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(parent: 688461c) | 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)
commit4f6aff3fcf27d9f2c511f8350eccfc506d7dd011
tree1080bf4644007de8a2a588ac079d299608efde4btree | snapshot
parent688461c5f39575a75856d3ed6ed2b9b0ba0adf45commit | 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 | history
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