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 --- sound/soc/codecs/pcm3168a.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c index 08d3fe192e65..e0d5839fe1a7 100644 --- a/sound/soc/codecs/pcm3168a.c +++ b/sound/soc/codecs/pcm3168a.c @@ -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;