ALSA: echoaudio: Use setup_timer() and mod_timer()

No functional change, refactoring with the standard helpers.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/echoaudio/midi.c

@@ -257,9 +257,8 @@ static void snd_echo_midi_output_trigger(struct snd_rawmidi_substream *substream
 	spin_lock_irq(&chip->lock);
 	if (up) {
 		if (!chip->tinuse) {
-			init_timer(&chip->timer);
-			chip->timer.function = snd_echo_midi_output_write;
-			chip->timer.data = (unsigned long)chip;
+			setup_timer(&chip->timer, snd_echo_midi_output_write,
+				    (unsigned long)chip);
 			chip->tinuse = 1;
 		}
 	} else {