+static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct generic_data *data = chip->model_data;
+ unsigned int reg;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ reg = data->wm8785_regs[WM8785_R2] & ~(WM8785_HPFR | WM8785_HPFL);
+ if (value->value.enumerated.item[0])
+ reg |= WM8785_HPFR | WM8785_HPFL;
+ changed = reg != data->wm8785_regs[WM8785_R2];
+ if (changed)
+ wm8785_write(chip, WM8785_R2, reg);
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static const struct snd_kcontrol_new hpf_control = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "ADC Filter Capture Enum",
+ .info = hpf_info,
+ .get = hpf_get,
+ .put = hpf_put,
+};
+
+static int generic_mixer_init(struct oxygen *chip)
+{
+ return snd_ctl_add(chip->card, snd_ctl_new1(&rolloff_control, chip));
+}
+
+static int generic_wm8785_mixer_init(struct oxygen *chip)
+{
+ int err;
+
+ err = generic_mixer_init(chip);
+ if (err < 0)
+ return err;
+ err = snd_ctl_add(chip->card, snd_ctl_new1(&hpf_control, chip));
+ if (err < 0)
+ return err;
+ return 0;
+}
+
+static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
+