ACPI Devel Maling List <linux-acpi@...r.kernel.org> Subject: Re: i915 backlight On 2 August 2013 23:25, Felipe Contreras <felipe.contreras@...il.com> wrote: > On Fri, Aug 2, 2013 at 3:11 PM, Josep Lladonosa <jlladono@...il.com> 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 -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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