From 9a41e17de38e8528816598e728f784da68df17f7 Mon Sep 17 00:00:00 2001 From: Deepak M Date: Tue, 26 Apr 2016 16:14:24 +0300 Subject: drm/i915: Parse LFP brightness control field in VBT These fields in VBT indicates the PWM source which is used and also the controller number. v2 by Jani: check for out of bounds access, some renames, change default type, etc. v3 by Jani: s/INTEL_BACKLIGHT_CABC/INTEL_BACKLIGHT_DSI_DCS/ Signed-off-by: Deepak M Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/eee2f7b683a081f006a7df1ddad9b20fbf53c48c.1461676337.git.jani.nikula@intel.com --- drivers/gpu/drm/i915/intel_vbt_defs.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/i915/intel_vbt_defs.h') diff --git a/drivers/gpu/drm/i915/intel_vbt_defs.h b/drivers/gpu/drm/i915/intel_vbt_defs.h index 9ff1e960d617..a4a42f254c35 100644 --- a/drivers/gpu/drm/i915/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/intel_vbt_defs.h @@ -446,10 +446,16 @@ struct bdb_lfp_backlight_data_entry { u8 obsolete3; } __packed; +struct bdb_lfp_backlight_control_method { + u8 type:4; + u8 controller:4; +} __packed; + struct bdb_lfp_backlight_data { u8 entry_size; struct bdb_lfp_backlight_data_entry data[16]; u8 level[16]; + struct bdb_lfp_backlight_control_method backlight_control[16]; } __packed; struct aimdb_header { -- cgit v1.2.3-55-g7522