drm/radeon: add get_backlight_level callback

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Read back the backlight level from the hw.
Needed for proper backlight restoration on resume.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Alex Deucher 2012-09-14 09:59:26 -04:00

parent 2e3b3b105a

commit 6d92f81dcf

5 changed files with 49 additions and 0 deletions

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12

drivers/gpu/drm/radeon/atombios_encoders.c

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3

drivers/gpu/drm/radeon/radeon.h

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19

drivers/gpu/drm/radeon/radeon_asic.c

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2

drivers/gpu/drm/radeon/radeon_asic.h

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13

drivers/gpu/drm/radeon/radeon_legacy_encoders.c

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