C++ (Cpp) snd_motu_stream_init_duplex Examples

Example #1

File: motu.c Project: asmalldev/linux

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);
}

Example #2

File: motu.c Project: Anjali05/linux

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;
	motu->card->private_free = motu_card_free;
	motu->card->private_data = motu;

	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_RX_MIDI_2ND_Q) ||
	    (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_3RD_Q) ||
	    (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_2ND_Q) ||
	    (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_3RD_Q)) {
		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;

	motu->registered = true;

	return;
error:
	snd_card_free(motu->card);
	dev_info(&motu->unit->device,
		 "Sound card registration failed: %d\n", err);
}