/*
* Update the DC servo calibration on gain changes
*/
static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
int ret;
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
/* Updating the analogue gains invalidates the DC servo cache */
hubs->class_w_dcs = 0;
/* If we're applying an offset correction then updating the
* callibration would be likely to introduce further offsets. */
if (hubs->dcs_codes || hubs->no_series_update)
return ret;
/* Only need to do this if the outputs are active */
if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
& (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
snd_soc_update_bits(codec,
WM8993_DC_SERVO_0,
WM8993_DCS_TRIG_SINGLE_0 |
WM8993_DCS_TRIG_SINGLE_1,
WM8993_DCS_TRIG_SINGLE_0 |
WM8993_DCS_TRIG_SINGLE_1);
return ret;
}
static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8350_out_ramp *or = codec->private_data;
struct wm8350_output *out1 = &or->out1, *out2 = &or->out2;
int ret, reg = kcontrol->private_value & 0xff;
u16 val;
/* we cache the OUT1/2 volumes when the codec is inactive to keep
* pops to a low during ramping */
if (reg == WM8350_LOUT1_VOLUME) {
out1->left_vol = ucontrol->value.integer.value[0];
out1->right_vol = ucontrol->value.integer.value[1];
if (!codec->active)
return 1;
} else if (reg == WM8350_LOUT2_VOLUME) {
out2->left_vol = ucontrol->value.integer.value[0];
out2->right_vol = ucontrol->value.integer.value[1];
if (!codec->active)
return 1;
}
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
if (ret < 0)
return ret;
/* now hit the volume update bits (always bit 8) */
val = wm8350_codec_read(codec, reg);
wm8350_codec_write(codec, reg, val | WM8350_OUT1_VU);
return 1;
}
static int wm8350_put_volsw_2r_vu(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8350_data *wm8350_priv = codec->private_data;
struct wm8350_output *out = NULL;
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
int ret;
unsigned int reg = mc->reg;
u16 val;
/* For OUT1 and OUT2 we shadow the values and only actually write
* them out when active in order to ensure the amplifier comes on
* as quietly as possible. */
switch (reg) {
case WM8350_LOUT1_VOLUME:
out = &wm8350_priv->out1;
break;
case WM8350_LOUT2_VOLUME:
out = &wm8350_priv->out2;
break;
default:
break;
}
if (out) {
out->left_vol = ucontrol->value.integer.value[0];
out->right_vol = ucontrol->value.integer.value[1];
if (!out->active)
return 1;
}
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
if (ret < 0)
return ret;
/* now hit the volume update bits (always bit 8) */
val = wm8350_codec_read(codec, reg);
wm8350_codec_write(codec, reg, val | WM8350_OUT1_VU);
return 1;
}
/*
* Update the DC servo calibration on gain changes
*/
static int wm8993_put_dc_servo(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
int ret;
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
/* Only need to do this if the outputs are active */
if (snd_soc_read(codec, WM8993_POWER_MANAGEMENT_1)
& (WM8993_HPOUT1L_ENA | WM8993_HPOUT1R_ENA))
snd_soc_update_bits(codec,
WM8993_DC_SERVO_0,
WM8993_DCS_TRIG_SINGLE_0 |
WM8993_DCS_TRIG_SINGLE_1,
WM8993_DCS_TRIG_SINGLE_0 |
WM8993_DCS_TRIG_SINGLE_1);
return ret;
}
static int cs42888_out_vu(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct soc_mixer_control *mc =
(struct soc_mixer_control *)kcontrol->private_value;
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned int reg = mc->reg;
unsigned int reg2 = mc->rreg;
int ret;
u16 val;
ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
if (ret < 0)
return ret;
/* Now write again with the volume update bit set */
val = cs42888_read_reg_cache(codec, reg);
ret = cs42888_i2c_write(codec, reg, val);
val = cs42888_read_reg_cache(codec, reg2);
ret = cs42888_i2c_write(codec, reg2, val);
return 0;
}
