Hello, Yes, it works! I get now 11 levels from all black to the brightest. acpi_listen shows messages Josep On 2 August 2013 08:36, Aaron Lu <aaron.lu@xxxxxxxxx> wrote: > On 08/02/2013 02:25 PM, Josep Lladonosa wrote: >> Hello, >> >> I am using a Lenovo Edge E530 and, with kernel 3.11.0-rc3, I had to >> change to this parameter to the kernel boot: >> >> >> GRUB_CMDLINE_LINUX="acpi_osi=\"!Windows 2012\"" > > What if you remove the above from kernel command line, and add > video.brightness_switch_enabled=0 to kernel command line, then set the > following in xorg.conf: > $ cat /etc/X11/xorg.conf > Section "Device" > Option "Backlight" "intel_backlight" > Identifier "Card0" > Driver "intel" > BusID "PCI:0:2:0" > EndSection > > Does everything work? > > If not, please test if manually change brightness level through sysfs > works: > # cd /sys/calss/backlight/intel_backlight > # echo xxx > brightness > > And also test if hotkey event is sent out or not by running acpi_listen > and then press the hotkey. > > Thanks, > Aaron > >> >> >> instead of previous >> >> GRUB_CMDLINE_LINUX="acpi_osi=Linux acpi_backlight=vendor" >> >> to be able to change brightness. In some kernel versions before, it >> worked, but with 15 levels, but in graphical system brightness bar was >> not moving. >> >> >> Now I have, though, 8 possible values for brightness and brightness >> bar shows its correct position. >> >> Josep >> >> On 2 August 2013 08:00, Aaron Lu <aaron.lu@xxxxxxxxx> wrote: >>> On 08/01/2013 04:07 PM, Borislav Petkov wrote: >>>> On Wed, Jul 31, 2013 at 11:16:52PM +0200, Rafael J. Wysocki wrote: >>>>> Does reverting efaa14c help? >>>> >>>> Nope. >>>> >>>> But see my other reply to Aaron. >>> >>> Assume you have specified to use intel_backlight in xorg.conf, does >>> booting with video.brightness_switch_enabled=0 help? >>> >>> Thanks, >>> Aaron >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> Please read the FAQ at http://www.tux.org/lkml/ >> >> >> > -- -- Salutacions...Josep -- _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
