diff options
| author | Shengjiu Wang <shengjiu.wang@nxp.com> | 2018-10-23 15:58:24 +0800 |
|---|---|---|
| committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:50:45 +0800 |
| commit | fa2768aca5141e2bdd0552d46adc0bde0ac4af63 (patch) | |
| tree | 8520bc43ef18293b3acae1220b51c5b3172e8d9b /sound/soc/fsl/imx-ak4458.c | |
| parent | a0cdb67b919054404a54355c1f652ec2a0f90f91 (diff) | |
MLK-20034-1: ASoC: imx-ak4458: constrain the mclk rate for DSD
When enable DSD for ak4458 with imx8mm platform, in DSD256 mode
the mclk calculated from ak4458_get_mclk_rate is 256fs, but
the codec require the mclk should be 512fs. so just hard code
the clock to be 512fs in DSD mode.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Diffstat (limited to 'sound/soc/fsl/imx-ak4458.c')
| -rw-r--r-- | sound/soc/fsl/imx-ak4458.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/fsl/imx-ak4458.c b/sound/soc/fsl/imx-ak4458.c index f99c9d71229c..6628f8c12e51 100644 --- a/sound/soc/fsl/imx-ak4458.c +++ b/sound/soc/fsl/imx-ak4458.c @@ -201,6 +201,8 @@ static int imx_aif_hw_params(struct snd_pcm_substream *substream, /* set MCLK freq */ mclk_freq = ak4458_get_mclk_rate(substream, params); + if (is_dsd) + mclk_freq = 22579200; ret = snd_soc_dai_set_sysclk(cpu_dai, FSL_SAI_CLK_MAST1, mclk_freq, SND_SOC_CLOCK_OUT); if (ret < 0) |