From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> hdmi-codec supports .get_fmt by this patch Link: https://lore.kernel.org/r/871rb3hypy.wl-kuninori.morimoto.gx@xxxxxxxxxxx Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> --- v1 -> v2 - don't select clock/frame master possibility sound/soc/codecs/hdmi-codec.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index 1567ba196ab9..b3dcf28ad6ee 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -493,6 +493,27 @@ static int hdmi_codec_hw_params(struct snd_pcm_substream *substream, cf, &hp); } +static u64 hdmi_codec_i2s_get_fmt(struct snd_soc_dai *dai) +{ + /* + * This driver can select all SND_SOC_DAIFMT_CBx_CFx, + * but need to be selected from Sound Card, not be auto selected. + * Because it might be used from other driver. + * For example, + * ${LINUX}/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c + */ + return SND_SOC_POSSIBLE_DAIFMT_NB_NF | + SND_SOC_POSSIBLE_DAIFMT_NB_IF | + SND_SOC_POSSIBLE_DAIFMT_IB_NF | + SND_SOC_POSSIBLE_DAIFMT_IB_IF | + SND_SOC_POSSIBLE_DAIFMT_I2S | + SND_SOC_POSSIBLE_DAIFMT_DSP_A | + SND_SOC_POSSIBLE_DAIFMT_DSP_B | + SND_SOC_POSSIBLE_DAIFMT_RIGHT_J | + SND_SOC_POSSIBLE_DAIFMT_LEFT_J | + SND_SOC_POSSIBLE_DAIFMT_AC97; +} + static int hdmi_codec_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { @@ -584,6 +605,7 @@ static const struct snd_soc_dai_ops hdmi_codec_i2s_dai_ops = { .startup = hdmi_codec_startup, .shutdown = hdmi_codec_shutdown, .hw_params = hdmi_codec_hw_params, + .get_fmt = hdmi_codec_i2s_get_fmt, .set_fmt = hdmi_codec_i2s_set_fmt, .mute_stream = hdmi_codec_mute, }; -- 2.25.1
