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| author | Michał Kępień <kernel@kempniu.pl> | 2017-04-05 09:49:09 +0300 |
|---|---|---|
| committer | Darren Hart (VMware) <dvhart@infradead.org> | 2017-04-13 20:16:07 +0300 |
| commit | 5959ddd02be4e435da866ee065187f5c8bccea28 (patch) | |
| tree | 4f780c19b952940d783fdc501ab6d9cd6cc4b8c6 /drivers/isdn/gigaset | |
| parent | d75a4a972ad1ed6d1326c63ae2fb0f9586161b4d (diff) | |
| download | linux-5959ddd02be4e435da866ee065187f5c8bccea28.tar.xz | |
platform/x86: fujitsu-laptop: account for backlight power when determining brightness
The comment for the get_brightness backlight device callback in
include/linux/backlight.h states that it should "return the current
backlight brightness (accounting for power, fb_blank etc.)".
fujitsu-laptop violates that premise by simply returning the value to
which ACPI function GBLL evaluates to. Make sure 0 is returned when
backlight power is turned off.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Reviewed-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
Diffstat (limited to 'drivers/isdn/gigaset')
0 files changed, 0 insertions, 0 deletions