diff options
| author | Sebastien Guiriec <sebastien.guiriec@intel.com> | 2015-12-17 20:35:39 -0600 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-12-19 11:49:56 +0000 |
| commit | 3f27dedda463347e98d406fc97ff6767ac59ea05 (patch) | |
| tree | 9ba21e8a04e009fd1a2b399e4907579face9ab12 | |
| parent | d2c7db854ed07548ca7d01118eee67fd6a78a2be (diff) | |
| download | sound-unstable-3f27dedda463347e98d406fc97ff6767ac59ea05.tar.gz | |
ASoC: Intel: bytcr_rt5640: set SSP to I2S mode 2ch
Using the hw_fixup function in order to overwrite the default SSP
setting for Audio DSP port connected to the codec. Instead of
TDM 4ch use I2S 2ch 24 bits.
Signed-off-by: Sebastien Guiriec <sebastien.guiriec@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/intel/boards/bytcr_rt5640.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c index 7a5c9a36c1db67..66d37b0e64d15b 100644 --- a/sound/soc/intel/boards/bytcr_rt5640.c +++ b/sound/soc/intel/boards/bytcr_rt5640.c @@ -107,6 +107,7 @@ static int byt_codec_fixup(struct snd_soc_pcm_runtime *rtd, SNDRV_PCM_HW_PARAM_RATE); struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); + int ret; /* The DSP will covert the FE rate to 48k, stereo, 24bits */ rate->min = rate->max = 48000; @@ -114,6 +115,28 @@ static int byt_codec_fixup(struct snd_soc_pcm_runtime *rtd, /* set SSP2 to 24-bit */ params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); + + /* + * Default mode for SSP configuration is TDM 4 slot, override config + * with explicit setting to I2S 2ch 24-bit. The word length is set with + * dai_set_tdm_slot() since there is no other API exposed + */ + ret = snd_soc_dai_set_fmt(rtd->cpu_dai, + SND_SOC_DAIFMT_I2S | + SND_SOC_DAIFMT_NB_IF | + SND_SOC_DAIFMT_CBS_CFS + ); + if (ret < 0) { + dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24); + if (ret < 0) { + dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); + return ret; + } + return 0; } |