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authorRobert Morell <rmorell@nvidia.com>2011-03-22 16:30:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-22 17:44:00 -0700
commitef0a5e80f56f6409e957e7117da9551c3d3ff239 (patch)
tree718bcc9cbab5ffaeb07d65eb5d0eebbb80af3801 /mm/vmalloc.c
parent0508e04e05cdf9b819210f5d5a12264e5eeff1f3 (diff)
pwm_backlight: add check_fb() hook
In systems with multiple framebuffer devices, one of the devices might be blanked while another is unblanked. In order for the backlight blanking logic to know whether to turn off the backlight for a particular framebuffer's blanking notification, it needs to be able to check if a given framebuffer device corresponds to the backlight. This plumbs the check_fb hook from core backlight through the pwm_backlight helper to allow platform code to plug in a check_fb hook. Signed-off-by: Robert Morell <rmorell@nvidia.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Arun Murthy <arun.murthy@stericsson.com> Cc: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmalloc.c')
0 files changed, 0 insertions, 0 deletions