diff options
| author | Lucas Tanure <tanureal@opensource.cirrus.com> | 2021-03-06 21:55:48 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-03-10 16:14:26 +0300 |
| commit | 585e7079de0eac555bcdfe6284e439ee05fb18cb (patch) | |
| tree | 342fcd870e4368a4c7b41bbd0327565c30c6209c /sound/soc/codecs/cs42l42.c | |
| parent | 43fc357199f90c0e6ee7082fb0a989b0560be2d6 (diff) | |
| download | linux-585e7079de0eac555bcdfe6284e439ee05fb18cb.tar.xz | |
ASoC: cs42l42: Add Capture Support
Add support for capture path on headseat pins
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210306185553.62053-11-tanureal@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/cs42l42.c')
| -rw-r--r-- | sound/soc/codecs/cs42l42.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index 2dca55dfa46d..b5084681aaab 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -472,6 +472,18 @@ static const struct snd_soc_dapm_widget cs42l42_dapm_widgets[] = { /* Playback Requirements */ SND_SOC_DAPM_SUPPLY("ASP DAI0", CS42L42_PWR_CTL1, CS42L42_ASP_DAI_PDN_SHIFT, 1, NULL, 0), + + /* Capture Path */ + SND_SOC_DAPM_INPUT("HS"), + SND_SOC_DAPM_ADC("ADC", NULL, CS42L42_PWR_CTL1, CS42L42_ADC_PDN_SHIFT, 1), + SND_SOC_DAPM_AIF_OUT("SDOUT1", NULL, 0, CS42L42_ASP_TX_CH_EN, CS42L42_ASP_TX0_CH1_SHIFT, 0), + SND_SOC_DAPM_AIF_OUT("SDOUT2", NULL, 1, CS42L42_ASP_TX_CH_EN, CS42L42_ASP_TX0_CH2_SHIFT, 0), + + /* Capture Requirements */ + SND_SOC_DAPM_SUPPLY("ASP DAO0", CS42L42_PWR_CTL1, CS42L42_ASP_DAO_PDN_SHIFT, 1, NULL, 0), + SND_SOC_DAPM_SUPPLY("ASP TX EN", CS42L42_ASP_TX_SZ_EN, CS42L42_ASP_TX_EN_SHIFT, 0, NULL, 0), + + /* Playback/Capture Requirements */ SND_SOC_DAPM_SUPPLY("SCLK", CS42L42_ASP_CLK_CFG, CS42L42_ASP_SCLK_EN_SHIFT, 0, NULL, 0), }; @@ -489,6 +501,21 @@ static const struct snd_soc_dapm_route cs42l42_audio_map[] = { {"SDIN2", NULL, "ASP DAI0"}, {"SDIN1", NULL, "SCLK"}, {"SDIN2", NULL, "SCLK"}, + + /* Capture Path */ + {"ADC", NULL, "HS"}, + { "SDOUT1", NULL, "ADC" }, + { "SDOUT2", NULL, "ADC" }, + { "Capture", NULL, "SDOUT1" }, + { "Capture", NULL, "SDOUT2" }, + + /* Capture Requirements */ + { "SDOUT1", NULL, "ASP DAO0" }, + { "SDOUT2", NULL, "ASP DAO0" }, + { "SDOUT1", NULL, "SCLK" }, + { "SDOUT2", NULL, "SCLK" }, + { "SDOUT1", NULL, "ASP TX EN" }, + { "SDOUT2", NULL, "ASP TX EN" }, }; static int cs42l42_component_probe(struct snd_soc_component *component) @@ -748,12 +775,24 @@ static int cs42l42_pcm_hw_params(struct snd_pcm_substream *substream, { struct snd_soc_component *component = dai->component; struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component); + unsigned int channels = params_channels(params); unsigned int width = (params_width(params) / 8) - 1; unsigned int val = 0; cs42l42->srate = params_rate(params); switch(substream->stream) { + case SNDRV_PCM_STREAM_CAPTURE: + if (channels == 2) { + val |= CS42L42_ASP_TX_CH2_AP_MASK; + val |= width << CS42L42_ASP_TX_CH2_RES_SHIFT; + } + val |= width << CS42L42_ASP_TX_CH1_RES_SHIFT; + + snd_soc_component_update_bits(component, CS42L42_ASP_TX_CH_AP_RES, + CS42L42_ASP_TX_CH1_AP_MASK | CS42L42_ASP_TX_CH2_AP_MASK | + CS42L42_ASP_TX_CH2_RES_MASK | CS42L42_ASP_TX_CH1_RES_MASK, val); + break; case SNDRV_PCM_STREAM_PLAYBACK: val |= width << CS42L42_ASP_RX_CH_RES_SHIFT; /* channel 1 on low LRCLK */ |