From: Ville Syrjälä Date: Thu, 21 Mar 2024 16:18:05 +0000 (+0200) Subject: drm/i915/bios: Define the (obsolete) backlight i2c VBT stuff X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=79decf6635bd648d652c0884783343273544b91e;p=linux.git drm/i915/bios: Define the (obsolete) backlight i2c VBT stuff 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 Link: https://patchwork.freedesktop.org/patch/msgid/20240321161806.31714-5-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 5da8ae407dfda..bcd1b239eb65d 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 {