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Index: linux-2.6.14/drivers/video/backlight/s3c2410_lcd.c
===================================================================
--- linux-2.6.14.orig/drivers/video/backlight/s3c2410_lcd.c
+++ linux-2.6.14/drivers/video/backlight/s3c2410_lcd.c
@@ -248,10 +248,75 @@ static int s3c2410bl_remove(struct devic
}
+#ifdef CONFIG_PM
+
+static int s3c2410bl_suspend(struct device *dev, pm_message_t state)
+{
+ struct s3c2410_bl_mach_info *info =
+ (struct s3c2410_bl_mach_info *)dev->platform_data;
+
+ if (info) {
+ if (info->backlight_power)
+ info->backlight_power(0);
+ if (info->lcd_power)
+ info->lcd_power(0);
+ }
+
+ return 0;
+}
+
+static int s3c2410bl_resume(struct device *dev)
+{
+ struct s3c2410_bl_mach_info *info =
+ (struct s3c2410_bl_mach_info *)dev->platform_data;
+
+ if (info) {
+ if (info->lcd_power) {
+ switch(info->lcd_power_value) {
+ case FB_BLANK_NORMAL:
+ case FB_BLANK_POWERDOWN:
+ info->lcd_power(0);
+ break;
+ default:
+ case FB_BLANK_VSYNC_SUSPEND:
+ case FB_BLANK_HSYNC_SUSPEND:
+ case FB_BLANK_UNBLANK:
+ info->lcd_power(1);
+ break;
+ }
+ }
+ if (info->backlight_power) {
+ switch(info->backlight_power_value) {
+ case FB_BLANK_NORMAL:
+ case FB_BLANK_VSYNC_SUSPEND:
+ case FB_BLANK_HSYNC_SUSPEND:
+ case FB_BLANK_POWERDOWN:
+ info->backlight_power(0);
+ break;
+ default:
+ case FB_BLANK_UNBLANK:
+ info->backlight_power(1);
+ break;
+ }
+ }
+ if (info->set_brightness)
+ info->set_brightness(info->brightness_value);
+ }
+
+ return 0;
+}
+
+#else
+#define s3c2410bl_suspend NULL
+#define s3c2410bl_resume NULL
+#endif
+
static struct device_driver s3c2410bl_driver = {
.name = "s3c2410-bl",
.bus = &platform_bus_type,
.probe = s3c2410bl_probe,
+ .suspend = s3c2410bl_suspend,
+ .resume = s3c2410bl_resume,
.remove = s3c2410bl_remove,
};
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