diff --git a/bsp/mini2440/key.c b/bsp/mini2440/key.c
index 9fc655a02..c0c16836f 100644
--- a/bsp/mini2440/key.c
+++ b/bsp/mini2440/key.c
@@ -1,110 +1,110 @@
-#include <rtthread.h>
-#include <S3C24x0.h>
-
-#include <rtgui/event.h>
-#include <rtgui/rtgui_server.h>
-
-/*
-key_enter   GPG0
-key_down    GPG3
-key_up      GPG5
-key_right   GPG6
-key_left    GPG7
-key_power   GPG11
-*/
-#define key_enter_GETVALUE()  (GPGDAT & (1 << 0))
-#define key_down_GETVALUE()   (GPGDAT & (1 << 3))
-#define key_up_GETVALUE()     (GPGDAT & (1 << 5))
-#define key_right_GETVALUE()  (GPGDAT & (1 << 6))
-#define key_left_GETVALUE()   (GPGDAT & (1 << 7))
-#define key_power_GETVALUE()  (GPGDAT & (1 << 11))
-
-static void key_thread_entry(void *parameter)
-{
-	rt_time_t next_delay;
-	struct rtgui_event_kbd kbd_event;
-
-	/* init gpio configuration */
-	GPGCON = GPGCON & (~((3<<22)|(3<<6)|(3<<0)|(3<<10)|(3<<12)|(3<<14))) |
-					((2<<22)|(2<<6)|(2<<0)|(2<<10)|(2<<12)|(2<<14));
-
-	/* init keyboard event */
-	RTGUI_EVENT_KBD_INIT(&kbd_event);
-	kbd_event.mod  = RTGUI_KMOD_NONE;
-	kbd_event.unicode = 0;
-
-	while (1)
-	{
-		next_delay = 20;
-		kbd_event.key = RTGUIK_UNKNOWN;
-
-		kbd_event.type = RTGUI_KEYDOWN;
-		if ( key_enter_GETVALUE() == 0 )
-		{
-			rt_thread_delay(next_delay);
-			if (key_enter_GETVALUE() == 0)
-			{
-				/* HOME key */
-				rt_kprintf("key_home\n");
-				kbd_event.key  = RTGUIK_HOME;
-			}
-			else
-			{
-				rt_kprintf("key_enter\n");
-				kbd_event.key  = RTGUIK_RETURN;
-			}
-		}
-
-		if ( key_down_GETVALUE()  == 0 )
-		{
-			rt_kprintf("key_down\n");
-			kbd_event.key  = RTGUIK_DOWN;
-		}
-
-		if ( key_up_GETVALUE()    == 0 )
-		{
-			rt_kprintf("key_up\n");
-			kbd_event.key  = RTGUIK_UP;
-		}
-
-		if ( key_right_GETVALUE() == 0 )
-		{
-			rt_kprintf("key_right\n");
-			kbd_event.key  = RTGUIK_RIGHT;
-		}
-
-		if ( key_left_GETVALUE()  == 0 )
-		{
-			rt_kprintf("key_left\n");
-			kbd_event.key  = RTGUIK_LEFT;
-		}
-
-		if (kbd_event.key != RTGUIK_UNKNOWN)
-		{
-			/* post down event */
-			rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
-
-			next_delay = 10;
-			/* delay to post up event */
-			rt_thread_delay(next_delay);
-
-			/* post up event */
-			kbd_event.type = RTGUI_KEYUP;
-			rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
-		}
-
-		/* wait next key press */
-		rt_thread_delay(next_delay);
-	}
-}
-
-void rt_hw_key_init()
-{
-	#if 0
-	rt_thread_t key_tid;
-	key_tid = rt_thread_create("key",
-	                           key_thread_entry, RT_NULL,
-	                           512, 30, 5);
-	if (key_tid != RT_NULL) rt_thread_startup(key_tid);
-	#endif
-}
+#include <rtthread.h>
+#include <s3c24x0.h>
+
+#include <rtgui/event.h>
+#include <rtgui/rtgui_server.h>
+
+/*
+key_enter   GPG0
+key_down    GPG3
+key_up      GPG5
+key_right   GPG6
+key_left    GPG7
+key_power   GPG11
+*/
+#define key_enter_GETVALUE()  (GPGDAT & (1 << 0))
+#define key_down_GETVALUE()   (GPGDAT & (1 << 3))
+#define key_up_GETVALUE()     (GPGDAT & (1 << 5))
+#define key_right_GETVALUE()  (GPGDAT & (1 << 6))
+#define key_left_GETVALUE()   (GPGDAT & (1 << 7))
+#define key_power_GETVALUE()  (GPGDAT & (1 << 11))
+
+static void key_thread_entry(void *parameter)
+{
+	rt_time_t next_delay;
+	struct rtgui_event_kbd kbd_event;
+
+	/* init gpio configuration */
+	GPGCON = GPGCON & (~((3<<22)|(3<<6)|(3<<0)|(3<<10)|(3<<12)|(3<<14))) |
+					((2<<22)|(2<<6)|(2<<0)|(2<<10)|(2<<12)|(2<<14));
+
+	/* init keyboard event */
+	RTGUI_EVENT_KBD_INIT(&kbd_event);
+	kbd_event.mod  = RTGUI_KMOD_NONE;
+	kbd_event.unicode = 0;
+
+	while (1)
+	{
+		next_delay = 20;
+		kbd_event.key = RTGUIK_UNKNOWN;
+
+		kbd_event.type = RTGUI_KEYDOWN;
+		if ( key_enter_GETVALUE() == 0 )
+		{
+			rt_thread_delay(next_delay);
+			if (key_enter_GETVALUE() == 0)
+			{
+				/* HOME key */
+				rt_kprintf("key_home\n");
+				kbd_event.key  = RTGUIK_HOME;
+			}
+			else
+			{
+				rt_kprintf("key_enter\n");
+				kbd_event.key  = RTGUIK_RETURN;
+			}
+		}
+
+		if ( key_down_GETVALUE()  == 0 )
+		{
+			rt_kprintf("key_down\n");
+			kbd_event.key  = RTGUIK_DOWN;
+		}
+
+		if ( key_up_GETVALUE()    == 0 )
+		{
+			rt_kprintf("key_up\n");
+			kbd_event.key  = RTGUIK_UP;
+		}
+
+		if ( key_right_GETVALUE() == 0 )
+		{
+			rt_kprintf("key_right\n");
+			kbd_event.key  = RTGUIK_RIGHT;
+		}
+
+		if ( key_left_GETVALUE()  == 0 )
+		{
+			rt_kprintf("key_left\n");
+			kbd_event.key  = RTGUIK_LEFT;
+		}
+
+		if (kbd_event.key != RTGUIK_UNKNOWN)
+		{
+			/* post down event */
+			rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
+
+			next_delay = 10;
+			/* delay to post up event */
+			rt_thread_delay(next_delay);
+
+			/* post up event */
+			kbd_event.type = RTGUI_KEYUP;
+			rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
+		}
+
+		/* wait next key press */
+		rt_thread_delay(next_delay);
+	}
+}
+
+void rt_hw_key_init()
+{
+	#if 0
+	rt_thread_t key_tid;
+	key_tid = rt_thread_create("key",
+	                           key_thread_entry, RT_NULL,
+	                           512, 30, 5);
+	if (key_tid != RT_NULL) rt_thread_startup(key_tid);
+	#endif
+}