dev: gcdb: pass the backlight config to target API

Pass backlight configuration to target API to access
backlight type, pwm gpio information, lpg channel
and other backlight properties.

Change-Id: I7ae975abb38a57bab6057a42bbac4507476d2300
diff --git a/dev/gcdb/display/gcdb_display.h b/dev/gcdb/display/gcdb_display.h
index 4811015..20eee88 100755
--- a/dev/gcdb/display/gcdb_display.h
+++ b/dev/gcdb/display/gcdb_display.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -49,7 +49,7 @@
 /* API                                                                       */
 /*---------------------------------------------------------------------------*/
 
-int target_backlight_ctrl(uint8_t enable);
+int target_backlight_ctrl(struct backlight *bl, uint8_t enable);
 int target_panel_clock(uint8_t enable, struct msm_panel_info *pinfo);
 int target_panel_reset(uint8_t enable, struct panel_reset_sequence *resetseq,
 						struct msm_panel_info *pinfo);