C++ (Cpp) sunxi_snd_rxctrl_daudio0示例

示例#1

文件： h3_ac100.c 项目： xwliu/Cubietruck_Plus-kernel-source

/*
 * open/close dma daudio0->hdmi
 */
static int sunxi_i2s_set_daudio0_to_hdmi(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	dma_daudio0_to_hdmi_en = ucontrol->value.integer.value[0];
	if (dma_daudio0_to_hdmi_en) {
		daudio0_set_clk();
		sunxi_snd_rxctrl_daudio0(NULL, 1);
		daudio2_hdmi_spdif_en(1, 0);
	} else {
		sunxi_snd_rxctrl_daudio0(NULL, 0);
		daudio2_hdmi_spdif_en(0, 0);
	}
	return 0;
}

示例#2

文件： sunxi-daudio0.c 项目： GREYFOXRGR/BPI-M3-bsp

static int sunxi_daudio0_trigger(struct snd_pcm_substream *substream,
                              int cmd, struct snd_soc_dai *dai)
{
	int ret = 0;
	u32 reg_val;
	switch (cmd) {
		case SNDRV_PCM_TRIGGER_START:
		case SNDRV_PCM_TRIGGER_RESUME:
		case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
			if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
				sunxi_snd_rxctrl_daudio0(substream, 1);
			} else {
				sunxi_snd_txctrl_daudio0(substream, 1,0);
			}
			/*Global Enable Digital Audio Interface*/
			reg_val = sunxi_smc_readl(sunxi_daudio.regs + SUNXI_DAUDIOCTL);
			reg_val |= SUNXI_DAUDIOCTL_GEN;
			if (daudio0_loop_en) {
				reg_val |= SUNXI_DAUDIOCTL_LOOP; /*for test*/
			}
			sunxi_smc_writel(reg_val, sunxi_daudio.regs + SUNXI_DAUDIOCTL);
			break;
		case SNDRV_PCM_TRIGGER_STOP:
		case SNDRV_PCM_TRIGGER_SUSPEND:
		case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
			if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
				sunxi_snd_rxctrl_daudio0(substream, 0);
			} else {
			  	sunxi_snd_txctrl_daudio0(substream, 0,0);
			}
			break;
		default:
			ret = -EINVAL;
			break;
	}

	return ret;
}