@@ -915,6 +915,145 @@ static int wcd937x_get_micb_vout_ctl_val(u32 micb_mv)
return (micb_mv - 1000) / 50;
}
+static int wcd937x_tx_swr_ctrl(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
+ bool use_amic3 = snd_soc_component_read(component, WCD937X_TX_NEW_TX_CH2_SEL) & BIT(7);
+
+ /* Enable BCS for Headset mic */
+ if (event == SND_SOC_DAPM_PRE_PMU && strnstr(w->name, "ADC", sizeof("ADC")))
+ if (w->shift == 1 && !use_amic3)
+ set_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask);
+
+ return 0;
+}
+
+static int wcd937x_codec_enable_adc(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ atomic_inc(&wcd937x->ana_clk_count);
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(7), BIT(7));
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), BIT(3));
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(4), BIT(4));
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ if (w->shift == 1 && test_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask))
+ clear_bit(AMIC2_BCS_ENABLE, &wcd937x->status_mask);
+
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_ANA_CLK_CTL, BIT(3), 0x00);
+ break;
+ }
+
+ return 0;
+}
+
+static int wcd937x_enable_req(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ struct wcd937x_priv *wcd937x = snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_REQ_CTL, BIT(1), BIT(1));
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_REQ_CTL, BIT(0), 0x00);
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH2, BIT(6), BIT(6));
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH3_HPF, BIT(6), BIT(6));
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_DIG_CLK_CTL, 0x70, 0x70);
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH1, BIT(7), BIT(7));
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH2, BIT(6), 0x00);
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH2, BIT(7), BIT(7));
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH3, BIT(7), BIT(7));
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH1, BIT(7), 0x00);
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH2, BIT(7), 0x00);
+ snd_soc_component_update_bits(component,
+ WCD937X_ANA_TX_CH3, BIT(7), 0x00);
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_DIG_CLK_CTL, BIT(4), 0x00);
+
+ atomic_dec(&wcd937x->ana_clk_count);
+ if (atomic_read(&wcd937x->ana_clk_count) <= 0) {
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_ANA_CLK_CTL,
+ BIT(4), 0x00);
+ atomic_set(&wcd937x->ana_clk_count, 0);
+ }
+
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
+ BIT(7), 0x00);
+ break;
+ }
+
+ return 0;
+}
+
+static int wcd937x_codec_enable_dmic(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ u16 dmic_clk_reg;
+
+ switch (w->shift) {
+ case 0:
+ case 1:
+ dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC1_CTL;
+ break;
+ case 2:
+ case 3:
+ dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC2_CTL;
+ break;
+ case 4:
+ case 5:
+ dmic_clk_reg = WCD937X_DIGITAL_CDC_DMIC3_CTL;
+ break;
+ default:
+ dev_err(component->dev, "Invalid DMIC Selection\n");
+ return -EINVAL;
+ }
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ snd_soc_component_update_bits(component,
+ WCD937X_DIGITAL_CDC_DIG_CLK_CTL,
+ BIT(7), BIT(7));
+ snd_soc_component_update_bits(component,
+ dmic_clk_reg, 0x07, BIT(1));
+ snd_soc_component_update_bits(component,
+ dmic_clk_reg, BIT(3), BIT(3));
+ snd_soc_component_update_bits(component,
+ dmic_clk_reg, 0x70, BIT(5));
+ break;
+ }
+
+ return 0;
+}
+
static int wcd937x_micbias_control(struct snd_soc_component *component,
int micb_num, int req, bool is_dapm)
{
@@ -1026,6 +1165,82 @@ static int wcd937x_micbias_control(struct snd_soc_component *component,
return 0;
}
+static int __wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
+ int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ int micb_num;
+
+ if (strnstr(w->name, "MIC BIAS1", sizeof("MIC BIAS1")))
+ micb_num = MIC_BIAS_1;
+ else if (strnstr(w->name, "MIC BIAS2", sizeof("MIC BIAS2")))
+ micb_num = MIC_BIAS_2;
+ else if (strnstr(w->name, "MIC BIAS3", sizeof("MIC BIAS3")))
+ micb_num = MIC_BIAS_3;
+ else
+ return -EINVAL;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ wcd937x_micbias_control(component, micb_num,
+ MICB_ENABLE, true);
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ usleep_range(1000, 1100);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ wcd937x_micbias_control(component, micb_num,
+ MICB_DISABLE, true);
+ break;
+ }
+
+ return 0;
+}
+
+static int wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ return __wcd937x_codec_enable_micbias(w, event);
+}
+
+static int __wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,
+ int event)
+{
+ struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+ int micb_num;
+
+ if (strnstr(w->name, "VA MIC BIAS1", sizeof("VA MIC BIAS1")))
+ micb_num = MIC_BIAS_1;
+ else if (strnstr(w->name, "VA MIC BIAS2", sizeof("VA MIC BIAS2")))
+ micb_num = MIC_BIAS_2;
+ else if (strnstr(w->name, "VA MIC BIAS3", sizeof("VA MIC BIAS3")))
+ micb_num = MIC_BIAS_3;
+ else
+ return -EINVAL;
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ wcd937x_micbias_control(component, micb_num, MICB_PULLUP_ENABLE, true);
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ usleep_range(1000, 1100);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ wcd937x_micbias_control(component, micb_num, MICB_PULLUP_DISABLE, true);
+ break;
+ }
+
+ return 0;
+}
+
+static int wcd937x_codec_enable_micbias_pullup(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ return __wcd937x_codec_enable_micbias_pullup(w, event);
+}
+
static int wcd937x_connect_port(struct wcd937x_sdw_priv *wcd, u8 port_idx, u8 ch_id, bool enable)
{
struct sdw_port_config *port_config = &wcd->port_config[port_idx - 1];
@@ -1912,6 +2127,42 @@ static const struct snd_kcontrol_new wcd937x_snd_controls[] = {
wcd937x_get_swr_port, wcd937x_set_swr_port),
};
+static const struct snd_kcontrol_new adc1_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
+static const struct snd_kcontrol_new adc2_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
+static const struct snd_kcontrol_new adc3_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
+static const struct snd_kcontrol_new dmic1_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
+static const struct snd_kcontrol_new dmic2_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
+static const struct snd_kcontrol_new dmic3_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
+static const struct snd_kcontrol_new dmic4_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
+static const struct snd_kcontrol_new dmic5_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
+static const struct snd_kcontrol_new dmic6_switch[] = {
+ SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
+};
+
static const struct snd_kcontrol_new ear_rdac_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
@@ -1928,22 +2179,76 @@ static const struct snd_kcontrol_new hphr_rdac_switch[] = {
SOC_DAPM_SINGLE("Switch", SND_SOC_NOPM, 0, 1, 0)
};
+static const char * const adc2_mux_text[] = {
+ "INP2", "INP3"
+};
+
static const char * const rdac3_mux_text[] = {
"RX1", "RX3"
};
+static const struct soc_enum adc2_enum =
+ SOC_ENUM_SINGLE(WCD937X_TX_NEW_TX_CH2_SEL, 7,
+ ARRAY_SIZE(adc2_mux_text), adc2_mux_text);
+
static const struct soc_enum rdac3_enum =
SOC_ENUM_SINGLE(WCD937X_DIGITAL_CDC_EAR_PATH_CTL, 0,
ARRAY_SIZE(rdac3_mux_text), rdac3_mux_text);
+static const struct snd_kcontrol_new tx_adc2_mux = SOC_DAPM_ENUM("ADC2 MUX Mux", adc2_enum);
+
static const struct snd_kcontrol_new rx_rdac3_mux = SOC_DAPM_ENUM("RDAC3_MUX Mux", rdac3_enum);
static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = {
/* Input widgets */
+ SND_SOC_DAPM_INPUT("AMIC1"),
+ SND_SOC_DAPM_INPUT("AMIC2"),
+ SND_SOC_DAPM_INPUT("AMIC3"),
SND_SOC_DAPM_INPUT("IN1_HPHL"),
SND_SOC_DAPM_INPUT("IN2_HPHR"),
SND_SOC_DAPM_INPUT("IN3_AUX"),
+ /* TX widgets */
+ SND_SOC_DAPM_ADC_E("ADC1", NULL, SND_SOC_NOPM, 0, 0,
+ wcd937x_codec_enable_adc,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_ADC_E("ADC2", NULL, SND_SOC_NOPM, 1, 0,
+ wcd937x_codec_enable_adc,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_MIXER_E("ADC1 REQ", SND_SOC_NOPM, 0, 0,
+ NULL, 0, wcd937x_enable_req,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER_E("ADC2 REQ", SND_SOC_NOPM, 0, 0,
+ NULL, 0, wcd937x_enable_req,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_MUX("ADC2 MUX", SND_SOC_NOPM, 0, 0, &tx_adc2_mux),
+
+ /* TX mixers */
+ SND_SOC_DAPM_MIXER_E("ADC1_MIXER", SND_SOC_NOPM, 0, 0,
+ adc1_switch, ARRAY_SIZE(adc1_switch),
+ wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER_E("ADC2_MIXER", SND_SOC_NOPM, 1, 0,
+ adc2_switch, ARRAY_SIZE(adc2_switch),
+ wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+
+ /* MIC_BIAS widgets */
+ SND_SOC_DAPM_SUPPLY("MIC BIAS1", SND_SOC_NOPM, 0, 0,
+ wcd937x_codec_enable_micbias,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY("MIC BIAS2", SND_SOC_NOPM, 0, 0,
+ wcd937x_codec_enable_micbias,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY("MIC BIAS3", SND_SOC_NOPM, 0, 0,
+ wcd937x_codec_enable_micbias,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_POST_PMD),
+
SND_SOC_DAPM_SUPPLY("VDD_BUCK", SND_SOC_NOPM, 0, 0,
wcd937x_codec_enable_vdd_buck,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
@@ -2007,11 +2312,101 @@ static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = {
SND_SOC_DAPM_MIXER("HPHR_RDAC", SND_SOC_NOPM, 0, 0,
hphr_rdac_switch, ARRAY_SIZE(hphr_rdac_switch)),
+ /* TX output widgets */
+ SND_SOC_DAPM_OUTPUT("ADC1_OUTPUT"),
+ SND_SOC_DAPM_OUTPUT("ADC2_OUTPUT"),
+ SND_SOC_DAPM_OUTPUT("ADC3_OUTPUT"),
+ SND_SOC_DAPM_OUTPUT("WCD_TX_OUTPUT"),
+
/* RX output widgets */
SND_SOC_DAPM_OUTPUT("EAR"),
SND_SOC_DAPM_OUTPUT("AUX"),
SND_SOC_DAPM_OUTPUT("HPHL"),
SND_SOC_DAPM_OUTPUT("HPHR"),
+
+ /* MIC_BIAS pull up widgets */
+ SND_SOC_DAPM_SUPPLY("VA MIC BIAS1", SND_SOC_NOPM, 0, 0,
+ wcd937x_codec_enable_micbias_pullup,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY("VA MIC BIAS2", SND_SOC_NOPM, 0, 0,
+ wcd937x_codec_enable_micbias_pullup,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_SUPPLY("VA MIC BIAS3", SND_SOC_NOPM, 0, 0,
+ wcd937x_codec_enable_micbias_pullup,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
+ SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_widget wcd9375_dapm_widgets[] = {
+ /* Input widgets */
+ SND_SOC_DAPM_INPUT("AMIC4"),
+
+ /* TX widgets */
+ SND_SOC_DAPM_ADC_E("ADC3", NULL, SND_SOC_NOPM, 2, 0,
+ wcd937x_codec_enable_adc,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_MIXER_E("ADC3 REQ", SND_SOC_NOPM, 0, 0,
+ NULL, 0, wcd937x_enable_req,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_ADC_E("DMIC1", NULL, SND_SOC_NOPM, 0, 0,
+ wcd937x_codec_enable_dmic,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_ADC_E("DMIC2", NULL, SND_SOC_NOPM, 1, 0,
+ wcd937x_codec_enable_dmic,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_ADC_E("DMIC3", NULL, SND_SOC_NOPM, 2, 0,
+ wcd937x_codec_enable_dmic,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_ADC_E("DMIC4", NULL, SND_SOC_NOPM, 3, 0,
+ wcd937x_codec_enable_dmic,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_ADC_E("DMIC5", NULL, SND_SOC_NOPM, 4, 0,
+ wcd937x_codec_enable_dmic,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_ADC_E("DMIC6", NULL, SND_SOC_NOPM, 5, 0,
+ wcd937x_codec_enable_dmic,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* TX mixer widgets */
+ SND_SOC_DAPM_MIXER_E("DMIC1_MIXER", SND_SOC_NOPM, 0,
+ 0, dmic1_switch, ARRAY_SIZE(dmic1_switch),
+ wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER_E("DMIC2_MIXER", SND_SOC_NOPM, 1,
+ 0, dmic2_switch, ARRAY_SIZE(dmic2_switch),
+ wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER_E("DMIC3_MIXER", SND_SOC_NOPM, 2,
+ 0, dmic3_switch, ARRAY_SIZE(dmic3_switch),
+ wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER_E("DMIC4_MIXER", SND_SOC_NOPM, 3,
+ 0, dmic4_switch, ARRAY_SIZE(dmic4_switch),
+ wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER_E("DMIC5_MIXER", SND_SOC_NOPM, 4,
+ 0, dmic5_switch, ARRAY_SIZE(dmic5_switch),
+ wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER_E("DMIC6_MIXER", SND_SOC_NOPM, 5,
+ 0, dmic6_switch, ARRAY_SIZE(dmic6_switch),
+ wcd937x_tx_swr_ctrl, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_MIXER_E("ADC3_MIXER", SND_SOC_NOPM, 2, 0, adc3_switch,
+ ARRAY_SIZE(adc3_switch), wcd937x_tx_swr_ctrl,
+ SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
+
+ /* Output widgets */
+ SND_SOC_DAPM_OUTPUT("DMIC1_OUTPUT"),
+ SND_SOC_DAPM_OUTPUT("DMIC2_OUTPUT"),
+ SND_SOC_DAPM_OUTPUT("DMIC3_OUTPUT"),
+ SND_SOC_DAPM_OUTPUT("DMIC4_OUTPUT"),
+ SND_SOC_DAPM_OUTPUT("DMIC5_OUTPUT"),
+ SND_SOC_DAPM_OUTPUT("DMIC6_OUTPUT"),
};
static int wcd937x_set_micbias_data(struct wcd937x_priv *wcd937x)
@@ -2143,6 +2538,15 @@ static int wcd937x_soc_codec_probe(struct snd_soc_component *component)
disable_irq_nosync(wcd937x->hphl_pdm_wd_int);
disable_irq_nosync(wcd937x->aux_pdm_wd_int);
+ if (wcd937x->chipid == CHIPID_WCD9375) {
+ ret = snd_soc_dapm_new_controls(dapm, wcd9375_dapm_widgets,
+ ARRAY_SIZE(wcd9375_dapm_widgets));
+ if (ret < 0) {
+ dev_err(component->dev, "Failed to add snd_ctls\n");
+ return ret;
+ }
+ }
+
ret = wcd937x_mbhc_init(component);
if (ret)
dev_err(component->dev, "mbhc initialization failed\n");