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

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

sound/isa/wavefront/wavefront_midi.c

@@ -356,8 +356,7 @@ static void snd_wavefront_midi_output_timer(unsigned long data)
 	unsigned long flags;
 	
 	spin_lock_irqsave (&midi->virtual, flags);
-	midi->timer.expires = 1 + jiffies;
-	add_timer(&midi->timer);
+	mod_timer(&midi->timer, 1 + jiffies);
 	spin_unlock_irqrestore (&midi->virtual, flags);
 	snd_wavefront_midi_output_write(card);
 }
@@ -384,11 +383,10 @@ static void snd_wavefront_midi_output_trigger(struct snd_rawmidi_substream *subs
 	if (up) {
 		if ((midi->mode[mpu] & MPU401_MODE_OUTPUT_TRIGGER) == 0) {
 			if (!midi->istimer) {
-				init_timer(&midi->timer);
-				midi->timer.function = snd_wavefront_midi_output_timer;
-				midi->timer.data = (unsigned long) substream->rmidi->card->private_data;
-				midi->timer.expires = 1 + jiffies;
-				add_timer(&midi->timer);
+				setup_timer(&midi->timer,
+					    snd_wavefront_midi_output_timer,
+					    (unsigned long) substream->rmidi->card->private_data);
+				mod_timer(&midi->timer, 1 + jiffies);
 			}
 			midi->istimer++;
 			midi->mode[mpu] |= MPU401_MODE_OUTPUT_TRIGGER;