From 621d65f3b868611df62ae4dc4eb1a37b85e4e8c0 Mon Sep 17 00:00:00 2001 From: Lucas Tanure Date: Sat, 6 Mar 2021 18:55:46 +0000 Subject: [PATCH] ASoC: cs42l42: Provide finer control on playback path Removing cs42l42_hpdrv_evt that enables the entire chain and replace by a set of widgets that can better define the codec Signed-off-by: Lucas Tanure Link: https://lore.kernel.org/r/20210306185553.62053-9-tanureal@opensource.cirrus.com Signed-off-by: Mark Brown --- sound/soc/codecs/cs42l42.c | 65 +++++++++++++------------------------- sound/soc/codecs/cs42l42.h | 8 ++--- 2 files changed, 26 insertions(+), 47 deletions(-) diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index 81cdd09d80bb..0b5c8e4afff0 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -462,54 +462,33 @@ static const struct snd_kcontrol_new cs42l42_snd_controls[] = { 0x3f, 1, mixer_tlv) }; -static int cs42l42_hpdrv_evt(struct snd_soc_dapm_widget *w, - struct snd_kcontrol *kcontrol, int event) -{ - struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); - - if (event & SND_SOC_DAPM_POST_PMU) { - /* Enable the channels */ - snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_EN, - CS42L42_ASP_RX0_CH_EN_MASK, - (CS42L42_ASP_RX0_CH1_EN | - CS42L42_ASP_RX0_CH2_EN) << - CS42L42_ASP_RX0_CH_EN_SHIFT); - - /* Power up */ - snd_soc_component_update_bits(component, CS42L42_PWR_CTL1, - CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK | - CS42L42_HP_PDN_MASK, 0); - } else if (event & SND_SOC_DAPM_PRE_PMD) { - /* Disable the channels */ - snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_EN, - CS42L42_ASP_RX0_CH_EN_MASK, 0); - - /* Power down */ - snd_soc_component_update_bits(component, CS42L42_PWR_CTL1, - CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK | - CS42L42_HP_PDN_MASK, - CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK | - CS42L42_HP_PDN_MASK); - } else { - dev_err(component->dev, "Invalid event 0x%x\n", event); - } - return 0; -} - static const struct snd_soc_dapm_widget cs42l42_dapm_widgets[] = { + /* Playback Path */ SND_SOC_DAPM_OUTPUT("HP"), - SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, CS42L42_ASP_CLK_CFG, - CS42L42_ASP_SCLK_EN_SHIFT, false), - SND_SOC_DAPM_OUT_DRV_E("HPDRV", SND_SOC_NOPM, 0, - 0, NULL, 0, cs42l42_hpdrv_evt, - SND_SOC_DAPM_POST_PMU | - SND_SOC_DAPM_PRE_PMD) + SND_SOC_DAPM_DAC("DAC", NULL, CS42L42_PWR_CTL1, CS42L42_HP_PDN_SHIFT, 1), + SND_SOC_DAPM_MIXER("MIXER", CS42L42_PWR_CTL1, CS42L42_MIXER_PDN_SHIFT, 1, NULL, 0), + SND_SOC_DAPM_AIF_IN("SDIN1", NULL, 0, CS42L42_ASP_RX_DAI0_EN, CS42L42_ASP_RX0_CH1_SHIFT, 0), + SND_SOC_DAPM_AIF_IN("SDIN2", NULL, 1, CS42L42_ASP_RX_DAI0_EN, CS42L42_ASP_RX0_CH2_SHIFT, 0), + + /* Playback Requirements */ + SND_SOC_DAPM_SUPPLY("ASP DAI0", CS42L42_PWR_CTL1, CS42L42_ASP_DAI_PDN_SHIFT, 1, NULL, 0), + SND_SOC_DAPM_SUPPLY("SCLK", CS42L42_ASP_CLK_CFG, CS42L42_ASP_SCLK_EN_SHIFT, 0, NULL, 0), }; static const struct snd_soc_dapm_route cs42l42_audio_map[] = { - {"SDIN", NULL, "Playback"}, - {"HPDRV", NULL, "SDIN"}, - {"HP", NULL, "HPDRV"} + /* Playback Path */ + {"HP", NULL, "DAC"}, + {"DAC", NULL, "MIXER"}, + {"MIXER", NULL, "SDIN1"}, + {"MIXER", NULL, "SDIN2"}, + {"SDIN1", NULL, "Playback"}, + {"SDIN2", NULL, "Playback"}, + + /* Playback Requirements */ + {"SDIN1", NULL, "ASP DAI0"}, + {"SDIN2", NULL, "ASP DAI0"}, + {"SDIN1", NULL, "SCLK"}, + {"SDIN2", NULL, "SCLK"}, }; static int cs42l42_component_probe(struct snd_soc_component *component) diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h index 866d7c873e3c..4b448c102f53 100644 --- a/sound/soc/codecs/cs42l42.h +++ b/sound/soc/codecs/cs42l42.h @@ -695,10 +695,10 @@ #define CS42L42_ASP_RX_DAI0_EN (CS42L42_PAGE_2A + 0x01) #define CS42L42_ASP_RX0_CH_EN_SHIFT 2 #define CS42L42_ASP_RX0_CH_EN_MASK (0xf << CS42L42_ASP_RX0_CH_EN_SHIFT) -#define CS42L42_ASP_RX0_CH1_EN 1 -#define CS42L42_ASP_RX0_CH2_EN 2 -#define CS42L42_ASP_RX0_CH3_EN 4 -#define CS42L42_ASP_RX0_CH4_EN 8 +#define CS42L42_ASP_RX0_CH1_SHIFT 2 +#define CS42L42_ASP_RX0_CH2_SHIFT 3 +#define CS42L42_ASP_RX0_CH3_SHIFT 4 +#define CS42L42_ASP_RX0_CH4_SHIFT 5 #define CS42L42_ASP_RX_DAI0_CH1_AP_RES (CS42L42_PAGE_2A + 0x02) #define CS42L42_ASP_RX_DAI0_CH1_BIT_MSB (CS42L42_PAGE_2A + 0x03) -- 2.20.1