/*
* 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;
}
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;
}
