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Merge "ASoc: wcd934x: correct High-Z mode for dmic pins"

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Linux Build Service Account 2016-09-15 22:51:55 -07:00 • committed by Gerrit - the friendly Code Review server
commit a97736505b
1 changed files with 23 additions and 30 deletions
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51
sound/soc/codecs/wcd934x/wcd934x.c
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@ -474,6 +474,9 @@ struct tavil_priv {
/* Mad switch reference count */
int mad_switch_cnt;
/* track tavil interface type */
u8 intf_type;
/* to track the status */
unsigned long status_mask;
@ -3919,33 +3922,17 @@ static int tavil_dmic_pin_mode_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
u16 ctl_reg;
u16 dmic_pin;
u8 reg_val, pinctl_position;
pinctl_position = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->shift;
switch (pinctl_position >> 3) {
case 0:
ctl_reg = WCD934X_TEST_DEBUG_PIN_CTL_OE_0;
break;
case 1:
ctl_reg = WCD934X_TEST_DEBUG_PIN_CTL_OE_1;
break;
case 2:
ctl_reg = WCD934X_TEST_DEBUG_PIN_CTL_OE_2;
break;
case 3:
ctl_reg = WCD934X_TEST_DEBUG_PIN_CTL_OE_3;
break;
default:
dev_err(codec->dev, "%s: Invalid pinctl position = %d\n",
__func__, pinctl_position);
return -EINVAL;
}
reg_val = snd_soc_read(codec, ctl_reg);
reg_val = (reg_val >> (pinctl_position & 0x07)) & 0x1;
ucontrol->value.integer.value[0] = reg_val;
dmic_pin = pinctl_position & 0x07;
reg_val = snd_soc_read(codec,
WCD934X_TLMM_DMIC1_CLK_PINCFG + dmic_pin - 1);
ucontrol->value.integer.value[0] = !!reg_val;
return 0;
}
@ -3954,10 +3941,11 @@ static int tavil_dmic_pin_mode_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
u16 ctl_reg, cfg_reg;
struct tavil_priv *tavil = snd_soc_codec_get_drvdata(codec);
u16 ctl_reg, cfg_reg, dmic_pin;
u8 ctl_val, cfg_val, pinctl_position, pinctl_mode, mask;
/* 1- high or low; 0- high Z */
/* 0- high or low; 1- high Z */
pinctl_mode = ucontrol->value.integer.value[0];
pinctl_position = ((struct soc_multi_mixer_control *)
kcontrol->private_value)->shift;
@ -3981,16 +3969,20 @@ static int tavil_dmic_pin_mode_put(struct snd_kcontrol *kcontrol,
return -EINVAL;
}
ctl_val = pinctl_mode << (pinctl_position & 0x07);
ctl_val = ~(pinctl_mode << (pinctl_position & 0x07));
mask = 1 << (pinctl_position & 0x07);
snd_soc_update_bits(codec, ctl_reg, mask, ctl_val);
cfg_reg = WCD934X_TLMM_BIST_MODE_PINCFG + pinctl_position;
if (!pinctl_mode)
cfg_val = 0x4;
dmic_pin = pinctl_position & 0x07;
cfg_reg = WCD934X_TLMM_DMIC1_CLK_PINCFG + dmic_pin - 1;
if (pinctl_mode) {
if (tavil->intf_type == WCD9XXX_INTERFACE_TYPE_SLIMBUS)
cfg_val = 0x6;
else
cfg_val = 0xD;
} else
cfg_val = 0;
snd_soc_update_bits(codec, cfg_reg, 0x07, cfg_val);
snd_soc_update_bits(codec, cfg_reg, 0x1F, cfg_val);
dev_dbg(codec->dev, "%s: reg=0x%x mask=0x%x val=%d reg=0x%x val=%d\n",
__func__, ctl_reg, mask, ctl_val, cfg_reg, cfg_val);
@ -7212,6 +7204,7 @@ static int tavil_soc_codec_probe(struct snd_soc_codec *codec)
dev_info(codec->dev, "%s()\n", __func__);
tavil = snd_soc_codec_get_drvdata(codec);
tavil->intf_type = wcd9xxx_get_intf_type();
/* Resource Manager post Init */
ret = wcd_resmgr_post_init(tavil->resmgr, NULL, codec);