Message ID | 1379707768-1804-81-git-send-email-kamal@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 7741c22..494fbbf 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -165,7 +165,7 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) max = intel_panel_get_max_backlight(dev); intel_panel_set_backlight(dev, bclp * max / 255); - iowrite32((bclp*0x64)/0xff | ASLE_CBLV_VALID, &asle->cblv); + iowrite32(DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID, &asle->cblv); return 0; }