[alsa-devel] [PATCH] ASoC: rsrc-card: enable to use tdm_slot on DT

[Kuninori Morimoto]

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

Renesas sound driver will use tdm slot on TDM Multi Mode support.
This patch enables tdm slot on rsrc card driver on DT.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 sound/soc/sh/rcar/rsrc-card.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/sound/soc/sh/rcar/rsrc-card.c b/sound/soc/sh/rcar/rsrc-card.c
index a3ec13f..3c308e2 100644
--- a/sound/soc/sh/rcar/rsrc-card.c
+++ b/sound/soc/sh/rcar/rsrc-card.c
@@ -50,6 +50,10 @@ MODULE_DEVICE_TABLE(of, rsrc_card_of_match);
 struct rsrc_card_dai {
 	unsigned int fmt;
 	unsigned int sysclk;
+	unsigned int tx_slot_mask;
+	unsigned int rx_slot_mask;
+	int slots;
+	int slot_width;
 	struct clk *clk;
 	char dai_name[DAI_NAME_NUM];
 };
@@ -126,6 +130,18 @@ static int rsrc_card_dai_init(struct snd_soc_pcm_runtime *rtd)
 		}
 	}
 
+	if (dai_props->slots) {
+		ret = snd_soc_dai_set_tdm_slot(dai,
+					       dai_props->tx_slot_mask,
+					       dai_props->rx_slot_mask,
+					       dai_props->slots,
+					       dai_props->slot_width);
+		if (ret && ret != -ENOTSUPP) {
+			dev_err(dai->dev, "set_tdm_slot error\n");
+			goto err;
+		}
+	}
+
 	ret = 0;
 
 err:
@@ -198,6 +214,15 @@ static int rsrc_card_parse_links(struct device_node *np,
 	if (ret)
 		return ret;
 
+	/* Parse TDM slot */
+	ret = snd_soc_of_parse_tdm_slot(np,
+					&dai_props->tx_slot_mask,
+					&dai_props->rx_slot_mask,
+					&dai_props->slots,
+					&dai_props->slot_width);
+	if (ret)
+		return ret;
+
 	if (is_fe) {
 		/* BE is dummy */
 		dai_link->codec_of_node		= NULL;
-- 
1.9.1