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asoc: lpass-cdc: update logic for va clk switch

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SVA switch is not retain at VA_CLK when switch
between handset and headset mic sva. Update the
clock release logic during swr power event.

Change-Id: I52c5f7576426af2ff385a862da872e8d86959ecb
Signed-off-by: Meng Wang <mengw@codeaurora.org>
This commit is contained in:
Meng Wang
2021-07-22 15:53:20 +08:00
parent 6a725a093e
commit f55dedc581
1 changed files with 23 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
asoc/codecs/lpass-cdc/lpass-cdc-va-macro.c
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@@ -173,6 +173,8 @@ struct lpass_cdc_va_macro_priv {
int dec_mode[LPASS_CDC_VA_MACRO_NUM_DECIMATORS];
int pcm_rate[LPASS_CDC_VA_MACRO_NUM_DECIMATORS];
bool wcd_dmic_enabled;
int dapm_tx_clk_status;
u16 current_clk_id;
};
static bool lpass_cdc_va_macro_get_data(struct snd_soc_component *component,
@@ -421,7 +423,14 @@ static int lpass_cdc_va_macro_swr_pwr_event(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_PRE_PMU:
if (va_priv->default_clk_id != VA_CORE_CLK) {
dev_dbg(component->dev,
"%s: va_swr_clk_cnt %d, tx_swr_clk_cnt %d, tx_clk_status %d\n",
__func__, va_priv->va_swr_clk_cnt,
va_priv->tx_swr_clk_cnt, va_priv->tx_clk_status);
if (va_priv->current_clk_id == VA_CORE_CLK) {
return 0;
} else if ( va_priv->va_swr_clk_cnt != 0 &&
va_priv->tx_clk_status) {
ret = lpass_cdc_va_macro_core_vote(va_priv, true);
if (ret < 0) {
dev_err(va_priv->dev,
@@ -454,10 +463,13 @@ static int lpass_cdc_va_macro_swr_pwr_event(struct snd_soc_dapm_widget *w,
false);
break;
}
va_priv->current_clk_id = VA_CORE_CLK;
}
break;
case SND_SOC_DAPM_POST_PMD:
if (va_priv->default_clk_id == TX_CORE_CLK) {
if (va_priv->current_clk_id == VA_CORE_CLK &&
va_priv->va_swr_clk_cnt != 0 &&
va_priv->tx_clk_status) {
ret = lpass_cdc_clk_rsc_request_clock(va_priv->dev,
va_priv->default_clk_id,
TX_CORE_CLK,
@@ -490,6 +502,7 @@ static int lpass_cdc_va_macro_swr_pwr_event(struct snd_soc_dapm_widget *w,
false);
break;
}
va_priv->current_clk_id = TX_CORE_CLK;
}
break;
default:
@@ -541,7 +554,7 @@ static int lpass_cdc_va_macro_mclk_event(struct snd_soc_dapm_widget *w,
TX_CORE_CLK,
true);
if (!ret)
va_priv->tx_clk_status++;
va_priv->dapm_tx_clk_status++;
if (va_priv->lpi_enable)
ret = lpass_cdc_va_macro_mclk_enable(va_priv, 1, true);
@@ -554,12 +567,12 @@ static int lpass_cdc_va_macro_mclk_event(struct snd_soc_dapm_widget *w,
else
lpass_cdc_tx_mclk_enable(component, 0);
if (va_priv->tx_clk_status > 0) {
if (va_priv->dapm_tx_clk_status > 0) {
lpass_cdc_clk_rsc_request_clock(va_priv->dev,
va_priv->default_clk_id,
TX_CORE_CLK,
false);
va_priv->tx_clk_status--;
va_priv->dapm_tx_clk_status--;
}
break;
default:
@@ -1309,12 +1322,12 @@ static int lpass_cdc_va_macro_enable_tx(struct snd_soc_dapm_widget *w,
switch (event) {
case SND_SOC_DAPM_POST_PMU:
if (va_priv->tx_clk_status > 0) {
if (va_priv->dapm_tx_clk_status > 0) {
ret = lpass_cdc_clk_rsc_request_clock(va_priv->dev,
va_priv->default_clk_id,
TX_CORE_CLK,
false);
va_priv->tx_clk_status--;
va_priv->dapm_tx_clk_status--;
}
break;
case SND_SOC_DAPM_PRE_PMD:
@@ -1323,7 +1336,7 @@ static int lpass_cdc_va_macro_enable_tx(struct snd_soc_dapm_widget *w,
TX_CORE_CLK,
true);
if (!ret)
va_priv->tx_clk_status++;
va_priv->dapm_tx_clk_status++;
break;
default:
dev_err(va_priv->dev,
@@ -1971,9 +1984,7 @@ static const struct snd_soc_dapm_route va_audio_map[] = {
{"VA SWR_INPUT", NULL, "VA_SWR_PWR"},
{"VA_AIF1 CAP", NULL, "VA_SWR_CLK"},
{"VA_AIF2 CAP", NULL, "VA_SWR_CLK"},
{"VA_AIF3 CAP", NULL, "VA_SWR_CLK"},
{"VA SWR_INPUT", NULL, "VA_SWR_CLK"},
};
static const char * const dec_mode_mux_text[] = {
@@ -2464,6 +2475,7 @@ static int lpass_cdc_va_macro_probe(struct platform_device *pdev)
}
va_priv->clk_id = VA_CORE_CLK;
va_priv->default_clk_id = default_clk_id;
va_priv->current_clk_id = TX_CORE_CLK;
if (is_used_va_swr_gpio) {
va_priv->reset_swr = true;