From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
The VBT backlight entries include various fields for i2c
controlled backlights. These have been obsoleted at some
unknown point in time, but let's define them anyway so that
we have a full picture of what has been in there.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_vbt_defs.h | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index 5da8ae407dfd..bcd1b239eb65 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -881,11 +881,12 @@ struct bdb_lvds_lfp_data_tail {
struct lfp_backlight_data_entry {
u8 type:2;
u8 active_low_pwm:1;
- u8 obsolete1:5;
+ u8 i2c_pin:3; /* obsolete since ? */
+ u8 i2c_speed:2; /* obsolete since ? */
u16 pwm_freq_hz;
u8 min_brightness; /* ???-233 */
- u8 obsolete2;
- u8 obsolete3;
+ u8 i2c_address; /* obsolete since ? */
+ u8 i2c_command; /* obsolete since ? */
} __packed;
struct lfp_backlight_control_method {
--
2.43.2
