From: Ville Syrjälä <[email protected]>

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 <[email protected]>
---
 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

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