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| author | Matthew Garrett <mjg@redhat.com> | 2011-03-22 16:30:27 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-22 17:44:00 -0700 |
| commit | 99fd28e19429f5212f0758adc1b2f08c6e63b6db (patch) | |
| tree | 9d9139fa58c28b1f8a40b77df7b839bc70c59a25 /drivers/telephony/Kconfig | |
| parent | 23a9847f0d5252872c4fecb5d4f803c523bd9283 (diff) | |
| download | linux-99fd28e19429f5212f0758adc1b2f08c6e63b6db.tar.bz2 | |
mbp_nvidia_bl: check that the backlight control functions
The SMI-based backlight control functionality may fail to work if the
system is running under EFI rather than BIOS. Check that the hardware
responds as expected, and exit if it doesn't.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Cc: Mourad De Clerck <mourad@aquazul.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/telephony/Kconfig')
0 files changed, 0 insertions, 0 deletions