> -static int rt1015_hw_params_pll_and_tdm(struct snd_pcm_substream *substream,
> - struct snd_pcm_hw_params *params)
> -{
> - struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
> - struct snd_soc_dai *codec_dai;
> - int i, fs = 100, ret;
> -
> for_each_rtd_codec_dais(rtd, i, codec_dai) {
> ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
> - params_rate(params) * fs,
> + clk_freq,
> params_rate(params) * 256);
> - if (ret)
> + if (ret) {
> + dev_err(codec_dai->dev, "fail to set pll, ret %d\n",
> + ret);
> return ret;
> + }
>
> ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
> params_rate(params) * 256,
> SND_SOC_CLOCK_IN);
> - if (ret)
> + if (ret) {
> + dev_err(codec_dai->dev, "fail to set sysclk, ret %d\n",
> + ret);
> return ret;
> - }
> - /* rx slot 1 for RT1015_DEV0_NAME */
> - ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 0),
> - 0x0, 0x1, 4, 24);
> - if (ret)
> - return ret;
> + }
>
> - /* rx slot 2 for RT1015_DEV1_NAME */
> - ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 1),
> - 0x0, 0x2, 4, 24);
> - if (ret)
> - return ret;
> + switch (dai_link->dai_fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
> + case SND_SOC_DAIFMT_DSP_A:
> + case SND_SOC_DAIFMT_DSP_B:
> + /* 4-slot TDM */
> + ret = snd_soc_dai_set_tdm_slot(codec_dai,
> + rt1015_tdm_mask[i].tx,
> + rt1015_tdm_mask[i].rx,
> + 4,
> + params_width(params));
The changes look ok, just wondering if we can avoid hard-coding those 4
values. Can we not get the number of TDM slots from topology and/or
dailink configuration?
> + if (ret < 0) {
> + dev_err(codec_dai->dev, "fail to set tdm slot, ret %d\n",
> + ret);
> + return ret;
> + }
> + break;
> + default:
> + dev_dbg(codec_dai->dev, "codec is in I2S mode\n");
> + break;
> + }
> + }
>
> - return 0;
> + return ret;
