Index: linux-2.6.21/arch/arm/mach-pxa/ezx-e680.c
===================================================================
--- linux-2.6.21.orig/arch/arm/mach-pxa/ezx-e680.c	2007-05-08 14:23:12.000000000 -0300
+++ linux-2.6.21/arch/arm/mach-pxa/ezx-e680.c	2007-05-08 14:23:29.000000000 -0300
@@ -16,6 +16,7 @@
 #include <linux/mmc/host.h>
 #include <linux/irq.h>
 #include <linux/input.h>
+#include <linux/gpio_keys.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -199,7 +200,29 @@
        },
 };
 
+static struct gpio_keys_button e680locksw_buttons[] = {
+       [0] = {
+               .keycode        = KEY_SLEEP,
+               .gpio           = GPIO_LOCK_SCREEN_PIN,
+               .desc           = "E680 lockscreen sw",
+       },
+};
+
+static struct gpio_keys_platform_data e680locksw_platform_data = {
+       .buttons        = e680locksw_buttons,
+       .nbuttons       = 1,
+};
+
+static struct platform_device e680locksw_device = {
+       .name           = "gpio-keys",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &e680locksw_platform_data,
+       },
+};
+
 static struct platform_device *devices[] __initdata = {
+	&e680locksw_device,
 };
 
 static void __init e680_init(void)