diff options
| author |   Codrin Ciubotariu <codrin.ciubotariu@microchip.com> | 2021-08-03 13:48:25 +0300 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2021-08-03 18:27:15 +0100 |
| commit | 0d73297e483e5b7ce197c0a923424e5dd96eae4d (patch) | |
| tree | cd3443183575ea462662e98424abebb08fc4d0a4 /sound/soc/codecs/ad193x.c | |
| parent | Merge series "soundwire/ASoC: abstract platform-dependent bases" from Bard Liao <yung-chuan.liao@linux.intel.com>: (diff) | |
| download | wireguard-linux-0d73297e483e5b7ce197c0a923424e5dd96eae4d.tar.xz wireguard-linux-0d73297e483e5b7ce197c0a923424e5dd96eae4d.zip | |
ASoC: codecs: ad193x: add support for 96kHz and 192kHz playback rates
ad193x devices support 96KHz and 192KHz sampling rates, when PLL/MCLK is
referenced to 48kHz.
Tested on ad1934.
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Link: https://lore.kernel.org/r/20210803104825.2198335-1-codrin.ciubotariu@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/ad193x.c')
| -rw-r--r-- | sound/soc/codecs/ad193x.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c index f37ab7eda615..278a55af158b 100644 --- a/sound/soc/codecs/ad193x.c +++ b/sound/soc/codecs/ad193x.c @@ -316,6 +316,13 @@ static int ad193x_hw_params(struct snd_pcm_substream *substream, int word_len = 0, master_rate = 0; struct snd_soc_component *component = dai->component; struct ad193x_priv *ad193x = snd_soc_component_get_drvdata(component); + bool is_playback = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + u8 dacc0; + + dev_dbg(dai->dev, "%s() rate=%u format=%#x width=%u channels=%u\n", + __func__, params_rate(params), params_format(params), + params_width(params), params_channels(params)); + /* bit size */ switch (params_width(params)) { @@ -346,6 +353,25 @@ static int ad193x_hw_params(struct snd_pcm_substream *substream, break; } + if (is_playback) { + switch (params_rate(params)) { + case 48000: + dacc0 = AD193X_DAC_SR_48; + break; + case 96000: + dacc0 = AD193X_DAC_SR_96; + break; + case 192000: + dacc0 = AD193X_DAC_SR_192; + break; + default: + dev_err(dai->dev, "invalid sampling rate: %d\n", params_rate(params)); + return -EINVAL; + } + + regmap_update_bits(ad193x->regmap, AD193X_DAC_CTRL0, AD193X_DAC_SR_MASK, dacc0); + } + regmap_update_bits(ad193x->regmap, AD193X_PLL_CLK_CTRL0, AD193X_PLL_INPUT_MASK, master_rate); @@ -385,7 +411,7 @@ static struct snd_soc_dai_driver ad193x_dai = { .stream_name = "Playback", .channels_min = 2, .channels_max = 8, - .rates = SNDRV_PCM_RATE_48000, + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000, .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, }, @@ -407,7 +433,7 @@ static struct snd_soc_dai_driver ad193x_no_adc_dai = { .stream_name = "Playback", .channels_min = 2, .channels_max = 8, - .rates = SNDRV_PCM_RATE_48000, + .rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000, .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE, }, |