int register_sound_special(struct file_operations *fops, int unit)
{
const int chain = unit % SOUND_STEP;
int max_unit = 128 + chain;
const char *name;
char _name[16];
switch (chain) {
case 0:
name = "mixer";
break;
case 1:
name = "sequencer";
if (unit >= SOUND_STEP)
goto __unknown;
max_unit = unit + 1;
break;
case 2:
name = "midi";
break;
case 3:
name = "dsp";
break;
case 4:
name = "audio";
break;
case 8:
name = "sequencer2";
if (unit >= SOUND_STEP)
goto __unknown;
max_unit = unit + 1;
break;
case 9:
name = "dmmidi";
break;
case 10:
name = "dmfm";
break;
case 12:
name = "adsp";
break;
case 13:
name = "amidi";
break;
case 14:
name = "admmidi";
break;
default:
{
__unknown:
sprintf(_name, "unknown%d", chain);
if (unit >= SOUND_STEP)
strcat(_name, "-");
name = _name;
}
break;
}
return sound_insert_unit(&chains[chain], fops, -1, unit, max_unit,
name, S_IRUSR | S_IWUSR);
}
int register_sound_dsp(const struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[3], fops, dev, 3, 131,
"dsp", S_IWUSR | S_IRUSR, NULL);
}
int register_sound_midi(const struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[2], fops, dev, 2, 130,
"midi", S_IRUSR | S_IWUSR, NULL);
}
int register_sound_mixer(const struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[0], fops, dev, 0, 128,
"mixer", S_IRUSR | S_IWUSR, NULL);
}
int register_sound_synth(struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[9], fops, dev, 9, 137);
}
int register_sound_dsp(struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[3], fops, dev, 3, 131);
}
int register_sound_midi(struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[2], fops, dev, 2, 130);
}
int register_sound_mixer(struct file_operations *fops, int dev)
{
return sound_insert_unit(&chains[0], fops, dev, 0, 128);
}
int register_sound_special(struct file_operations *fops, int unit)
{
return sound_insert_unit(&chains[unit&15], fops, -1, unit, unit+1);
}