#
# Patch managed by http://www.holgerschurig.de/patcher.html
#

--- /dev/null
+++ linux-2.6.10/arch/arm/mach-pxa/corgi_backlight.c
@@ -0,0 +1,205 @@
+/*
+ *  Backlight Driver for Sharp Corgi
+ *
+ *  Copyright (c) 2004-2005 Richard Purdie
+ *
+ *  Based on Sharp's 2.4.x Backlight Driver
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/pm.h>
+#include <linux/fb.h>
+#include <linux/backlight.h>
+
+#include <asm/system.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+
+#include <asm/arch-pxa/corgi.h>
+#include <asm/hardware/scoop.h>
+
+extern void corgi_ssp_blduty_set(int duty);
+
+#define CORGI_MAX_INTENSITY 0x3e
+#define CORGI_LIMIT_MASK	0x00b
+
+static int corgibl_powermode = FB_BLANK_UNBLANK;
+static int current_intensity = 0;
+int corgibl_battlow = 0;
+static spinlock_t bl_lock = SPIN_LOCK_UNLOCKED;
+
+static void corgibl_send_intensity(int intensity)
+{
+	unsigned long flags;
+	
+	if (corgibl_powermode != FB_BLANK_UNBLANK) 
+		intensity=0;
+	else 
+		if (corgibl_battlow) 
+			intensity &= CORGI_LIMIT_MASK;
+	
+	/* Skip 0x20 as it will blank the display */
+	if (intensity >= 0x20) 
+		intensity++;
+
+	//extern void sharpsl_kick_battery_check(int,int,int);
+	//sharpsl_kick_battery_check(0,1,0);	/* check battery and wait 10msec */
+		
+	spin_lock_irqsave(&bl_lock, flags);
+	/* Bits 0-4 are accessed via the SSP interface */
+	corgi_ssp_blduty_set(intensity & 0x1f);
+	/* Bit 5 is via SCOOP */
+	if (intensity & 0x0020) 
+		set_scoop_gpio(CORGI_SCP_BACKLIGHT_CONT);
+	else 
+		reset_scoop_gpio(CORGI_SCP_BACKLIGHT_CONT);
+	spin_unlock_irqrestore(&bl_lock, flags);
+		
+	//sharpsl_kick_battery_check(1,0,0);	/* wait 10msec and check battery */
+}
+
+void corgibl_blank(int blank)
+{
+	switch(blank) {
+		
+	case FB_BLANK_NORMAL: 
+	case FB_BLANK_VSYNC_SUSPEND:
+	case FB_BLANK_HSYNC_SUSPEND:
+	case FB_BLANK_POWERDOWN: 
+		if (corgibl_powermode == FB_BLANK_UNBLANK) {
+			corgibl_powermode = blank;
+			corgibl_send_intensity(0);
+		} 	
+		break;
+	case FB_BLANK_UNBLANK: 
+		if (corgibl_powermode != FB_BLANK_UNBLANK) {
+			corgibl_powermode = blank;
+			corgibl_send_intensity(current_intensity);
+		}
+		break;
+	}
+}
+
+#ifdef CONFIG_PM
+static int corgibl_suspend(struct device *dev, u32 state, u32 level)
+{
+	corgibl_blank(FB_BLANK_POWERDOWN);
+	return 0;
+}
+
+static int corgibl_resume(struct device *dev, u32 level)
+{
+	corgibl_blank(FB_BLANK_UNBLANK);
+	return 0;
+}
+#else
+#define corgibl_suspend	NULL
+#define corgibl_resume	NULL
+#endif
+
+
+static int corgibl_set_power(struct backlight_device *bd, int state)
+{
+	corgibl_blank(state);
+	return 0;
+}
+
+static int corgibl_get_power(struct backlight_device *bd)
+{
+	return corgibl_powermode;
+}
+
+static int corgibl_set_intensity(struct backlight_device *bd, int intensity)
+{
+	if (intensity > CORGI_MAX_INTENSITY) 
+		intensity=CORGI_MAX_INTENSITY;
+	corgibl_send_intensity(intensity);
+	current_intensity=intensity;
+	return 0;
+}
+
+static int corgibl_get_intensity(struct backlight_device *bd)
+{
+	return current_intensity;
+}
+
+/*
+ * Return true if the backlight is active, false otherwise
+ */
+int corgibl_get_status(void)
+{
+	return ((corgibl_powermode==FB_BLANK_UNBLANK) && current_intensity);
+}
+
+EXPORT_SYMBOL(corgibl_get_status);
+
+static struct backlight_properties corgibl_data = {
+	.owner		= THIS_MODULE,
+	.get_power      = corgibl_get_power,
+	.set_power      = corgibl_set_power,
+	.max_brightness = CORGI_MAX_INTENSITY,
+	.get_brightness = corgibl_get_intensity,
+	.set_brightness = corgibl_set_intensity,
+};
+
+static struct backlight_device *corgi_backlight_device;
+
+int __init corgibl_probe(struct device *dev)
+{
+	corgi_backlight_device = backlight_device_register ("corgi-bl",
+		NULL, &corgibl_data);
+	if (IS_ERR (corgi_backlight_device))
+		return PTR_ERR (corgi_backlight_device);
+
+	corgibl_set_intensity(NULL, 0x1f);
+	
+	printk("Corgi Backlight Driver Initialized.\n");
+	return 0;
+}
+
+static int corgibl_remove(struct device *dev)
+{
+	backlight_device_unregister (corgi_backlight_device);
+	
+	corgibl_set_intensity(NULL, 0);
+	
+	printk("Corgi Backlight Driver Unloaded\n");
+	return 0;
+}
+
+static struct device_driver corgibl_driver = {
+	.name		= "corgi-bl",
+	.bus		= &platform_bus_type,
+	.probe		= corgibl_probe,
+	.remove		= corgibl_remove,
+	.suspend	= corgibl_suspend,
+	.resume		= corgibl_resume,
+};
+
+int __init corgibl_init(void)
+{
+	return driver_register(&corgibl_driver);
+}
+
+void __exit corgibl_exit(void)
+{
+ 	driver_unregister(&corgibl_driver);
+}
+
+module_init(corgibl_init);
+module_exit(corgibl_exit);
--- linux-2.6.10/arch/arm/mach-pxa/Makefile~corgi_backlight-r7.patch
+++ linux-2.6.10/arch/arm/mach-pxa/Makefile
@@ -11,7 +11,7 @@
 obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
 obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
 obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
-obj-$(CONFIG_PXA_SHARPSL)	+= corgi.o corgi_ssp.o ssp.o
+obj-$(CONFIG_PXA_SHARPSL)	+= corgi.o corgi_ssp.o ssp.o corgi_backlight.o
 
 # Support for blinky lights
 led-y := leds.o