ASoC: simple_card: Show if link is unidirectional

It is handy to know whether the link has playback-only/capture-only flags
when debugging.

Signed-off-by: Stephen Gordon <gordoste@iinet.net.au>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/20250106050659.57924-3-gordoste@iinet.net.au
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: gordoste

include/sound/simple_card_utils.h

@@ -267,6 +267,10 @@ static inline void simple_util_debug_info(struct simple_util_priv *priv)
 			dev_dbg(dev, "link name = %s\n", link->name);
 		if (link->dai_fmt)
 			dev_dbg(dev, "link format = %04x\n", link->dai_fmt);
+		if (link->playback_only)
+			dev_dbg(dev, "link has playback_only");
+		if (link->capture_only)
+			dev_dbg(dev, "link has capture_only");
 		if (props->adata.convert_rate)
 			dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
 		if (props->adata.convert_channels)