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Commit e99fdc13 authored by Laxminath Kasam's avatar Laxminath Kasam
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ASoC: wcd9335: reduce speaker teardown latency 



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: default avatarLaxminath Kasam <lkasam@codeaurora.org>
parent 9b82a4c5

sound/soc/codecs/wcd9335.c

+27 −7
Original line number Diff line number Diff line
@@ -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,