Input: keyboard - also match braille-only keyboards

drivers/char/keyboard.c also handles braille keys, so it should also match
braille-only keyboards.

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

drivers/char/keyboard.c

@@ -1315,10 +1315,14 @@ static bool kbd_match(struct input_handler *handler, struct input_dev *dev)
 	if (test_bit(EV_SND, dev->evbit))
 		return true;
 
-	if (test_bit(EV_KEY, dev->evbit))
+	if (test_bit(EV_KEY, dev->evbit)) {
 		for (i = KEY_RESERVED; i < BTN_MISC; i++)
 			if (test_bit(i, dev->keybit))
 				return true;
+		for (i = KEY_BRL_DOT1; i <= KEY_BRL_DOT10; i++)
+			if (test_bit(i, dev->keybit))
+				return true;
+	}
 
 	return false;
 }