---

yaml
---
r: 30306
b: refs/heads/master
c: f77f50c
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 137a8899b1dba82b54463811844995a33b21ca39
+refs/heads/master: f77f50ca1a236ae213d1b9cef4ac042090c98ae6

trunk/drivers/video/au1100fb.c

@@ -7,6 +7,8 @@
  *  	Karl Lessard <klessard@sunrisetelecom.com>
  *  	<c.pellegrin@exadron.com>
  *
+ * PM support added by Rodolfo Giometti <giometti@linux.it>
+ *
  * Copyright 2002 MontaVista Software
  * Author: MontaVista Software, Inc.
  *		ppopov@mvista.com or source@mvista.com
@@ -602,17 +604,52 @@ int au1100fb_drv_remove(struct device *dev)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static u32 sys_clksrc;
+static struct au1100fb_regs fbregs;
+
 int au1100fb_drv_suspend(struct device *dev, pm_message_t state)
 {
-	/* TODO */
+	struct au1100fb_device *fbdev = dev_get_drvdata(dev);
+
+	if (!fbdev)
+		return 0;
+
+	/* Save the clock source state */
+	sys_clksrc = au_readl(SYS_CLKSRC);
+
+	/* Blank the LCD */
+	au1100fb_fb_blank(VESA_POWERDOWN, &fbdev->info);
+
+	/* Stop LCD clocking */
+	au_writel(sys_clksrc & ~SYS_CS_ML_MASK, SYS_CLKSRC);
+
+	memcpy(&fbregs, fbdev->regs, sizeof(struct au1100fb_regs));
+
 	return 0;
 }
 
 int au1100fb_drv_resume(struct device *dev)
 {
-	/* TODO */
+	struct au1100fb_device *fbdev = dev_get_drvdata(dev);
+
+	if (!fbdev)
+		return 0;
+
+	memcpy(fbdev->regs, &fbregs, sizeof(struct au1100fb_regs));
+
+	/* Restart LCD clocking */
+	au_writel(sys_clksrc, SYS_CLKSRC);
+
+	/* Unblank the LCD */
+	au1100fb_fb_blank(VESA_NO_BLANKING, &fbdev->info);
+
 	return 0;
 }
+#else
+#define au1100fb_drv_suspend NULL
+#define au1100fb_drv_resume NULL
+#endif
 
 static struct device_driver au1100fb_driver = {
 	.name		= "au1100-lcd",