drm/i915/backlight: handle enabled but zero duty cycle at module load

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Don't consider enabled but zero duty cycle backlight disabled. Clamp
level between min and max for sanity.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1471939811-9817-1-git-send-email-maarten.lankhorst@linux.intel.com
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

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Jani Nikula 2016-08-23 10:10:05 +02:00 • committed by Maarten Lankhorst

parent ce5e2ac1a4

commit 46e69f3982

1 changed files with 24 additions and 16 deletions

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drivers/gpu/drm/i915/intel_panel.c

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