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Commit 0d985b1c authored by Rongjun Ying's avatar Rongjun Ying Committed by Mark Brown
Browse files

ASoC: sirf: usp: Add bitclock inversion support 



Signed-off-by: default avatarRongjun Ying <rongjun.ying@csr.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 7d1311b9

sound/soc/sirf/sirf-usp.c

+23 −1
Original line number Diff line number Diff line
@@ -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