A22:modify the backlight interface for charger display

diff --git a/drivers/video/backlight/aw9364_bl.c b/drivers/video/backlight/aw9364_bl.c
index 4187df158d742d78c66a3a6fd9000f836e78b931..72d23e513cafd60d4a32344ff05119a23a2187eb 100755 (executable)
--- a/drivers/video/backlight/aw9364_bl.c
+++ b/drivers/video/backlight/aw9364_bl.c
@@ -51,17 +51,6 @@ static struct backlight_device *g_aw9364_bl;
 static struct aw9364_backlight_data *g_aw9364_data;
 #endif
 
-int rk29_backlight_ctrl(int open)
-{
-       if(open)
-               gpio_direction_output(g_aw9364_data->pin_en, GPIO_HIGH);
-       else
-               gpio_direction_output(g_aw9364_data->pin_en, GPIO_LOW);
-       mdelay(3);
-       return 0;
-}
-
-
 static int aw9364_backlight_set(struct backlight_device *bl, int brightness)
 {
        struct aw9364_backlight_data *data = bl_get_data(bl);
@@ -95,7 +84,7 @@ static int aw9364_backlight_set(struct backlight_device *bl, int brightness)
        DBG("%s:current_bl=%d,bl=%d,num_clk_to=%d,num_clk_from=%d,num_clk=%d\n",__FUNCTION__,
                data->current_brightness,brightness,num_clk_to,num_clk_from,num_clk);
 
-       if(num_clk)
+       if((num_clk) || (brightness < 16))
        data->current_brightness = brightness;
        
        return 0;
@@ -168,6 +157,19 @@ static void aw9364_bl_resume(struct early_suspend *h)
 }
 
 #endif
+
+
+int rk29_backlight_ctrl(int open)
+{
+       if(open)
+               g_aw9364_data->suspend_flag = 0;
+       else
+               g_aw9364_data->suspend_flag = 1;
+
+       backlight_update_status(g_aw9364_bl);
+       return 0;
+}
+
 static int aw9364_backlight_probe(struct platform_device *pdev)
 {
        struct aw9364_backlight_data *data;