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CHROMIUM: i915: fix max backlight in normal mode

Message ID 1376613069-15790-38-git-send-email-james.ausmus@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

James Ausmus Aug. 16, 2013, 12:31 a.m. UTC 
From: Sonny Rao <sonnyrao@chromium.org>

Fix the setting of max backlight value in the case where there's no VBIOS.
The earlier port of CHROMIUM: drivers: i915: Default backlight PWM frequency
missed this case.

BUG=chromium:244616
TEST=test lumpy at max brightness and make sure the backlight stays on

Change-Id: I24550c01605618c722a985c84e80a69756408f09
Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/58337
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
---
 drivers/gpu/drm/i915/intel_panel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index f5e4be1..bacdf69 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -224,7 +224,7 @@  u32 intel_panel_get_max_backlight(struct drm_device *dev)
 		 * default backlight PWM settings.
 		 */
 		i915_set_default_max_backlight(dev);
-		max = i915_read_blc_pwm_ctl(dev);
+		max = _intel_panel_get_max_backlight(dev);
 	}
 
 	DRM_DEBUG_DRIVER("max backlight PWM = %d\n", max);