diff options
| author | Zidan Wang <zidan.wang@freescale.com> | 2015-04-03 18:12:55 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2015-05-08 17:24:08 +0800 |
| commit | 74e3297decd1ded815112c44ef40cdf262d8cb9b (patch) | |
| tree | 78b182c7a7da443c7bb4859d326db8838f772509 /sound | |
| parent | d97b25db871a43d0926ca04fa91243f7cc49068e (diff) | |
MLK-10581 ASoC: imx-wm8958: add constraint for 24bit playback and capture
wm8958 codec support list below:
playback 16 bit: 8k, 11.025k, 16k, 22.050k, 32k, 44k, 48k, 88.2k, 96k.
playback 24 bit: 8k, 11.025k, 16k, 22.050k, 32k, 44k, 48k.
capture 16 bit: 8k, 11.025k, 16k, 22.050k, 32k, 44k, 48k.
capture 24 bit: 8k, 11.025k, 16k, 22.050k, 32k.
Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/fsl/imx-wm8958.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sound/soc/fsl/imx-wm8958.c b/sound/soc/fsl/imx-wm8958.c index 49ce823cc9bc..fd029e05babd 100644 --- a/sound/soc/fsl/imx-wm8958.c +++ b/sound/soc/fsl/imx-wm8958.c @@ -130,9 +130,22 @@ static int imx_hifi_hw_params(struct snd_pcm_substream *substream, struct device *dev = card->dev; struct imx_wm8958_data *data = snd_soc_card_get_drvdata(card); bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + unsigned int sample_rate = params_rate(params); unsigned int pll_out; int ret; + if (tx && params_width(params) == 24) { + if (sample_rate == 88200 || sample_rate == 96000) { + dev_err(dev, "Can't support sample rate %dHZ\n", sample_rate); + return -EINVAL; + } + } else if (!tx && params_width(params) == 24) { + if (sample_rate == 44100 || sample_rate == 48000) { + dev_err(dev, "Can't support sample rate %dHZ\n", sample_rate); + return -EINVAL; + } + } + ret = snd_soc_dai_set_fmt(codec_dai, data->dai.dai_fmt); if (ret) { dev_err(dev, "failed to set codec dai fmt: %d\n", ret); @@ -161,7 +174,7 @@ static int imx_hifi_hw_params(struct snd_pcm_substream *substream, return ret; } } else { - data->sr_stream[tx] = params_rate(params); + data->sr_stream[tx] = sample_rate; if (params_width(params) == 24) pll_out = data->sr_stream[tx] * 384; |