Simplify lcd invert

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26353 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 3 insertions, 11 deletions

diff --git a/firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c b/firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c
index 5a4c58f5b3..438020fb68 100644
--- a/firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c
+++ b/firmware/target/arm/as3525/sansa-e200v2/lcd-e200v2.c
@@ -79,11 +79,6 @@ static bool display_on = false; /* is the display turned on? */
 #define R_ENTRY_MODE_VERT 0x7038
 #define R_ENTRY_MODE_SOLID_VERT  0x1038
 
-/* Reverse Flag */
-#define R_DISP_CONTROL_NORMAL 0x0004
-#define R_DISP_CONTROL_REV    0x0000
-static unsigned short r_disp_control_rev = R_DISP_CONTROL_NORMAL;
-
 static inline void lcd_delay(int x)
 {
     do {
@@ -148,12 +143,9 @@ void lcd_set_contrast(int val)
 
 void lcd_set_invert_display(bool yesno)
 {
-    r_disp_control_rev = yesno ? R_DISP_CONTROL_REV :
-                                 R_DISP_CONTROL_NORMAL;
-
     if (display_on)
     {
-        lcd_write_reg(R_DISP_CONTROL1, 0x0033 | r_disp_control_rev);
+        lcd_write_reg(R_DISP_CONTROL1, yesno ? 0x33 : 0x37);
     }
 
 }
@@ -195,7 +187,7 @@ static void _display_on(void)
     lcd_write_reg(R_COMPARE_REG2, 0);
 
     /* GON = 0, DTE = 0, D1-0 = 00b */
-    lcd_write_reg(R_DISP_CONTROL1, 0x0000 | r_disp_control_rev);
+    lcd_write_reg(R_DISP_CONTROL1, 0x0000);
 
     /* Front porch lines: 2; Back porch lines: 2; */
     lcd_write_reg(R_DISP_CONTROL2, 0x0203);
@@ -269,7 +261,7 @@ static void _display_on(void)
     lcd_write_reg(R_1ST_SCR_DRV_POS, (LCD_HEIGHT-1) << 8);
     lcd_write_reg(R_2ND_SCR_DRV_POS, (LCD_HEIGHT-1) << 8);
 
-    lcd_write_reg(R_DISP_CONTROL1, 0x0033 | r_disp_control_rev);
+    lcd_write_reg(R_DISP_CONTROL1, 0x0037);
 
     display_on = true;  /* must be done before calling lcd_update() */
     lcd_update();