diff options
Diffstat (limited to 'sound/soc/imx/imx-ccwmx51-wm8753.c')
| -rw-r--r-- | sound/soc/imx/imx-ccwmx51-wm8753.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/sound/soc/imx/imx-ccwmx51-wm8753.c b/sound/soc/imx/imx-ccwmx51-wm8753.c index a12285fb1a8d..e92df8914b1c 100644 --- a/sound/soc/imx/imx-ccwmx51-wm8753.c +++ b/sound/soc/imx/imx-ccwmx51-wm8753.c @@ -54,14 +54,47 @@ static int imx_ccwmx51_audio_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai_link *machine = rtd->dai; struct snd_soc_dai *cpu_dai = machine->cpu_dai; struct snd_soc_dai *codec_dai = machine->codec_dai; + unsigned int rate = params_rate(params); struct imx_ccwmx51_priv *priv = &card_priv; struct imx_ssi *ssi_mode = (struct imx_ssi *)cpu_dai->private_data; int ret = 0; + unsigned int pll_out = 0; unsigned int channels = params_channels(params); u32 dai_format; - snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, priv->sysclk, 0); + switch (rate) { + case 8000: + pll_out = 12288000; + break; + case 11025: + pll_out = 11289600; + break; + case 16000: + pll_out = 12288000; + break; + case 22050: + pll_out = 11289600; + break; + case 32000: + pll_out = 12288000; + break; + case 44100: + pll_out = 11289600; + break; + case 48000: + pll_out = 12288000; + break; + case 88200: + pll_out = 11289600; + break; + case 96000: + pll_out = 12288000; + break; + default: + pr_info("Rate not supported.\n"); + return -EINVAL;; + } #if WM8753_SSI_MASTER dai_format = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | @@ -94,6 +127,9 @@ static int imx_ccwmx51_audio_hw_params(struct snd_pcm_substream *substream, /* set the SSI system clock as input (unused) */ snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0, SND_SOC_CLOCK_IN); + priv->sysclk = pll_out; + snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, priv->sysclk, 0); + snd_soc_dai_set_pll(codec_dai, WM8753_MCLK, 13000000, pll_out); return 0; } |