static void tscm_free(struct snd_tscm *tscm)
{
snd_tscm_transaction_unregister(tscm);
snd_tscm_stream_destroy_duplex(tscm);
fw_unit_put(tscm->unit);
mutex_destroy(&tscm->mutex);
}
static void do_registration(struct work_struct *work)
{
struct snd_tscm *tscm = container_of(work, struct snd_tscm, dwork.work);
int err;
err = snd_card_new(&tscm->unit->device, -1, NULL, THIS_MODULE, 0,
&tscm->card);
if (err < 0)
return;
err = identify_model(tscm);
if (err < 0)
goto error;
err = snd_tscm_transaction_register(tscm);
if (err < 0)
goto error;
err = snd_tscm_stream_init_duplex(tscm);
if (err < 0)
goto error;
snd_tscm_proc_init(tscm);
err = snd_tscm_create_pcm_devices(tscm);
if (err < 0)
goto error;
err = snd_tscm_create_midi_devices(tscm);
if (err < 0)
goto error;
err = snd_tscm_create_hwdep_device(tscm);
if (err < 0)
goto error;
err = snd_card_register(tscm->card);
if (err < 0)
goto error;
/*
* After registered, tscm instance can be released corresponding to
* releasing the sound card instance.
*/
tscm->card->private_free = tscm_card_free;
tscm->card->private_data = tscm;
tscm->registered = true;
return;
error:
snd_tscm_transaction_unregister(tscm);
snd_tscm_stream_destroy_duplex(tscm);
snd_card_free(tscm->card);
dev_info(&tscm->unit->device,
"Sound card registration failed: %d\n", err);
}