From: Trevor Wu Date: Fri, 25 Aug 2023 02:49:33 +0000 (+0800) Subject: ASoC: mediatek: mt8188-mt6359: support dynamic pinctrl X-Git-Tag: v6.6.17~2959 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a3e98ceff6e9ee7e6f012e704f51af4cdfafc41a;p=platform%2Fkernel%2Flinux-rpi.git ASoC: mediatek: mt8188-mt6359: support dynamic pinctrl [ Upstream commit d601bb78f06b9e3cbb52e6b87b88add9920a11b6 ] To avoid power leakage, it is recommended to replace the default pinctrl state with dynamic pinctrl since certain audio pinmux functions can remain in a HIGH state even when audio is disabled. Linking pinctrl with DAPM using SND_SOC_DAPM_PINCTRL will ensure that audio pins remain in GPIO mode by default and only switch to an audio function when necessary. Signed-off-by: Trevor Wu Reviewed-by: AngeloGioacchino Del Regno Link: https://lore.kernel.org/r/20230825024935.10878-2-trevor.wu@mediatek.com Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- diff --git a/sound/soc/mediatek/mt8188/mt8188-mt6359.c b/sound/soc/mediatek/mt8188/mt8188-mt6359.c index 9017f48..f7e22ab 100644 --- a/sound/soc/mediatek/mt8188/mt8188-mt6359.c +++ b/sound/soc/mediatek/mt8188/mt8188-mt6359.c @@ -246,6 +246,11 @@ static const struct snd_soc_dapm_widget mt8188_mt6359_widgets[] = { SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_SINK("HDMI"), SND_SOC_DAPM_SINK("DP"), + + /* dynamic pinctrl */ + SND_SOC_DAPM_PINCTRL("ETDM_SPK_PIN", "aud_etdm_spk_on", "aud_etdm_spk_off"), + SND_SOC_DAPM_PINCTRL("ETDM_HP_PIN", "aud_etdm_hp_on", "aud_etdm_hp_off"), + SND_SOC_DAPM_PINCTRL("MTKAIF_PIN", "aud_mtkaif_on", "aud_mtkaif_off"), }; static const struct snd_kcontrol_new mt8188_mt6359_controls[] = { @@ -267,6 +272,7 @@ static int mt8188_mt6359_mtkaif_calibration(struct snd_soc_pcm_runtime *rtd) snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME); struct snd_soc_component *cmpnt_codec = asoc_rtd_to_codec(rtd, 0)->component; + struct snd_soc_dapm_widget *pin_w = NULL, *w; struct mtk_base_afe *afe; struct mt8188_afe_private *afe_priv; struct mtkaif_param *param; @@ -306,6 +312,18 @@ static int mt8188_mt6359_mtkaif_calibration(struct snd_soc_pcm_runtime *rtd) return 0; } + for_each_card_widgets(rtd->card, w) { + if (!strcmp(w->name, "MTKAIF_PIN")) { + pin_w = w; + break; + } + } + + if (pin_w) + dapm_pinctrl_event(pin_w, NULL, SND_SOC_DAPM_PRE_PMU); + else + dev_dbg(afe->dev, "%s(), no pinmux widget, please check if default on\n", __func__); + pm_runtime_get_sync(afe->dev); mt6359_mtkaif_calibration_enable(cmpnt_codec); @@ -403,6 +421,9 @@ static int mt8188_mt6359_mtkaif_calibration(struct snd_soc_pcm_runtime *rtd) for (i = 0; i < MT8188_MTKAIF_MISO_NUM; i++) param->mtkaif_phase_cycle[i] = mtkaif_phase_cycle[i]; + if (pin_w) + dapm_pinctrl_event(pin_w, NULL, SND_SOC_DAPM_POST_PMD); + dev_dbg(afe->dev, "%s(), end, calibration ok %d\n", __func__, param->mtkaif_calibration_ok);