[PATCH v3 5/7] ASoC: rsnd: add .auto_selectable_formats support

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

By this patch, DAI format might be automatically selected
(Depends on paired DAI).

Link: https://lore.kernel.org/r/871rb3hypy.wl-kuninori.morimoto.gx@renesas.com
Link: https://lore.kernel.org/r/871racbx0w.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
v2 -> v3
	- don't try to have SND_SOC_DAIFMT_CBx_CFx

 sound/soc/sh/rcar/core.c | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 8696a993c478..83c815008472 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -760,10 +760,10 @@ static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 
 	/* set clock master for audio interface */
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBM_CFM:
+	case SND_SOC_DAIFMT_CBP_CFP:
 		rdai->clk_master = 0;
 		break;
-	case SND_SOC_DAIFMT_CBS_CFS:
+	case SND_SOC_DAIFMT_CBC_CFC:
 		rdai->clk_master = 1; /* cpu is master */
 		break;
 	default:
@@ -1043,6 +1043,31 @@ static int rsnd_soc_dai_prepare(struct snd_pcm_substream *substream,
 	return rsnd_dai_call(prepare, io, priv);
 }
 
+static u64 rsnd_soc_dai_formats[] = {
+	/*
+	 * 1st Priority
+	 *
+	 * Well tested formats.
+	 * Select below from Sound Card, not auto
+	 *	SND_SOC_DAIFMT_CBC_CFC
+	 *	SND_SOC_DAIFMT_CBP_CFP
+	 */
+	SND_SOC_POSSIBLE_DAIFMT_I2S	|
+	SND_SOC_POSSIBLE_DAIFMT_RIGHT_J	|
+	SND_SOC_POSSIBLE_DAIFMT_LEFT_J	|
+	SND_SOC_POSSIBLE_DAIFMT_NB_NF	|
+	SND_SOC_POSSIBLE_DAIFMT_NB_IF	|
+	SND_SOC_POSSIBLE_DAIFMT_IB_NF	|
+	SND_SOC_POSSIBLE_DAIFMT_IB_IF,
+	/*
+	 * 2nd Priority
+	 *
+	 * Supported, but not well tested
+	 */
+	SND_SOC_POSSIBLE_DAIFMT_DSP_A	|
+	SND_SOC_POSSIBLE_DAIFMT_DSP_B,
+};
+
 static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
 	.startup	= rsnd_soc_dai_startup,
 	.shutdown	= rsnd_soc_dai_shutdown,
@@ -1050,6 +1075,8 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
 	.set_fmt	= rsnd_soc_dai_set_fmt,
 	.set_tdm_slot	= rsnd_soc_set_dai_tdm_slot,
 	.prepare	= rsnd_soc_dai_prepare,
+	.auto_selectable_formats	= rsnd_soc_dai_formats,
+	.num_auto_selectable_formats	= ARRAY_SIZE(rsnd_soc_dai_formats),
 };
 
 static void rsnd_parse_tdm_split_mode(struct rsnd_priv *priv,
-- 
2.25.1