From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> By this patch, DAI format might be automatically selected (Depends on paired DAI). Link: https://lore.kernel.org/r/871rb3hypy.wl-kuninori.morimoto.gx@xxxxxxxxxxx Link: https://lore.kernel.org/r/871racbx0w.wl-kuninori.morimoto.gx@xxxxxxxxxxx Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> --- v2 -> v3 - don't try to have SND_SOC_DAIFMT_CBx_CFx sound/soc/codecs/pcm3168a.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c index 821e7395f90f..b6fd412441a1 100644 --- a/sound/soc/codecs/pcm3168a.c +++ b/sound/soc/codecs/pcm3168a.c @@ -573,6 +573,30 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream, return 0; } +static u64 pcm3168a_dai_formats[] = { + /* + * Select below from Sound Card, not here + * SND_SOC_DAIFMT_CBC_CFC + * SND_SOC_DAIFMT_CBP_CFP + */ + + /* + * First Priority + */ + SND_SOC_POSSIBLE_DAIFMT_I2S | + SND_SOC_POSSIBLE_DAIFMT_LEFT_J, + /* + * Second Priority + * + * These have picky limitation. + * see + * pcm3168a_hw_params() + */ + SND_SOC_POSSIBLE_DAIFMT_RIGHT_J | + SND_SOC_POSSIBLE_DAIFMT_DSP_A | + SND_SOC_POSSIBLE_DAIFMT_DSP_B, +}; + static const struct snd_soc_dai_ops pcm3168a_dai_ops = { .set_fmt = pcm3168a_set_dai_fmt, .set_sysclk = pcm3168a_set_dai_sysclk, @@ -580,6 +604,8 @@ static const struct snd_soc_dai_ops pcm3168a_dai_ops = { .mute_stream = pcm3168a_mute, .set_tdm_slot = pcm3168a_set_tdm_slot, .no_capture_mute = 1, + .auto_selectable_formats = pcm3168a_dai_formats, + .num_auto_selectable_formats = ARRAY_SIZE(pcm3168a_dai_formats), }; static struct snd_soc_dai_driver pcm3168a_dais[] = { -- 2.25.1
