};
 
 /* Analog/Digital Selection */
-static const char *adcx140_mic_sel_text[] = {"Analog", "Line In", "Digital"};
-static const char *adcx140_analog_sel_text[] = {"Analog", "Line In"};
+static const char * const adcx140_mic_sel_text[] = {"Analog", "Line In", "Digital"};
+static const char * const adcx140_analog_sel_text[] = {"Analog", "Line In"};
 
 static SOC_ENUM_SINGLE_DECL(adcx140_mic1p_enum,
                            ADCX140_CH1_CFG0, 5,
                gpiod_direction_output(adcx140->gpio_reset, 1);
        } else {
                ret = regmap_write(adcx140->regmap, ADCX140_SW_RESET,
-                         ADCX140_RESET);
+                                  ADCX140_RESET);
        }
 
        /* 8.4.2: wait >= 10 ms after entering sleep mode. */
        if (ret)
                goto out;
 
-       if(adcx140->supply_areg == NULL)
+       if (adcx140->supply_areg == NULL)
                sleep_cfg_val |= ADCX140_AREG_INTERNAL;
 
        ret = regmap_write(adcx140->regmap, ADCX140_SLEEP_CFG, sleep_cfg_val);
        if (IS_ERR(adcx140->supply_areg)) {
                if (PTR_ERR(adcx140->supply_areg) == -EPROBE_DEFER)
                        return -EPROBE_DEFER;
-               else
-                       adcx140->supply_areg = NULL;
+
+               adcx140->supply_areg = NULL;
        } else {
                ret = regulator_enable(adcx140->supply_areg);
                if (ret) {