diff options
Diffstat (limited to 'sound/soc/codecs/pcm3168a.c')
| -rw-r--r-- | sound/soc/codecs/pcm3168a.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c index 233a8df5d7a5..f0e2b886323e 100644 --- a/sound/soc/codecs/pcm3168a.c +++ b/sound/soc/codecs/pcm3168a.c @@ -484,6 +484,7 @@ static int pcm3168a_startup(struct snd_pcm_substream *substream, bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; unsigned int fmt; unsigned int sample_min; + unsigned int channel_max; if (tx) fmt = pcm3168a->dac_fmt; @@ -496,19 +497,38 @@ static int pcm3168a_startup(struct snd_pcm_substream *substream, * RIGHT_J : 24 / 16 * LEFT_J : 24 * I2S : 24 + * + * TDM available + * + * I2S + * LEFT_J */ switch (fmt) { case PCM3168A_FMT_RIGHT_J: sample_min = 16; + channel_max = 2; + break; + case PCM3168A_FMT_LEFT_J: + sample_min = 24; + channel_max = 8; + break; + case PCM3168A_FMT_I2S: + sample_min = 24; + channel_max = 8; break; default: sample_min = 24; + channel_max = 2; } snd_pcm_hw_constraint_minmax(substream->runtime, SNDRV_PCM_HW_PARAM_SAMPLE_BITS, sample_min, 32); + snd_pcm_hw_constraint_minmax(substream->runtime, + SNDRV_PCM_HW_PARAM_CHANNELS, + 2, channel_max); + return 0; } static const struct snd_soc_dai_ops pcm3168a_dac_dai_ops = { |