diff options
| author |   Rongjun Ying <rongjun.ying@csr.com> | 2014-08-13 16:31:40 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@linaro.org> | 2014-08-16 17:06:42 -0500 |
| commit | 0d985b1c76623747107dbab1052044d6bac3866d (patch) | |
| tree | 40e5e1cee37007abbcb6570ad7966a7d9a16f735 /sound/soc/sirf | |
| parent | Linux 3.17-rc1 (diff) | |
| download | linux-dev-0d985b1c76623747107dbab1052044d6bac3866d.tar.xz linux-dev-0d985b1c76623747107dbab1052044d6bac3866d.zip | |
ASoC: sirf: usp: Add bitclock inversion support
Signed-off-by: Rongjun Ying <rongjun.ying@csr.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/sirf')
| -rw-r--r-- | sound/soc/sirf/sirf-usp.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/sound/soc/sirf/sirf-usp.c b/sound/soc/sirf/sirf-usp.c index 3a730374e259..186dc7f33a55 100644 --- a/sound/soc/sirf/sirf-usp.c +++ b/sound/soc/sirf/sirf-usp.c @@ -100,6 +100,16 @@ static int sirf_usp_pcm_set_dai_fmt(struct snd_soc_dai *dai, return -EINVAL; } + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + usp->daifmt_format |= (fmt & SND_SOC_DAIFMT_INV_MASK); + break; + default: + return -EINVAL; + } + return 0; } @@ -177,7 +187,7 @@ static int sirf_usp_pcm_hw_params(struct snd_pcm_substream *substream, shifter_len = data_len; - switch (usp->daifmt_format) { + switch (usp->daifmt_format & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: regmap_update_bits(usp->regmap, USP_RX_FRAME_CTRL, USP_I2S_SYNC_CHG, USP_I2S_SYNC_CHG); @@ -193,6 +203,18 @@ static int sirf_usp_pcm_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } + switch (usp->daifmt_format & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + regmap_update_bits(usp->regmap, USP_MODE1, + USP_RXD_ACT_EDGE_FALLING | USP_TXD_ACT_EDGE_FALLING, + USP_RXD_ACT_EDGE_FALLING); + break; + default: + return -EINVAL; + } + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) regmap_update_bits(usp->regmap, USP_TX_FRAME_CTRL, USP_TXC_DATA_LEN_MASK | USP_TXC_FRAME_LEN_MASK |