diff options
Diffstat (limited to 'sound/soc/fsl/fsl-asoc-card.c')
| -rw-r--r-- | sound/soc/fsl/fsl-asoc-card.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c index 007c772f3ce..3f6959c8e2f 100644 --- a/sound/soc/fsl/fsl-asoc-card.c +++ b/sound/soc/fsl/fsl-asoc-card.c @@ -51,6 +51,7 @@ struct codec_priv { * @sysclk_freq[2]: SYSCLK rates for set_sysclk() * @sysclk_dir[2]: SYSCLK directions for set_sysclk() * @sysclk_id[2]: SYSCLK ids for set_sysclk() + * @slot_width: Slot width of each frame * * Note: [1] for tx and [0] for rx */ @@ -58,6 +59,7 @@ struct cpu_priv { unsigned long sysclk_freq[2]; u32 sysclk_dir[2]; u32 sysclk_id[2]; + u32 slot_width; }; /** @@ -125,7 +127,12 @@ static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream, priv->sample_rate = params_rate(params); priv->sample_format = params_format(params); - if (priv->card.set_bias_level) + /* + * If codec-dai is DAI Master and all configurations are already in the + * set_bias_level(), bypass the remaining settings in hw_params(). + * Note: (dai_fmt & CBM_CFM) includes CBM_CFM and CBM_CFS. + */ + if (priv->card.set_bias_level && priv->dai_fmt & SND_SOC_DAIFMT_CBM_CFM) return 0; /* Specific configurations of DAIs starts from here */ @@ -137,6 +144,15 @@ static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream, return ret; } + if (cpu_priv->slot_width) { + ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, + cpu_priv->slot_width); + if (ret) { + dev_err(dev, "failed to set TDM slot for cpu dai\n"); + return ret; + } + } + return 0; } @@ -448,6 +464,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) priv->cpu_priv.sysclk_freq[RX] = priv->codec_priv.mclk_freq; priv->cpu_priv.sysclk_dir[TX] = SND_SOC_CLOCK_OUT; priv->cpu_priv.sysclk_dir[RX] = SND_SOC_CLOCK_OUT; + priv->cpu_priv.slot_width = 32; priv->dai_fmt |= SND_SOC_DAIFMT_CBS_CFS; } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) { priv->codec_priv.mclk_id = SGTL5000_SYSCLK; |