sm7325: techpack: msm: samsung: properly enable/disable HBM

* In some rare cases the backlight brightness would be reset to what HBM brightness was, locking our brightness at a high level Signed-off-by: Simon1511 <[email protected]> Change-Id: I578cfe4e052e621fc0fc21bdfd2a651c6aa4d269
retrozenith · Nov 13, 2024 · 7e89678 · 7e89678
1 parent c38677e
commit 7e89678
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/techpack/display/msm/samsung/ss_dsi_panel_common.c b/techpack/display/msm/samsung/ss_dsi_panel_common.c
@@ -6510,7 +6510,7 @@ int ss_brightness_dcs(struct samsung_display_driver_data *vdd, int level, int ba
 			vdd->br_info.common_br.finger_mask_hbm_on = true;
 			backup_acl = vdd->br_info.acl_status;
 
-			if (vdd->finger_mask_updated) /* do not backup br.bl_level at on to on */
+			if (vdd->finger_mask_updated && vdd->br_info.common_br.bl_level != vdd->br_info.common_br.finger_mask_bl_level) /* do not backup br.bl_level at on to on */
 				backup_bl_level = vdd->br_info.common_br.bl_level;
 			level = vdd->br_info.common_br.finger_mask_bl_level;
 			vdd->br_info.acl_status = 0;