ASoC: codecs: wcd938x: Drop no-op ADC2_BCS Disable Switch

The "ADC2_BCS Disable Switch" control does basically nothing: sets field
in driver's private data structure which is never read again to
configure hardware.  Drop the control as it has no effect.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240523124808.42923-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wcd938x.c

@@ -206,7 +206,6 @@ struct wcd938x_priv {
 	bool comp1_enable;
 	bool comp2_enable;
 	bool ldoh;
-	bool bcs_dis;
 };
 
 static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(ear_pa_gain, 600, -1800);
@@ -1650,31 +1649,6 @@ static int wcd938x_ldoh_put(struct snd_kcontrol *kcontrol,
 	return 1;
 }
 
-static int wcd938x_bcs_get(struct snd_kcontrol *kcontrol,
-			   struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
-	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
-
-	ucontrol->value.integer.value[0] = wcd938x->bcs_dis;
-
-	return 0;
-}
-
-static int wcd938x_bcs_put(struct snd_kcontrol *kcontrol,
-			   struct snd_ctl_elem_value *ucontrol)
-{
-	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
-	struct wcd938x_priv *wcd938x = snd_soc_component_get_drvdata(component);
-
-	if (wcd938x->bcs_dis == ucontrol->value.integer.value[0])
-		return 0;
-
-	wcd938x->bcs_dis = ucontrol->value.integer.value[0];
-
-	return 1;
-}
-
 static const char * const tx_mode_mux_text_wcd9380[] = {
 	"ADC_INVALID", "ADC_HIFI", "ADC_LO_HIF", "ADC_NORMAL", "ADC_LP",
 };
@@ -2695,8 +2669,6 @@ static const struct snd_kcontrol_new wcd938x_snd_controls[] = {
 		       wcd938x_get_swr_port, wcd938x_set_swr_port),
 	SOC_SINGLE_EXT("LDOH Enable Switch", SND_SOC_NOPM, 0, 1, 0,
 		       wcd938x_ldoh_get, wcd938x_ldoh_put),
-	SOC_SINGLE_EXT("ADC2_BCS Disable Switch", SND_SOC_NOPM, 0, 1, 0,
-		       wcd938x_bcs_get, wcd938x_bcs_put),
 
 	SOC_SINGLE_TLV("ADC1 Volume", WCD938X_ANA_TX_CH1, 0, 20, 0, analog_gain),
 	SOC_SINGLE_TLV("ADC2 Volume", WCD938X_ANA_TX_CH2, 0, 20, 0, analog_gain),