samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

asoc: bolero: avoid TX distortion by runtime HPF param change

Browse Source 
Runtime HPF param change leads to TX distortion at the beginning.
Unmute HPF after param change.

Change-Id: I7683ca047123dd004fb2dd019365305edfc72ea5
Signed-off-by: Xiaojun Sang <xsang@codeaurora.org>
This commit is contained in:
Xiaojun Sang
2018-10-11 15:11:59 +08:00
parent 38b030aa40
commit d155fdcb2f
2 changed files with 6 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
asoc/codecs/bolero/tx-macro.c
View File

@@ -370,10 +370,10 @@ static void tx_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
tx_hpf_set:
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);
snd_soc_update_bits(codec, hpf_gate_reg, 0x03, 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);
snd_soc_update_bits(codec, hpf_gate_reg, 0x03, 0x01);
}
static void tx_macro_mute_update_callback(struct work_struct *work)
@@ -382,7 +382,7 @@ static void tx_macro_mute_update_callback(struct work_struct *work)
struct snd_soc_codec *codec = NULL;
struct tx_macro_priv *tx_priv = NULL;
struct delayed_work *delayed_work = NULL;
u16 tx_vol_ctl_reg = 0, hpf_gate_reg = 0;
u16 tx_vol_ctl_reg = 0;
u8 decimator = 0;
delayed_work = to_delayed_work(work);
@@ -394,9 +394,6 @@ static void tx_macro_mute_update_callback(struct work_struct *work)
tx_vol_ctl_reg =
BOLERO_CDC_TX0_TX_PATH_CTL +
TX_MACRO_TX_PATH_OFFSET * decimator;
hpf_gate_reg = BOLERO_CDC_TX0_TX_PATH_SEC2 +
TX_MACRO_TX_PATH_OFFSET * decimator;
snd_soc_update_bits(codec, hpf_gate_reg, 0x01, 0x01);
snd_soc_update_bits(codec, tx_vol_ctl_reg, 0x10, 0x00);
dev_dbg(tx_priv->dev, "%s: decimator %u unmute\n",
__func__, decimator);