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Commit dace0ce8 authored by Phani Kumar Uppalapati's avatar Phani Kumar Uppalapati
Browse files

ASoC: wcd9330: Add HD2 tuning coefficients for HPH path 



Add 2nd Harmonic Distortion (HD2) tuning coefficients
for HPH path. HD2 coefficients get turned ON during HPH
enable and turned OFF during path tear down. Enabling HD2
coefficients would increase the Headphone PA efficiency during
audio playback.

Change-Id: I24bc053e6401d5b8f45dc62d88c7fe6a5ba01447
Signed-off-by: default avatarPhani Kumar Uppalapati <phaniu@codeaurora.org>
parent e1b6fe17

sound/soc/codecs/wcd9330.c

+20 −2
Original line number Diff line number Diff line
@@ -3468,6 +3468,14 @@ static int tomtom_hphl_dac_event(struct snd_soc_dapm_widget *w, 
			dev_dbg(codec->dev, "%s: Failed to get mbhc impedance %d\n",

						__func__, ret);

		break;

	case SND_SOC_DAPM_POST_PMU:

		snd_soc_update_bits(codec, TOMTOM_A_CDC_RX1_B3_CTL, 0xBC, 0x94);

		snd_soc_update_bits(codec, TOMTOM_A_CDC_RX1_B4_CTL, 0x30, 0x10);

		break;

	case SND_SOC_DAPM_PRE_PMD:

		snd_soc_update_bits(codec, TOMTOM_A_CDC_RX1_B3_CTL, 0xBC, 0x00);

		snd_soc_update_bits(codec, TOMTOM_A_CDC_RX1_B4_CTL, 0x30, 0x00);

		break;

	case SND_SOC_DAPM_POST_PMD:

		break;

	}
@@ -3496,6 +3504,14 @@ static int tomtom_hphr_dac_event(struct snd_soc_dapm_widget *w, 
						WCD9XXX_CLSAB_REQ_ENABLE);

		}

		break;

	case SND_SOC_DAPM_POST_PMU:

		snd_soc_update_bits(codec, TOMTOM_A_CDC_RX2_B3_CTL, 0xBC, 0x94);

		snd_soc_update_bits(codec, TOMTOM_A_CDC_RX2_B4_CTL, 0x30, 0x10);

		break;

	case SND_SOC_DAPM_PRE_PMD:

		snd_soc_update_bits(codec, TOMTOM_A_CDC_RX2_B3_CTL, 0xBC, 0x00);

		snd_soc_update_bits(codec, TOMTOM_A_CDC_RX2_B4_CTL, 0x30, 0x00);

		break;

	case SND_SOC_DAPM_POST_PMD:

		snd_soc_update_bits(codec, w->reg, 0x40, 0x00);

		break;
@@ -5799,7 +5815,8 @@ static const struct snd_soc_dapm_widget tomtom_dapm_widgets[] = { 
		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),

	SND_SOC_DAPM_MIXER_E("HPHL DAC", TOMTOM_A_RX_HPH_L_DAC_CTL, 7, 0,

		hphl_switch, ARRAY_SIZE(hphl_switch), tomtom_hphl_dac_event,

		SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),

		SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |

		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),



	SND_SOC_DAPM_PGA_E("HPHR", TOMTOM_A_RX_HPH_CNP_EN, 4, 0, NULL, 0,

		tomtom_hph_pa_event, SND_SOC_DAPM_PRE_PMU |
@@ -5807,7 +5824,8 @@ static const struct snd_soc_dapm_widget tomtom_dapm_widgets[] = { 


	SND_SOC_DAPM_DAC_E("HPHR DAC", NULL, TOMTOM_A_RX_HPH_R_DAC_CTL, 7, 0,

		tomtom_hphr_dac_event,

		SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),

		SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |

		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),



	/* Speaker */

	SND_SOC_DAPM_OUTPUT("LINEOUT1"),