Ubuntu
linux-source-2.6.22 package

  1. Bug #173652
  2. Comment #116

Comment 116 for bug 173652

Revision history for this message
Eric Donkersloot (ericd) wrote : Re: Unable to adjust screen brightness on recent Sony Vaio notebooks, Intel GMA adapter

The above solution is not for Vaio owners with an Intel chipset I guess, the hotkeys still do no work on my laptop, running up-to-date Intrepid:

ericd@vaiopro:~$ grep . -r /var/lib/acpi-support/*-*
/var/lib/acpi-support/bios-version:R0290Q1
/var/lib/acpi-support/system-manufacturer:Sony Corporation
/var/lib/acpi-support/system-product-name:VGN-BZ12XN
/var/lib/acpi-support/system-version:C102QZ98

ericd@vaiopro:~$ lspci -nn |grep -i vga
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)