/*
- * sound/midibuf.c
+ * sound/oss/midibuf.c
*
* Device file manager for /dev/midi#
*/
static void midi_poll(unsigned long dummy);
-static struct timer_list poll_timer = TIMER_INITIALIZER(midi_poll, 0, 0);
+static DEFINE_TIMER(poll_timer, midi_poll, 0, 0);
static volatile int open_devs;
static DEFINE_SPINLOCK(lock);
for (dev = 0; dev < num_midis; dev++)
if (midi_devs[dev] != NULL && midi_out_buf[dev] != NULL)
{
- int ok = 1;
-
- while (DATA_AVAIL(midi_out_buf[dev]) && ok)
+ while (DATA_AVAIL(midi_out_buf[dev]))
{
+ int ok;
int c = midi_out_buf[dev]->queue[midi_out_buf[dev]->head];
spin_unlock_irqrestore(&lock,flags);/* Give some time to others */
ok = midi_devs[dev]->outputc(dev, c);
spin_lock_irqsave(&lock, flags);
+ if (!ok)
+ break;
midi_out_buf[dev]->head = (midi_out_buf[dev]->head + 1) % MAX_QUEUE_SIZE;
midi_out_buf[dev]->len--;
}
}
-void MIDIbuf_init(void)
-{
- /* drag in midi_syms.o */
- {
- extern char midi_syms_symbol;
- midi_syms_symbol = 0;
- }
-}
-
int MIDIbuf_avail(int dev)
{
if (midi_in_buf[dev])
return DATA_AVAIL (midi_in_buf[dev]);
return 0;
}
+EXPORT_SYMBOL(MIDIbuf_avail);
+