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| author | Jani Nikula | 2014-08-12 16:11:42 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2014-09-03 10:54:21 +0200 |
| commit | e6755fb78e8f20ecadf2a4080084121336624ad9 (patch) | |
| tree | 8f80a5e615fbe8ca3c698974d17d426f0d9c27fb /drivers/gpu/drm/i915/intel_panel.c | |
| parent | drm/i915/dp: make backlight bl_power control power sequencer backlight (diff) | |
| download | kernel-qcow2-linux-e6755fb78e8f20ecadf2a4080084121336624ad9.tar.gz kernel-qcow2-linux-e6755fb78e8f20ecadf2a4080084121336624ad9.tar.xz kernel-qcow2-linux-e6755fb78e8f20ecadf2a4080084121336624ad9.zip | |
drm/i915: switch off backlight for backlight class 0 brightness
Make backlight class sysfs brightness 0 value switch off the backlight
for connectors that have the backlight_power callback defined. For eDP,
this has the similar caveats regarding power savings as bl_power as only
the power sequencer backlight control is switched off.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed_by: Clinton Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index af5435634929..764f9283e572 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -986,7 +986,8 @@ static int intel_backlight_device_update_status(struct backlight_device *bd) */ if (panel->backlight.enabled) { if (panel->backlight_power) { - bool enable = bd->props.power == FB_BLANK_UNBLANK; + bool enable = bd->props.power == FB_BLANK_UNBLANK && + bd->props.brightness != 0; panel->backlight_power(connector, enable); } } else { |