static void motu_card_free(struct snd_card *card)
{
struct snd_motu *motu = card->private_data;
snd_motu_transaction_unregister(motu);
snd_motu_stream_destroy_duplex(motu);
}
static void do_registration(struct work_struct *work)
{
struct snd_motu *motu = container_of(work, struct snd_motu, dwork.work);
int err;
if (motu->registered)
return;
err = snd_card_new(&motu->unit->device, -1, NULL, THIS_MODULE, 0,
&motu->card);
if (err < 0)
return;
name_card(motu);
err = snd_motu_transaction_register(motu);
if (err < 0)
goto error;
err = snd_motu_stream_init_duplex(motu);
if (err < 0)
goto error;
snd_motu_proc_init(motu);
err = snd_motu_create_pcm_devices(motu);
if (err < 0)
goto error;
if (motu->spec->flags & SND_MOTU_SPEC_HAS_MIDI) {
err = snd_motu_create_midi_devices(motu);
if (err < 0)
goto error;
}
err = snd_motu_create_hwdep_device(motu);
if (err < 0)
goto error;
err = snd_card_register(motu->card);
if (err < 0)
goto error;
/*
* After registered, motu instance can be released corresponding to
* releasing the sound card instance.
*/
motu->card->private_free = motu_card_free;
motu->card->private_data = motu;
motu->registered = true;
return;
error:
snd_motu_transaction_unregister(motu);
snd_card_free(motu->card);
dev_info(&motu->unit->device,
"Sound card registration failed: %d\n", err);
}
static void motu_free(struct snd_motu *motu)
{
snd_motu_transaction_unregister(motu);
snd_motu_stream_destroy_duplex(motu);
fw_unit_put(motu->unit);
mutex_destroy(&motu->mutex);
kfree(motu);
}
