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authorEdward Cragg <edward.cragg@codethink.co.uk>2019-10-18 16:48:28 +0100
committerMark Brown <broonie@kernel.org>2019-10-25 11:06:27 +0100
commitf3ee99087c8ca0ecfdd549ef5a94f557c42d5428 (patch)
treeffbacc37ca5d4295f0d5e5b06f7c23a47124dea5 /sound/soc/tegra
parent6442793abf75a8081aa1f5da439529c08af2a5be (diff)
ASoC: tegra: Allow 24bit and 32bit samples
The tegra3 audio can support 24 and 32 bit sample sizes so add the option to the tegra30_i2s_hw_params to configure the S24_LE or S32_LE formats when requested. Signed-off-by: Edward Cragg <edward.cragg@codethink.co.uk> [ben.dooks@codethink.co.uk: fixup merge of 24 and 32bit] [ben.dooks@codethink.co.uk: add pm calls around ytdm config] [ben.dooks@codethink.co.uk: drop debug printing to dev_dbg] Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Link: https://lore.kernel.org/r/20191018154833.7560-3-ben.dooks@codethink.co.uk Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/tegra')
-rw-r--r--sound/soc/tegra/tegra30_i2s.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c
index e6d548fa980b..48a09c9d60be 100644
--- a/sound/soc/tegra/tegra30_i2s.c
+++ b/sound/soc/tegra/tegra30_i2s.c
@@ -127,7 +127,7 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream,
struct device *dev = dai->dev;
struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(dai);
unsigned int mask, val, reg;
- int ret, sample_size, srate, i2sclock, bitcnt;
+ int ret, sample_size, srate, i2sclock, bitcnt, audio_bits;
struct tegra30_ahub_cif_conf cif_conf;
if (params_channels(params) != 2)
@@ -137,8 +137,19 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream,
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
val = TEGRA30_I2S_CTRL_BIT_SIZE_16;
+ audio_bits = TEGRA30_AUDIOCIF_BITS_16;
sample_size = 16;
break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ val = TEGRA30_I2S_CTRL_BIT_SIZE_24;
+ audio_bits = TEGRA30_AUDIOCIF_BITS_24;
+ sample_size = 24;
+ break;
+ case SNDRV_PCM_FORMAT_S32_LE:
+ val = TEGRA30_I2S_CTRL_BIT_SIZE_32;
+ audio_bits = TEGRA30_AUDIOCIF_BITS_32;
+ sample_size = 32;
+ break;
default:
return -EINVAL;
}
@@ -170,8 +181,8 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream,
cif_conf.threshold = 0;
cif_conf.audio_channels = 2;
cif_conf.client_channels = 2;
- cif_conf.audio_bits = TEGRA30_AUDIOCIF_BITS_16;
- cif_conf.client_bits = TEGRA30_AUDIOCIF_BITS_16;
+ cif_conf.audio_bits = audio_bits;
+ cif_conf.client_bits = audio_bits;
cif_conf.expand = 0;
cif_conf.stereo_conv = 0;
cif_conf.replicate = 0;
@@ -277,14 +288,18 @@ static const struct snd_soc_dai_driver tegra30_i2s_dai_template = {
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_96000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "Capture",
.channels_min = 2,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_96000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &tegra30_i2s_dai_ops,
.symmetric_rates = 1,