[alsa-devel] [PATCH 1/1] ASoC: sirf: usp: Add bitclock inversion support
Signed-off-by: Rongjun Ying rongjun.ying@csr.com --- sound/soc/sirf/sirf-usp.c | 24 +++++++++++++++++++++++- 1 file changed, 23 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sirf/sirf-usp.c b/sound/soc/sirf/sirf-usp.c index 3a73037..186dc7f 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
On Wed, Aug 13, 2014 at 04:31:40PM +0800, Rongjun Ying wrote:
Signed-off-by: Rongjun Ying rongjun.ying@csr.com
Applied, thanks.
participants (2)
-
Mark Brown
-
Rongjun Ying