From a95c4933c4ef7631c077fc040076e71c8d46209a Mon Sep 17 00:00:00 2001
From: Joel Bodenmann <joel@unormal.org>
Date: Tue, 13 Nov 2012 23:54:50 +0100
Subject: [PATCH] Backlight fix

---
 drivers/gdisp/ILI9320/gdisp_lld.c |  7 +++----
 include/gdisp.h                   |  4 ++--
 src/gdisp.c                       | 18 ------------------
 3 files changed, 5 insertions(+), 24 deletions(-)

diff --git a/drivers/gdisp/ILI9320/gdisp_lld.c b/drivers/gdisp/ILI9320/gdisp_lld.c
index 4b485d79..7b9eda27 100644
--- a/drivers/gdisp/ILI9320/gdisp_lld.c
+++ b/drivers/gdisp/ILI9320/gdisp_lld.c
@@ -508,10 +508,9 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
 				return;
 
 			case GDISP_CONTROL_BACKLIGHT:
-				if(GDISP.Backlight == (*(uint8_t*)value))
-					return;
-				GDISP_LLD(set_backlight)(*(uint8_t*)value);
-				GDISP.Backlight = (*(uint8_t*)value);
+				if((unsigned)value > 100) value = (void *)100;
+				GDISP_LLD(set_backlight)((unsigned)value);
+				GDISP.Backlight = (unsigned)value;
 				break;
 			
 			default:
diff --git a/include/gdisp.h b/include/gdisp.h
index f92ac8ac..760f14f6 100644
--- a/include/gdisp.h
+++ b/include/gdisp.h
@@ -287,8 +287,6 @@ void gdispDrawBox(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color);
 	void gdispPackPixels(const pixel_t *buf, coord_t cx, coord_t x, coord_t y, color_t color);
 #endif
 
-void gdispSetBacklight(uint8_t percentage);
-void gdispSetContrast(uint8_t percentage);
 /* 
  * Macro definitions
  */
@@ -298,6 +296,8 @@ void gdispSetContrast(uint8_t percentage);
 /* Macro definitions for common gets and sets */
 #define gdispSetPowerMode(powerMode)			gdispControl(GDISP_CONTROL_POWER, (void *)(unsigned)(powerMode))
 #define gdispSetOrientation(newOrientation)		gdispControl(GDISP_CONTROL_ORIENTATION, (void *)(unsigned)(newOrientation))
+#define gdispSetBacklight(percent)				gdispControl(GDISP_CONTROL_BACKLIGHT, (void *)(unsigned)(percent))
+#define gdispSetContrast(percent)				gdispControl(GDISP_CONTROL_CONTRAST, (void *)(unsigned)(percent))
 
 #define gdispGetWidth()							((coord_t)(unsigned)gdispQuery(GDISP_QUERY_WIDTH))
 #define gdispGetHeight()						((coord_t)(unsigned)gdispQuery(GDISP_QUERY_HEIGHT))
diff --git a/src/gdisp.c b/src/gdisp.c
index ddcf8546..81c06599 100644
--- a/src/gdisp.c
+++ b/src/gdisp.c
@@ -1267,24 +1267,6 @@ void gdispDrawBox(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
 	}
 #endif
 
-/**
- * @brief	Control backlight brightness
- *
- * @param[in] percentage	The percentage of the brightness (0 to 100)
- */
-void gdispSetBacklight(uint8_t percentage) {
-	gdispControl(GDISP_CONTROL_BACKLIGHT, (void*)&percentage);
-}
-
-/**
- * @brief	Control display contrast
- *
- * @param[in] percentage	The percentage of the contrast
- */
-void gdispSetPercentage(uint8_t percentage){
-	gdispControl(GDISP_CONTROL_CONTRAST, (void*)&percentage);
-}
-
 #endif /* GFX_USE_GDISP */
 
 #endif /* _GDISP_C */