ASoC: pcm3168a: Enable TDM support for DSP_A/B modes (5011454e) · Commits · 戴 / test

The 24-bit TDM mode also applies to DSP_A and DSP_B modes. Most dais on the SoC side can not interpret I2S/Left_j with other than 2 channels of audio. Signed-off-by:

Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by:

Mark Brown <broonie@kernel.org>

sound/soc/codecs/pcm3168a.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -457,13 +457,16 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream,
		if (chan > 2) {
		switch (fmt) {
		case PCM3168A_FMT_I2S:
		case PCM3168A_FMT_DSP_A:
		fmt = PCM3168A_FMT_I2S_TDM;
		break;
		case PCM3168A_FMT_LEFT_J:
		case PCM3168A_FMT_DSP_B:
		fmt = PCM3168A_FMT_LEFT_J_TDM;
		break;
		default:
		dev_err(component->dev, "TDM is supported under I2S/Left_J only\n");
		dev_err(component->dev,
		"TDM is supported under DSP/I2S/Left_J only\n");
		return -EINVAL;
		}
		}
		@@ -526,6 +529,8 @@ static int pcm3168a_startup(struct snd_pcm_substream *substream,
		break;
		case PCM3168A_FMT_LEFT_J:
		case PCM3168A_FMT_I2S:
		case PCM3168A_FMT_DSP_A:
		case PCM3168A_FMT_DSP_B:
		sample_min = 24;
		channel_max = channel_maxs[tx];
		break;

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