ASoC: simple-card-utils: add asoc_simple_card_of_parse_tdm()

Current simple card drivers are using asoc_simple_dai's tx_slot_mask,
rx_slot_mask, slots, slot_width directly to parse TDM.
Encapsulation is one of simple card util's purpose.
Let's add asoc_simple_card_of_parse_tdm for it.

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

diff --git a/include/sound/simple_card_utils.h b/include/sound/simple_card_utils.h
index 840d624..2679312 100644 (file)
--- a/include/sound/simple_card_utils.h
+++ b/include/sound/simple_card_utils.h
@@ -75,6 +75,12 @@ int asoc_simple_card_parse_graph_dai(struct device_node *ep,
                                     struct device_node **endpoint_np,
                                     const char **dai_name);
 
+#define asoc_simple_card_of_parse_tdm(np, dai)                 \
+       snd_soc_of_parse_tdm_slot(np,   &(dai)->tx_slot_mask,   \
+                                       &(dai)->rx_slot_mask,   \
+                                       &(dai)->slots,          \
+                                       &(dai)->slot_width);
+
 int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
                              struct asoc_simple_dai *simple_dai);