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authorMatt DeVillier <matt.devillier@gmail.com>2017-09-01 14:15:08 -0500
committerMartin Roth <martinroth@google.com>2017-09-16 22:34:11 +0000
commita21d0a1073907b5a87fd31fa195456523d616165 (patch)
tree4d00e69454c0f4dd6b5dbc54331fa321b07802b5 /util/viatool/cpu.c
parent6a878a1f24ae77587ade58c35d723362845b2aff (diff)
google/lulu,gandof: set kb backlight on boot
Set keyboard backlight to 75% on boot, except when resuming from S3. This enables the backlight at a reasonable level prior to the OS driver taking over, providing early proof-of-life and enhanced usability in grub etc. Uses same method as other google boards with a keyboard backlight (chell, link, samus). 75% value determined based on user feedback. TEST: boot google/lulu,gandof boards, observe keyboard backlight enabled in pre-OS environment. Change-Id: I7ed59289419af21764b1b5bd0a534d3b630c6c6b Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/21330 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'util/viatool/cpu.c')
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