C++ (Cpp) snd_nm256_set_format示例

示例#1

文件： nm256.c 项目： jameshilliard/actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5

static int nm256_resume(struct pci_dev *pci)
{
	struct snd_card *card = pci_get_drvdata(pci);
	struct nm256 *chip = card->private_data;
	int i;

	/* Perform a full reset on the hardware */
	pci_restore_state(pci);
	pci_enable_device(pci);
	snd_nm256_init_chip(chip);

	/* restore ac97 */
	snd_ac97_resume(chip->ac97);

	for (i = 0; i < 2; i++) {
		struct nm256_stream *s = &chip->streams[i];
		if (s->substream && s->suspended) {
			spin_lock_irq(&chip->reg_lock);
			snd_nm256_set_format(chip, s, s->substream);
			spin_unlock_irq(&chip->reg_lock);
		}
	}

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	return 0;
}

示例#2

文件： nm256.c 项目： Dronevery/JetsonTK1-kernel

/*
 * prepare playback/capture channel
 */
static int snd_nm256_pcm_prepare(snd_pcm_substream_t *substream)
{
    nm256_t *chip = snd_pcm_substream_chip(substream);
    snd_pcm_runtime_t *runtime = substream->runtime;
    nm256_stream_t *s = (nm256_stream_t*)runtime->private_data;

    snd_assert(s, return -ENXIO);
    s->dma_size = frames_to_bytes(runtime, substream->runtime->buffer_size);
    s->period_size = frames_to_bytes(runtime, substream->runtime->period_size);
    s->periods = substream->runtime->periods;
    s->cur_period = 0;

    spin_lock_irq(&chip->reg_lock);
    s->running = 0;
    snd_nm256_set_format(chip, s, substream);
    spin_unlock_irq(&chip->reg_lock);

    return 0;
}

示例#3

文件： nm256.c 项目： 3sOx/asuswrt-merlin

/*
 * prepare playback/capture channel
 */
static int snd_nm256_pcm_prepare(struct snd_pcm_substream *substream)
{
	struct nm256 *chip = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct nm256_stream *s = runtime->private_data;

	if (snd_BUG_ON(!s))
		return -ENXIO;
	s->dma_size = frames_to_bytes(runtime, substream->runtime->buffer_size);
	s->period_size = frames_to_bytes(runtime, substream->runtime->period_size);
	s->periods = substream->runtime->periods;
	s->cur_period = 0;

	spin_lock_irq(&chip->reg_lock);
	s->running = 0;
	snd_nm256_set_format(chip, s, substream);
	spin_unlock_irq(&chip->reg_lock);

	return 0;
}

示例#4

文件： nm256.c 项目： ARMWorks/FA_2451_Linux_Kernel

static int nm256_resume(struct device *dev)
{
	struct pci_dev *pci = to_pci_dev(dev);
	struct snd_card *card = dev_get_drvdata(dev);
	struct nm256 *chip = card->private_data;
	int i;

	/* Perform a full reset on the hardware */
	chip->in_resume = 1;

	pci_set_power_state(pci, PCI_D0);
	pci_restore_state(pci);
	if (pci_enable_device(pci) < 0) {
		printk(KERN_ERR "nm256: pci_enable_device failed, "
		       "disabling device\n");
		snd_card_disconnect(card);
		return -EIO;
	}
	pci_set_master(pci);

	snd_nm256_init_chip(chip);

	/* restore ac97 */
	snd_ac97_resume(chip->ac97);

	for (i = 0; i < 2; i++) {
		struct nm256_stream *s = &chip->streams[i];
		if (s->substream && s->suspended) {
			spin_lock_irq(&chip->reg_lock);
			snd_nm256_set_format(chip, s, s->substream);
			spin_unlock_irq(&chip->reg_lock);
		}
	}

	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
	chip->in_resume = 0;
	return 0;
}

示例#5

文件： nm256.c 项目： BackupTheBerlios/tew632-brp-svn

static int nm256_resume(snd_card_t *card)
{
	nm256_t *chip = card->pm_private_data;
	int i;

	/* Perform a full reset on the hardware */
	pci_enable_device(chip->pci);
	snd_nm256_init_chip(chip);

	/* restore ac97 */
	snd_ac97_resume(chip->ac97);

	for (i = 0; i < 2; i++) {
		nm256_stream_t *s = &chip->streams[i];
		if (s->substream && s->suspended) {
			spin_lock_irq(&chip->reg_lock);
			snd_nm256_set_format(chip, s, s->substream);
			spin_unlock_irq(&chip->reg_lock);
		}
	}

	return 0;
}