ALSA: snd-usb-caiaq: Send the correct command when setting controls

Fixes a bug where an incorrect command was sent which had no effect on the
device.
Signed-off-by: NMark Hills <mark@pogo.org.uk>
Acked-by: NDaniel Mack <daniel@caiaq.de>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

sound/usb/caiaq/caiaq-control.c

@@ -94,7 +94,7 @@ static int control_put(struct snd_kcontrol *kcontrol,
 	if (pos & CNT_INTVAL) {
 		dev->control_state[pos & ~CNT_INTVAL]
 			= ucontrol->value.integer.value[0];
-		snd_usb_caiaq_send_command(dev, EP1_CMD_DIMM_LEDS,
+		snd_usb_caiaq_send_command(dev, EP1_CMD_WRITE_IO,
 				dev->control_state, sizeof(dev->control_state));
 	} else {
 		if (ucontrol->value.integer.value[0])