static int sdp4430_modem_hw_free(struct snd_pcm_substream *substream)
{
int ret;
ret = sdp4430_modem_mcbsp_configure(substream, NULL, 0);
if (ret)
printk(KERN_ERR "can't clear modem cpu DAI configuration\n");
return ret;
}
static int sdp4430_modem_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
int ret;
ret = sdp4430_modem_mcbsp_configure(substream, params, 1);
if (ret)
printk(KERN_ERR "can't set modem cpu DAI configuration\n");
return ret;
}
static int sdp4430_dmic_hw_free(struct snd_pcm_substream *substream)
{
int ret = 0;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
if (rtd->current_fe == ABE_FRONTEND_DAI_MODEM) {
/* freed Modem McBSP configuration */
ret = sdp4430_modem_mcbsp_configure(substream, NULL, 0);
}
return ret;
}
static int sdp4430_mcpdm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
int clk_id, freq;
int ret = 0;
if (twl6040_power_mode) {
clk_id = TWL6040_SYSCLK_SEL_HPPLL;
freq = 38400000;
/*
* TWL6040 requires MCLK to be active as long as
* high-performance mode is in use. Glitch-free mux
* cannot tolerate MCLK gating
*/
ret = cdc_tcxo_set_req_int(CDC_TCXO_CLK2, 1);
if (ret) {
printk(KERN_ERR "failed to enable twl6040 MCLK\n");
return ret;
}
} else {
clk_id = TWL6040_SYSCLK_SEL_LPPLL;
freq = 32768;
}
/* set the codec mclk */
ret = snd_soc_dai_set_sysclk(codec_dai, clk_id, freq,
SND_SOC_CLOCK_IN);
if (ret) {
printk(KERN_ERR "can't set codec system clock\n");
return ret;
}
/* low-power mode uses 32k clock, MCLK is not required */
if (!twl6040_power_mode) {
ret = cdc_tcxo_set_req_int(CDC_TCXO_CLK2, 0);
if (ret) {
printk(KERN_ERR "failed to disable twl6040 MCLK\n");
return ret;
}
}
if (rtd->current_fe == ABE_FRONTEND_DAI_MODEM) {
/* set Modem McBSP configuration */
ret = sdp4430_modem_mcbsp_configure(substream, params, 1);
}
return ret;
}
