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asoc: bolero: fix pop issue at start of record

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Observe pop at start of recording. Change the
order of HPF setting in decimator enable path
and update freq_change bit for HPF corner frequency change.

Change-Id: I6257671224a792a2afd71209fdc4e0102a83ced8
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
This commit is contained in:
Laxminath Kasam
2018-08-29 21:53:14 +05:30
parent 14f47cc8a6
commit 9eb80226a0
2 changed files with 63 additions and 19 deletions
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42
asoc/codecs/bolero/va-macro.c
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@@ -245,7 +245,7 @@ static void va_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
struct hpf_work *hpf_work;
struct va_macro_priv *va_priv;
struct snd_soc_codec *codec;
u16 dec_cfg_reg;
u16 dec_cfg_reg, hpf_gate_reg;
u8 hpf_cut_off_freq;
hpf_delayed_work = to_delayed_work(work);
@@ -256,12 +256,18 @@ static void va_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
dec_cfg_reg = BOLERO_CDC_VA_TX0_TX_PATH_CFG0 +
VA_MACRO_TX_PATH_OFFSET * hpf_work->decimator;
hpf_gate_reg = BOLERO_CDC_VA_TX0_TX_PATH_SEC2 +
VA_MACRO_TX_PATH_OFFSET * hpf_work->decimator;
dev_dbg(va_priv->dev, "%s: decimator %u hpf_cut_of_freq 0x%x\n",
__func__, hpf_work->decimator, hpf_cut_off_freq);
snd_soc_update_bits(codec, dec_cfg_reg, TX_HPF_CUT_OFF_FREQ_MASK,
hpf_cut_off_freq << 5);
snd_soc_update_bits(codec, hpf_gate_reg, 0x02, 0x02);
/* Minimum 1 clk cycle delay is required as per HW spec */
usleep_range(1000, 1010);
snd_soc_update_bits(codec, hpf_gate_reg, 0x02, 0x00);
}
static void va_macro_mute_update_callback(struct work_struct *work)
@@ -512,15 +518,6 @@ static int va_macro_enable_dec(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
hpf_cut_off_freq = (snd_soc_read(codec, dec_cfg_reg) &
TX_HPF_CUT_OFF_FREQ_MASK) >> 5;
va_priv->va_hpf_work[decimator].hpf_cut_off_freq =
hpf_cut_off_freq;
if (hpf_cut_off_freq != CF_MIN_3DB_150HZ)
snd_soc_update_bits(codec, dec_cfg_reg,
TX_HPF_CUT_OFF_FREQ_MASK,
CF_MIN_3DB_150HZ << 5);
/* Enable TX PGA Mute */
snd_soc_update_bits(codec, tx_vol_ctl_reg, 0x10, 0x10);
break;
@@ -529,6 +526,22 @@ static int va_macro_enable_dec(struct snd_soc_dapm_widget *w,
snd_soc_update_bits(codec, tx_vol_ctl_reg, 0x20, 0x20);
snd_soc_update_bits(codec, hpf_gate_reg, 0x01, 0x00);
hpf_cut_off_freq = (snd_soc_read(codec, dec_cfg_reg) &
TX_HPF_CUT_OFF_FREQ_MASK) >> 5;
va_priv->va_hpf_work[decimator].hpf_cut_off_freq =
hpf_cut_off_freq;
if (hpf_cut_off_freq != CF_MIN_3DB_150HZ) {
snd_soc_update_bits(codec, dec_cfg_reg,
TX_HPF_CUT_OFF_FREQ_MASK,
CF_MIN_3DB_150HZ << 5);
snd_soc_update_bits(codec, hpf_gate_reg, 0x02, 0x02);
/*
* Minimum 1 clk cycle delay is required as per HW spec
*/
usleep_range(1000, 1010);
snd_soc_update_bits(codec, hpf_gate_reg, 0x02, 0x00);
}
/* schedule work queue to Remove Mute */
schedule_delayed_work(&va_priv->va_mute_dwork[decimator].dwork,
msecs_to_jiffies(va_tx_unmute_delay));
@@ -551,6 +564,15 @@ static int va_macro_enable_dec(struct snd_soc_dapm_widget *w,
snd_soc_update_bits(codec, dec_cfg_reg,
TX_HPF_CUT_OFF_FREQ_MASK,
hpf_cut_off_freq << 5);
snd_soc_update_bits(codec, hpf_gate_reg,
0x02, 0x02);
/*
* Minimum 1 clk cycle delay is required
* as per HW spec
*/
usleep_range(1000, 1010);
snd_soc_update_bits(codec, hpf_gate_reg,
0x02, 0x00);
}
}
cancel_delayed_work_sync(