C++ (Cpp) snd_msnd_enable_irq Examples

Example #1

File: msnd.c Project: 3sOx/asuswrt-merlin

static int snd_msnd_capture_open(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_msnd *chip = snd_pcm_substream_chip(substream);

	set_bit(F_AUDIO_READ_INUSE, &chip->flags);
	snd_msnd_enable_irq(chip);
	runtime->dma_area = chip->mappedbase + 0x3000;
	runtime->dma_bytes = 0x3000;
	memset(runtime->dma_area, 0, runtime->dma_bytes);
	chip->capture_substream = substream;
	runtime->hw = snd_msnd_capture;
	return 0;
}

Example #2

File: msnd.c Project: 3sOx/asuswrt-merlin

static int snd_msnd_playback_open(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_msnd *chip = snd_pcm_substream_chip(substream);

	set_bit(F_AUDIO_WRITE_INUSE, &chip->flags);
	clear_bit(F_WRITING, &chip->flags);
	snd_msnd_enable_irq(chip);

	runtime->dma_area = chip->mappedbase;
	runtime->dma_bytes = 0x3000;

	chip->playback_substream = substream;
	runtime->hw = snd_msnd_playback;
	return 0;
}

Example #3

/*
 * input/output open/close - protected by open_mutex in rawmidi.c
 */
static int snd_msndmidi_input_open(struct snd_rawmidi_substream *substream)
{
	struct snd_msndmidi *mpu;

	snd_printdd("snd_msndmidi_input_open()\n");

	mpu = substream->rmidi->private_data;

	mpu->substream_input = substream;

	snd_msnd_enable_irq(mpu->dev);

	snd_msnd_send_dsp_cmd(mpu->dev, HDEX_MIDI_IN_START);
	set_bit(MSNDMIDI_MODE_BIT_INPUT, &mpu->mode);
	return 0;
}

Example #4

File: msnd_pinnacle.c Project: mpcdata/tnetv107x-usb

/*
 * ALSA callback function, called when attempting to open the MIDI device.
 */
static int snd_msnd_mpu401_open(struct snd_mpu401 *mpu)
{
	snd_msnd_enable_irq(mpu->private_data);
	snd_msnd_send_dsp_cmd(mpu->private_data, HDEX_MIDI_IN_START);
	return 0;
}