write_lcd() in toshiba_acpi returns 0 on success since the big ACPI patch
merged in 2.6.20-rc2.  It should return count.
Signed-off-by: Matthijs van Otterdijk <thotter@gmail.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 static unsigned long write_lcd(const char *buffer, unsigned long count)
 {
        int value;
-       int ret = count;
+       int ret;
 
        if (sscanf(buffer, " brightness : %i", &value) == 1 &&
-           value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS)
+           value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
                ret = set_lcd(value);
-       else
+               if (ret == 0)
+                       ret = count;
+       } else {
                ret = -EINVAL;
+       }
        return ret;
 }