[PATCH] ASoC: meson: aiu: fix duplicate debugfs directory error

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On a S905W-based system I get the following error:
debugfs: Directory 'c1105400.audio-controller' with parent 'P230-Q200' already present!

Turned out that multiple components having the same name triggers this
error in soc_init_component_debugfs(). With the patch the error is
gone and that's the debugfs entries.

/sys/kernel/debug/asoc/P230-Q200/aiu_acodec:c1105400.audio-controller
/sys/kernel/debug/asoc/P230-Q200/aiu_hdmi:c1105400.audio-controller
/sys/kernel/debug/asoc/P230-Q200/aiu_cpu:c1105400.audio-controller

Because debugfs is affected only, this may not be something for stable.

Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
---
 sound/soc/meson/aiu.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/sound/soc/meson/aiu.c b/sound/soc/meson/aiu.c
index d299a70db..c1a2aea5f 100644
--- a/sound/soc/meson/aiu.c
+++ b/sound/soc/meson/aiu.c
@@ -68,6 +68,20 @@ int aiu_of_xlate_dai_name(struct snd_soc_component *component,
 
 	*dai_name = dai->driver->name;
 
+	switch (component_id) {
+	case AIU_CPU:
+		component->debugfs_prefix = "aiu_cpu";
+		break;
+	case AIU_HDMI:
+		component->debugfs_prefix = "aiu_hdmi";
+		break;
+	case AIU_ACODEC:
+		component->debugfs_prefix = "aiu_acodec";
+		break;
+	default:
+		break;
+	}
+
 	return 0;
 }
 
-- 
2.35.1




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