ASoC: fsi: SPDIF format become independent from platform flags

Current FSI driver is using platform information pointer,
but it is not good design for DT support.
This patch makes spdif format
independent from platform information pointer.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/sh/fsi.c

@@ -1771,7 +1771,6 @@ static int fsi_set_fmt_spdif(struct fsi_priv *fsi)
 
 	fsi->fmt = CR_DTMD_SPDIF_PCM | CR_PCM;
 	fsi->chan_num = 2;
-	fsi->spdif = 1;
 
 	return 0;
 }
@@ -1816,16 +1815,10 @@ static int fsi_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 	}
 
 	/* set format */
-	switch (flags & SH_FSI_FMT_MASK) {
-	case SH_FSI_FMT_DAI:
-		ret = fsi_set_fmt_dai(fsi, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
-		break;
-	case SH_FSI_FMT_SPDIF:
+	if (fsi_is_spdif(fsi))
 		ret = fsi_set_fmt_spdif(fsi);
-		break;
-	default:
-		ret = -EINVAL;
-	}
+	else
+		ret = fsi_set_fmt_dai(fsi, fmt & SND_SOC_DAIFMT_FORMAT_MASK);
 
 	return ret;
 }
@@ -1991,6 +1984,13 @@ static struct snd_soc_platform_driver fsi_soc_platform = {
 /*
  *		platform function
  */
+static void fsi_port_info_init(struct fsi_priv *fsi,
+			       struct sh_fsi_port_info *info)
+{
+	if (info->flags & SH_FSI_FMT_SPDIF)
+		fsi->spdif = 1;
+}
+
 static void fsi_handler_init(struct fsi_priv *fsi,
 			     struct sh_fsi_port_info *info)
 {
@@ -2057,6 +2057,7 @@ static int fsi_probe(struct platform_device *pdev)
 	fsi->base	= master->base;
 	fsi->master	= master;
 	fsi->info	= pinfo;
+	fsi_port_info_init(fsi, pinfo);
 	fsi_handler_init(fsi, pinfo);
 	ret = fsi_stream_probe(fsi, &pdev->dev);
 	if (ret < 0) {
@@ -2070,6 +2071,7 @@ static int fsi_probe(struct platform_device *pdev)
 	fsi->base	= master->base + 0x40;
 	fsi->master	= master;
 	fsi->info	= pinfo;
+	fsi_port_info_init(fsi, pinfo);
 	fsi_handler_init(fsi, pinfo);
 	ret = fsi_stream_probe(fsi, &pdev->dev);
 	if (ret < 0) {