diff options
| author | Shengjiu Wang <shengjiu.wang@freescale.com> | 2016-04-08 14:52:03 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:50:04 +0800 |
| commit | 65c3a6b2291266a908cc6a46154396540a9390fd (patch) | |
| tree | 8dba8f5d9936cb72cacc94c3b07735142dbf7977 /sound/soc/fsl/imx-cs42888.c | |
| parent | 5cf8ad51eebaede2a9ac3dc0dc5cd07a83822f20 (diff) | |
MLK-12745-1: ASoC: imx-cs42888: add codec master mode support
Add codec master mode support, the default is slave mode.
Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Diffstat (limited to 'sound/soc/fsl/imx-cs42888.c')
| -rw-r--r-- | sound/soc/fsl/imx-cs42888.c | 61 |
1 files changed, 44 insertions, 17 deletions
diff --git a/sound/soc/fsl/imx-cs42888.c b/sound/soc/fsl/imx-cs42888.c index 51fa05b7df7b..f0f2bf461672 100644 --- a/sound/soc/fsl/imx-cs42888.c +++ b/sound/soc/fsl/imx-cs42888.c @@ -37,6 +37,7 @@ struct imx_priv { struct platform_device *asrc_pdev; u32 asrc_rate; u32 asrc_format; + bool is_codec_master; }; static struct imx_priv card_priv; @@ -52,24 +53,47 @@ static int imx_cs42888_surround_hw_params(struct snd_pcm_substream *substream, u32 dai_format = 0; int ret = 0; - dai_format = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBS_CFS; - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - ret = snd_soc_dai_set_sysclk(cpu_dai, ESAI_HCKT_EXTAL, - priv->mclk_freq, SND_SOC_CLOCK_OUT); - else - ret = snd_soc_dai_set_sysclk(cpu_dai, ESAI_HCKR_EXTAL, - priv->mclk_freq, SND_SOC_CLOCK_OUT); - if (ret) { - dev_err(dev, "failed to set cpu sysclk: %d\n", ret); - return ret; - } + if (priv->is_codec_master) { + dai_format = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + ret = snd_soc_dai_set_sysclk(cpu_dai, ESAI_HCKT_EXTAL, + priv->mclk_freq, SND_SOC_CLOCK_IN); + else + ret = snd_soc_dai_set_sysclk(cpu_dai, ESAI_HCKR_EXTAL, + priv->mclk_freq, SND_SOC_CLOCK_IN); + if (ret) { + dev_err(dev, "failed to set cpu sysclk: %d\n", ret); + return ret; + } - ret = snd_soc_dai_set_sysclk(codec_dai, 0, - priv->mclk_freq, SND_SOC_CLOCK_IN); - if (ret) { - dev_err(dev, "failed to set codec sysclk: %d\n", ret); - return ret; + ret = snd_soc_dai_set_sysclk(codec_dai, 0, + priv->mclk_freq, SND_SOC_CLOCK_OUT); + if (ret) { + dev_err(dev, "failed to set codec sysclk: %d\n", ret); + return ret; + } + + } else { + dai_format = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS; + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + ret = snd_soc_dai_set_sysclk(cpu_dai, ESAI_HCKT_EXTAL, + priv->mclk_freq, SND_SOC_CLOCK_OUT); + else + ret = snd_soc_dai_set_sysclk(cpu_dai, ESAI_HCKR_EXTAL, + priv->mclk_freq, SND_SOC_CLOCK_OUT); + if (ret) { + dev_err(dev, "failed to set cpu sysclk: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(codec_dai, 0, + priv->mclk_freq, SND_SOC_CLOCK_IN); + if (ret) { + dev_err(dev, "failed to set codec sysclk: %d\n", ret); + return ret; + } } /* set cpu DAI configuration */ @@ -308,6 +332,9 @@ static int imx_cs42888_probe(struct platform_device *pdev) } priv->mclk_freq = clk_get_rate(codec_clk); + if (of_property_read_bool(pdev->dev.of_node, "codec-master")) + priv->is_codec_master = true; + snd_soc_card_imx_cs42888.dev = &pdev->dev; platform_set_drvdata(pdev, &snd_soc_card_imx_cs42888); |