diff options
| author | Nicolin Chen <nicoleotsuka@gmail.com> | 2014-10-24 16:48:13 -0700 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-11-25 12:47:32 +0000 |
| commit | cb3fc1ff46667ee4ab23ef22c9e391aa7d014cdf (patch) | |
| tree | db63c8594062ba0ad96af6d95e6ec789614503ac /sound/soc/fsl | |
| parent | 41282920aa35033a4fcf2bc68aeba42a037e6c4d (diff) | |
| download | linux-cb3fc1ff46667ee4ab23ef22c9e391aa7d014cdf.tar.bz2 | |
ASoC: fsl-asoc-card: Add slot_width setting for cpu-dai
ESAI may need to use fixed slot width to comply with external
CODEC. So this set_tdm_slot() call will allow the ESAI driver
to override its default dynamic slot width policy.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/fsl')
| -rw-r--r-- | sound/soc/fsl/fsl-asoc-card.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c index 14572e62dd51..3f6959c8e2f7 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; }; /** @@ -142,6 +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; } @@ -453,6 +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; |