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(parent: af1d486) | patch
ACPI / video: ignore BIOS initial backlight value for HP m4
authorAlex Hung <alex.hung@canonical.com>
Tue, 28 May 2013 02:05:09 +0000 (02:05 +0000)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Sat, 1 Jun 2013 21:52:28 +0000 (23:52 +0200)
commitfedbe9bc6fd3e14b1ffbb3dac407777ac4a3650c
tree1080bf4644007de8a2a588ac079d299608efde4btree | snapshot (tar.gz zip)
parentaf1d486c18bad7820b0ca52b413458914231102ccommit | diff
ACPI / video: ignore BIOS initial backlight value for HP m4

On HP m4 lapops, BIOS reports minimum backlight on boot and
causes backlight to dim completely. This ignores the initial backlight
values and set to max brightness.

References: https://bugs.launchpad.net/bugs/1184501
Cc: All <stable@vger.kernel.org>
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/video.c diff | blob | blame | history
kernel source for telekom puls (alcatel/mediatek)