A22:fix white screen when power_on and resume

diff --git a/arch/arm/mach-rk29/board-rk29-a22.c b/arch/arm/mach-rk29/board-rk29-a22.c
old mode 100755 (executable)
new mode 100644 (file)
index 0768e95..58436bf
--- a/arch/arm/mach-rk29/board-rk29-a22.c
+++ b/arch/arm/mach-rk29/board-rk29-a22.c
@@ -233,6 +233,35 @@ static struct rk29lcd_info rk29_lcd_info = {
     .io_deinit = rk29_lcd_io_deinit,
 };
 
+int rk29_fb_io_enable(void)
+{
+    if(FB_DISPLAY_ON_PIN != INVALID_GPIO)
+    {
+        gpio_direction_output(FB_DISPLAY_ON_PIN, 0);
+        gpio_set_value(FB_DISPLAY_ON_PIN, FB_DISPLAY_ON_VALUE);              
+    }
+    if(FB_LCD_STANDBY_PIN != INVALID_GPIO)
+    {
+        gpio_direction_output(FB_LCD_STANDBY_PIN, 0);
+        gpio_set_value(FB_LCD_STANDBY_PIN, FB_LCD_STANDBY_VALUE);             
+    }
+    return 0;
+}
+
+int rk29_fb_io_disable(void)
+{
+    if(FB_DISPLAY_ON_PIN != INVALID_GPIO)
+    {
+        gpio_direction_output(FB_DISPLAY_ON_PIN, 0);
+        gpio_set_value(FB_DISPLAY_ON_PIN, !FB_DISPLAY_ON_VALUE);              
+    }
+    if(FB_LCD_STANDBY_PIN != INVALID_GPIO)
+    {
+        gpio_direction_output(FB_LCD_STANDBY_PIN, 0);
+        gpio_set_value(FB_LCD_STANDBY_PIN, !FB_LCD_STANDBY_VALUE);             
+    }
+    return 0;
+}
 
 static int rk29_fb_io_init(struct rk29_fb_setting_info *fb_setting)
 {
@@ -278,19 +307,18 @@ static int rk29_fb_io_init(struct rk29_fb_setting_info *fb_setting)
         gpio_direction_output(FB_LCD_CABC_EN_PIN, 0);
         gpio_set_value(FB_LCD_CABC_EN_PIN, GPIO_LOW);
     }
+    rk29_fb_io_enable();   //enable it
 
     return ret;
 }
 
 static struct rk29fb_info rk29_fb_info = {
     .fb_id   = FB_ID,
-    .disp_on_pin = FB_DISPLAY_ON_PIN,
-    .disp_on_value = FB_DISPLAY_ON_VALUE,
-    .standby_pin = FB_LCD_STANDBY_PIN,
-    .standby_value = FB_LCD_STANDBY_VALUE,
     .mcu_fmk_pin = FB_MCU_FMK_PIN,
     .lcd_info = &rk29_lcd_info,
     .io_init   = rk29_fb_io_init,
+    .io_enable = rk29_fb_io_enable,
+    .io_disable = rk29_fb_io_disable,
 };
 
 /* rk29 fb resource */