Esempi in C++ (Cpp) per snd_emu10k1_midi_cmd

Esempio n. 1

File: emumpu401.c Progetto: rrowicki/Chrono_Kernel-1

static int snd_emu10k1_midi_output_open(struct snd_rawmidi_substream *substream)
{
	struct snd_emu10k1 *emu;
	struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
	unsigned long flags;

	emu = midi->emu;
	if (snd_BUG_ON(!emu))
		return -ENXIO;
	spin_lock_irqsave(&midi->open_lock, flags);
	midi->midi_mode |= EMU10K1_MIDI_MODE_OUTPUT;
	midi->substream_output = substream;
	if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
		spin_unlock_irqrestore(&midi->open_lock, flags);
		if (snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1))
			goto error_out;
		if (snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1))
			goto error_out;
	} else {
		spin_unlock_irqrestore(&midi->open_lock, flags);
	}
	return 0;

error_out:
	return -EIO;
}

Esempio n. 2

File: emumpu401.c Progetto: Antonio-Zhou/Linux-2.6.11

static int snd_emu10k1_midi_output_open(snd_rawmidi_substream_t * substream)
{
	emu10k1_t *emu;
	emu10k1_midi_t *midi = (emu10k1_midi_t *)substream->rmidi->private_data;
	unsigned long flags;

	emu = midi->emu;
	snd_assert(emu, return -ENXIO);
	spin_lock_irqsave(&midi->open_lock, flags);
	midi->midi_mode |= EMU10K1_MIDI_MODE_OUTPUT;
	midi->substream_output = substream;
	if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
		spin_unlock_irqrestore(&midi->open_lock, flags);
		snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 1);
		snd_emu10k1_midi_cmd(emu, midi, MPU401_ENTER_UART, 1);
	} else {
		spin_unlock_irqrestore(&midi->open_lock, flags);
	}
	return 0;
}

Esempio n. 3

File: emumpu401.c Progetto: Antonio-Zhou/Linux-2.6.11

static int snd_emu10k1_midi_output_close(snd_rawmidi_substream_t * substream)
{
	emu10k1_t *emu;
	emu10k1_midi_t *midi = (emu10k1_midi_t *)substream->rmidi->private_data;
	unsigned long flags;

	emu = midi->emu;
	snd_assert(emu, return -ENXIO);
	spin_lock_irqsave(&midi->open_lock, flags);
	snd_emu10k1_intr_disable(emu, midi->tx_enable);
	midi->midi_mode &= ~EMU10K1_MIDI_MODE_OUTPUT;
	midi->substream_output = NULL;
	if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
		spin_unlock_irqrestore(&midi->open_lock, flags);
		snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
	} else {
		spin_unlock_irqrestore(&midi->open_lock, flags);
	}
	return 0;
}

Esempio n. 4

File: emumpu401.c Progetto: rrowicki/Chrono_Kernel-1

static int snd_emu10k1_midi_output_close(struct snd_rawmidi_substream *substream)
{
	struct snd_emu10k1 *emu;
	struct snd_emu10k1_midi *midi = (struct snd_emu10k1_midi *)substream->rmidi->private_data;
	unsigned long flags;
	int err = 0;

	emu = midi->emu;
	if (snd_BUG_ON(!emu))
		return -ENXIO;
	spin_lock_irqsave(&midi->open_lock, flags);
	snd_emu10k1_intr_disable(emu, midi->tx_enable);
	midi->midi_mode &= ~EMU10K1_MIDI_MODE_OUTPUT;
	midi->substream_output = NULL;
	if (!(midi->midi_mode & EMU10K1_MIDI_MODE_INPUT)) {
		spin_unlock_irqrestore(&midi->open_lock, flags);
		err = snd_emu10k1_midi_cmd(emu, midi, MPU401_RESET, 0);
	} else {
		spin_unlock_irqrestore(&midi->open_lock, flags);
	}
	return err;
}