C++ (Cpp) omap_mcpdm_open_streams примеры использования

Пример #1

Файл: omap-mcpdm.c Проект: krzk/linux

static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream,
				  struct snd_soc_dai *dai)
{
	struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai);

	mutex_lock(&mcpdm->mutex);

	if (!dai->active)
		omap_mcpdm_open_streams(mcpdm);

	mutex_unlock(&mcpdm->mutex);

	return 0;
}

Пример #2

Файл: omap-mcpdm.c Проект: krzk/linux

static int omap_mcpdm_resume(struct snd_soc_dai *dai)
{
	struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai);

	if (mcpdm->pm_active_count) {
		while (mcpdm->pm_active_count--)
			pm_runtime_get_sync(mcpdm->dev);

		if (dai->active) {
			omap_mcpdm_open_streams(mcpdm);
			omap_mcpdm_start(mcpdm);
		}
	}


	return 0;
}

Пример #3

Файл: omap-mcpdm.c Проект: Cool-Joe/imx23-audio

static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream,
				  struct snd_soc_dai *dai)
{
	struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai);

	mutex_lock(&mcpdm->mutex);

	if (!dai->active) {
		u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL);

		omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl | MCPDM_WD_EN);
		omap_mcpdm_open_streams(mcpdm);
	}
	mutex_unlock(&mcpdm->mutex);

	snd_soc_dai_set_dma_data(dai, substream,
				 &mcpdm->dma_data[substream->stream]);

	return 0;
}