37 	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER,  in set_aux_backlight_enable()
48 	if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_EDP_DISPLAY_CONTROL_REGISTER,  in set_aux_backlight_enable()
50 		drm_dbg_kms(&i915->drm, "Failed to %s aux backlight\n",  in set_aux_backlight_enable()
61 	if (drm_dp_dpcd_readb(&intel_dp->aux,  in intel_dp_aux_backlight_dpcd_mode()
92 	if (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_BACKLIGHT_BRIGHTNESS_MSB,  in intel_dp_aux_get_backlight()
106  * Sends the current backlight level over the aux channel, checking if its using
124 	if (drm_dp_dpcd_write(&intel_dp->aux, DP_EDP_BACKLIGHT_BRIGHTNESS_MSB,  in intel_dp_aux_set_backlight()
127 			    "Failed to write aux backlight level\n");  in intel_dp_aux_set_backlight()
167 	if (drm_dp_dpcd_writeb(&intel_dp->aux,  in intel_dp_aux_set_pwm_freq()
170 			    "Failed to write aux backlight freq\n");  in intel_dp_aux_set_pwm_freq()
185 	if (drm_dp_dpcd_readb(&intel_dp->aux,  in intel_dp_aux_enable_backlight()
202 		if (drm_dp_dpcd_writeb(&intel_dp->aux,  in intel_dp_aux_enable_backlight()
206 				    "Failed to write aux pwmgen bit count\n");  in intel_dp_aux_enable_backlight()
221 		if (drm_dp_dpcd_writeb(&intel_dp->aux,  in intel_dp_aux_enable_backlight()
224 				    "Failed to write aux backlight mode\n");  in intel_dp_aux_enable_backlight()
248 	if (drm_dp_dpcd_readb(&intel_dp->aux, DP_EDP_PWMGEN_BIT_COUNT, &pn) == 1) {  in intel_dp_aux_calc_max_backlight()
275 	if (drm_dp_dpcd_readb(&intel_dp->aux,  in intel_dp_aux_calc_max_backlight()
281 	if (drm_dp_dpcd_readb(&intel_dp->aux,  in intel_dp_aux_calc_max_backlight()
306 	if (drm_dp_dpcd_writeb(&intel_dp->aux,  in intel_dp_aux_calc_max_backlight()
309 			    "Failed to write aux pwmgen bit count\n");  in intel_dp_aux_calc_max_backlight()
343 	 * the panel can support backlight control over the aux channel  in intel_dp_aux_display_control_capable()
348 		drm_dbg_kms(&i915->drm, "AUX Backlight Control Supported!\n");  in intel_dp_aux_display_control_capable()