/*
* TODO: rx/tx_hw_param_status should be a counter in the below code
* when driver starts supporting mutisession else setting it to 0
* will stop audio in all sessions.
*/
static void msm8660_shutdown(struct snd_pcm_substream *substream)
{
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
rx_hw_param_status = 0;
timpani_poweramp_off();
msleep(30);
if (rx_bit_clk) {
clk_disable_unprepare(rx_bit_clk);
clk_put(rx_bit_clk);
rx_bit_clk = NULL;
}
if (rx_osr_clk) {
clk_disable_unprepare(rx_osr_clk);
clk_put(rx_osr_clk);
rx_osr_clk = NULL;
}
} else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
tx_hw_param_status = 0;
msm_snddev_disable_dmic_power();
msleep(30);
if (tx_bit_clk) {
clk_disable_unprepare(tx_bit_clk);
clk_put(tx_bit_clk);
tx_bit_clk = NULL;
}
if (tx_osr_clk) {
clk_disable_unprepare(tx_osr_clk);
clk_put(tx_osr_clk);
tx_osr_clk = NULL;
}
}
}
static void msm_snddev_dmic_power(int en)
{
pr_aud_err("%s", __func__);
if (en)
msm_snddev_enable_dmic_power();
else
msm_snddev_disable_dmic_power();
}
static void msm_snddev_disable_dmic_sec_power(void)
{
pr_aud_err("%s", __func__);
msm_snddev_disable_dmic_power();
#ifdef CONFIG_PMIC8058_OTHC
pm8058_micbias_enable(OTHC_MICBIAS_2, OTHC_SIGNAL_OFF);
#endif
}
static int msm_snddev_enable_dmic_sec_power(void)
{
int ret;
pr_aud_err("%s", __func__);
ret = msm_snddev_enable_dmic_power();
if (ret) {
pr_err("%s: Error: Enabling dmic power failed\n", __func__);
return ret;
}
#ifdef CONFIG_PMIC8058_OTHC
ret = pm8058_micbias_enable(OTHC_MICBIAS_2, OTHC_SIGNAL_ALWAYS_ON);
if (ret) {
pr_err("%s: Error: Enabling micbias failed\n", __func__);
msm_snddev_disable_dmic_power();
return ret;
}
#endif
return 0;
}
