static int cs42l73_set_mic_bias(struct snd_soc_codec *codec, int state)
{
mutex_lock(&codec->mutex);
switch (state) {
case MIC_BIAS_DISABLE:
if (ctp_board_id() == CTP_BID_VV)
snd_soc_dapm_disable_pin(&codec->dapm, "MIC1 Bias");
else
snd_soc_dapm_disable_pin(&codec->dapm, "MIC2 Bias");
break;
case MIC_BIAS_ENABLE:
if (ctp_board_id() == CTP_BID_VV)
snd_soc_dapm_force_enable_pin(&codec->dapm,
"MIC1 Bias");
else
snd_soc_dapm_force_enable_pin(&codec->dapm,
"MIC2 Bias");
break;
}
snd_soc_dapm_sync(&codec->dapm);
mutex_unlock(&codec->mutex);
return 0;
}
static void cloverview_sph_gpio_cleanup(void)
{
u32 board_id;
board_id = ctp_board_id();
if (board_id == CTP_BID_PR0) {
if (gpio_is_valid(SPH_CS_N))
gpio_free(SPH_CS_N);
if (gpio_is_valid(SPH_RST_N))
gpio_free(SPH_RST_N);
}
}
static int cloverview_sph_gpio_init(void)
{
int retval = 0;
u32 board_id;
board_id = ctp_board_id();
/*Only ctp_pr0/pr1 phone need to do CS and PHY operation */
if (board_id == CTP_BID_PR0) {
if (gpio_is_valid(SPH_CS_N)) {
retval = gpio_request(SPH_CS_N, "SPH_CS_N");
if (retval < 0) {
printk(KERN_INFO "Request GPIO %d with error %d\n",
SPH_CS_N, retval);
retval = -ENODEV;
goto err;
}
} else {
retval = -ENODEV;
goto err;
}
if (gpio_is_valid(SPH_RST_N)) {
retval = gpio_request(SPH_RST_N, "SPH_RST_N");
if (retval < 0) {
printk(KERN_INFO "Request GPIO %d with error %d\n",
SPH_RST_N, retval);
retval = -ENODEV;
goto err1;
}
} else {
retval = -ENODEV;
goto err1;
}
gpio_direction_output(SPH_CS_N, 0);
gpio_direction_output(SPH_RST_N, 0);
usleep_range(200, 500);
gpio_set_value(SPH_RST_N, 1);
}
return retval;
err1:
gpio_free(SPH_CS_N);
err:
return retval;
}
