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ASoC: wcd9335: reduce speaker teardown latency

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In tasha codec, speaker teardown latency is high.
Acquire clock gear for complete teardown sequence
to improve latency.

CRs-Fixed: 1065561
Change-Id: I7db756e363cb66d22eb5d516e6e512e89e26e6a3
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
This commit is contained in:
Laxminath Kasam 2016-09-12 16:17:23 +05:30
parent 9b82a4c589
commit e99fdc1340
1 changed files with 27 additions and 7 deletions
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34
sound/soc/codecs/wcd9335.c
View file

@ -3136,8 +3136,13 @@ static int tasha_codec_enable_slimrx(struct snd_soc_dapm_widget *w,
dai->rate, dai->bit_width,
&dai->grph);
break;
case SND_SOC_DAPM_POST_PMD:
case SND_SOC_DAPM_PRE_PMD:
if (!test_bit(SB_CLK_GEAR, &tasha_p->status_mask)) {
tasha_codec_vote_max_bw(codec, true);
set_bit(SB_CLK_GEAR, &tasha_p->status_mask);
}
break;
case SND_SOC_DAPM_POST_PMD:
ret = wcd9xxx_disconnect_port(core, &dai->wcd9xxx_ch_list,
dai->grph);
dev_dbg(codec->dev, "%s: Disconnect RX port, ret = %d\n",
@ -3151,7 +3156,6 @@ static int tasha_codec_enable_slimrx(struct snd_soc_dapm_widget *w,
__func__);
ret = wcd9xxx_close_slim_sch_rx(core, &dai->wcd9xxx_ch_list,
dai->grph);
tasha_codec_vote_max_bw(codec, false);
break;
}
return ret;
@ -10106,20 +10110,25 @@ static const struct snd_soc_dapm_widget tasha_dapm_widgets[] = {
SND_SOC_DAPM_OUTPUT("ANC EAR"),
SND_SOC_DAPM_AIF_IN_E("AIF1 PB", "AIF1 Playback", 0, SND_SOC_NOPM,
AIF1_PB, 0, tasha_codec_enable_slimrx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_AIF_IN_E("AIF2 PB", "AIF2 Playback", 0, SND_SOC_NOPM,
AIF2_PB, 0, tasha_codec_enable_slimrx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_AIF_IN_E("AIF3 PB", "AIF3 Playback", 0, SND_SOC_NOPM,
AIF3_PB, 0, tasha_codec_enable_slimrx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_AIF_IN_E("AIF4 PB", "AIF4 Playback", 0, SND_SOC_NOPM,
AIF4_PB, 0, tasha_codec_enable_slimrx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_AIF_IN_E("AIF MIX1 PB", "AIF Mix Playback", 0,
SND_SOC_NOPM, AIF_MIX1_PB, 0,
tasha_codec_enable_slimrx,
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD |
SND_SOC_DAPM_POST_PMD),
SND_SOC_DAPM_MUX("SLIM RX0 MUX", SND_SOC_NOPM, TASHA_RX0, 0,
&slim_rx_mux[TASHA_RX0]),
@ -10971,8 +10980,19 @@ static int tasha_startup(struct snd_pcm_substream *substream,
static void tasha_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct tasha_priv *tasha = snd_soc_codec_get_drvdata(dai->codec);
pr_debug("%s(): substream = %s stream = %d\n" , __func__,
substream->name, substream->stream);
if (tasha->intf_type == WCD9XXX_INTERFACE_TYPE_I2C)
return;
if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK) &&
test_bit(SB_CLK_GEAR, &tasha->status_mask)) {
tasha_codec_vote_max_bw(dai->codec, false);
clear_bit(SB_CLK_GEAR, &tasha->status_mask);
}
}
static int tasha_set_decimator_rate(struct snd_soc_dai *dai,