On Thu, 21 Mar 2024, Ville Syrjala <[email protected]> wrote: > 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]>
Reviewed-by: Jani Nikula <[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 { -- Jani Nikula, Intel
