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asoc: codecs: Fix pop issue on WSA cold start

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Observe pop if FS clock is turned on at end of
powerup sequence. Ensure WSA PA is turned on
after FS clock to avoid pop.

Change-Id: Ic1214d361e77db252b7a90a89fc99c69f51e270b
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
This commit is contained in:
Laxminath Kasam
2019-09-17 23:43:34 +05:30
parent 13485b7fe1
commit 069df14aa0
5 changed files with 53 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
asoc/codecs/wsa881x.c
View File

@@ -117,6 +117,7 @@ enum {
BOLERO_WSA_EVT_PA_OFF_PRE_SSR,
BOLERO_WSA_EVT_SSR_DOWN,
BOLERO_WSA_EVT_SSR_UP,
BOLERO_WSA_EVT_PA_ON_POST_FSCLK,
};
struct wsa_ctrl_platform_data {
@@ -1030,6 +1031,10 @@ static int wsa881x_spkr_pa_event(struct snd_soc_dapm_widget *w,
break;
case SND_SOC_DAPM_POST_PMU:
if (!wsa881x->bolero_dev)
snd_soc_component_update_bits(component,
WSA881X_SPKR_DRV_EN,
0x80, 0x80);
if (!wsa881x->comp_enable) {
max_gain = wsa881x->pa_gain;
/*
@@ -1063,6 +1068,9 @@ static int wsa881x_spkr_pa_event(struct snd_soc_dapm_widget *w,
wsa881x->swr_slave->dev_num);
break;
case SND_SOC_DAPM_POST_PMD:
snd_soc_component_update_bits(component,
WSA881X_SPKR_DRV_EN,
0x80, 0x00);
if (wsa881x->visense_enable) {
wsa881x_visense_adc_ctrl(component, DISABLE);
wsa881x_visense_txfe_ctrl(component, DISABLE,
@@ -1088,7 +1096,7 @@ static const struct snd_soc_dapm_widget wsa881x_dapm_widgets[] = {
wsa881x_rdac_event,
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_PGA_E("SPKR PGA", WSA881X_SPKR_DRV_EN, 7, 0, NULL, 0,
SND_SOC_DAPM_PGA_E("SPKR PGA", SND_SOC_NOPM, 0, 0, NULL, 0,
wsa881x_spkr_pa_event, SND_SOC_DAPM_PRE_PMU |
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
@@ -1381,6 +1389,12 @@ static int wsa881x_event_notify(struct notifier_block *nb,
WSA881X_SPKR_DRV_EN,
0x80, 0x00);
break;
case BOLERO_WSA_EVT_PA_ON_POST_FSCLK:
if ((snd_soc_component_read32(wsa881x->component,
WSA881X_SPKR_DAC_CTL) & 0x80) == 0x80)
snd_soc_component_update_bits(wsa881x->component,
WSA881X_SPKR_DRV_EN,
0x80, 0x80);
default:
break;
}