[PATCH] drivers/video: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of ARRAY_SIZE.  Some coding style and trailing whitespaces are
also fixed.

Compile-tested where possible (some are other arch or BROKEN)

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c
index 244a21a..26a1c61 100644
--- a/drivers/video/modedb.c
+++ b/drivers/video/modedb.c
@@ -500,7 +500,7 @@
     /* Set up defaults */
     if (!db) {
 	db = modedb;
-	dbsize = sizeof(modedb)/sizeof(*modedb);
+	dbsize = ARRAY_SIZE(modedb);
     }
     if (!default_mode)
 	default_mode = &modedb[DEFAULT_MODEDB_INDEX];