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Commit 1cc9fe64 authored by Karthikeyan Mani's avatar Karthikeyan Mani Committed by Gerrit - the friendly Code Review server
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asoc: codecs: bolero: enable button click suppression block 



Enable bcs block for recording use cases to
reduce glitches caused by button events or
plug removal events on the record path.

Change-Id: I7a8556178a196c03009cdc487aff5424d5e1787a
Signed-off-by: default avatarKarthikeyan Mani <kmani@codeaurora.org>
parent 4f9692fe

asoc/codecs/bolero/tx-macro.c

+48 −0
Original line number Diff line number Diff line
@@ -160,6 +160,7 @@ struct tx_macro_priv { 
	struct platform_device *pdev_child_devices

			[TX_MACRO_CHILD_DEVICES_MAX];

	int child_count;

	bool bcs_enable;

};



static bool tx_macro_get_data(struct snd_soc_codec *codec,
@@ -572,6 +573,36 @@ static int tx_macro_tx_mixer_put(struct snd_kcontrol *kcontrol, 


	return 0;

}

static int tx_macro_get_bcs(struct snd_kcontrol *kcontrol,

			    struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);

	struct tx_macro_priv *tx_priv = NULL;

	struct device *tx_dev = NULL;



	if (!tx_macro_get_data(codec, &tx_dev, &tx_priv, __func__))

		return -EINVAL;



	ucontrol->value.integer.value[0] = tx_priv->bcs_enable;



	return 0;

}



static int tx_macro_set_bcs(struct snd_kcontrol *kcontrol,

			    struct snd_ctl_elem_value *ucontrol)

{

	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);

	struct tx_macro_priv *tx_priv = NULL;

	struct device *tx_dev = NULL;

	int value = ucontrol->value.integer.value[0];



	if (!tx_macro_get_data(codec, &tx_dev, &tx_priv, __func__))

		return -EINVAL;



	tx_priv->bcs_enable = value;



	return 0;

}



static int tx_macro_enable_dmic(struct snd_soc_dapm_widget *w,

		struct snd_kcontrol *kcontrol, int event)
@@ -721,6 +752,12 @@ static int tx_macro_enable_dec(struct snd_soc_dapm_widget *w, 
		/* apply gain after decimator is enabled */

		snd_soc_write(codec, tx_gain_ctl_reg,

			      snd_soc_read(codec, tx_gain_ctl_reg));

		if (tx_priv->bcs_enable) {

			snd_soc_update_bits(codec, dec_cfg_reg,

					0x01, 0x01);

			snd_soc_update_bits(codec, BOLERO_CDC_TX0_TX_PATH_SEC7,

					    0x40, 0x40);

		}

		break;

	case SND_SOC_DAPM_PRE_PMD:

		hpf_cut_off_freq =
@@ -749,6 +786,12 @@ static int tx_macro_enable_dec(struct snd_soc_dapm_widget *w, 
	case SND_SOC_DAPM_POST_PMD:

		snd_soc_update_bits(codec, tx_vol_ctl_reg, 0x20, 0x00);

		snd_soc_update_bits(codec, tx_vol_ctl_reg, 0x10, 0x00);

		if (tx_priv->bcs_enable) {

			snd_soc_update_bits(codec, dec_cfg_reg,

					0x01, 0x00);

			snd_soc_update_bits(codec, BOLERO_CDC_TX0_TX_PATH_SEC7,

					    0x40, 0x00);

		}

		break;

	}

	return 0;
@@ -1419,6 +1462,9 @@ static const struct snd_kcontrol_new tx_macro_snd_controls[] = { 
	SOC_SINGLE_SX_TLV("TX_DEC7 Volume",

			  BOLERO_CDC_TX7_TX_VOL_CTL,

			  0, -84, 40, digital_gain),



	SOC_SINGLE_EXT("DEC0_BCS Switch", SND_SOC_NOPM, 0, 1, 0,

		       tx_macro_get_bcs, tx_macro_set_bcs),

};



static int tx_macro_swrm_clock(void *handle, bool enable)
@@ -1614,6 +1660,8 @@ static int tx_macro_init(struct snd_soc_codec *codec) 
			  tx_macro_mute_update_callback);

	}

	tx_priv->codec = codec;

	snd_soc_update_bits(codec,

		BOLERO_CDC_TX0_TX_PATH_SEC7, 0x3F, 0x0E);



	return 0;

}