From 480426852e4f58b0490bc16472808a4ef86af6e7 Mon Sep 17 00:00:00 2001
From: Sugar Zhang <sugar.zhang@rock-chips.com>
Date: Wed, 13 Sep 2023 19:13:51 +0800
Subject: [PATCH] ASoC: rockchip: multi_dais_pcm: Fix warning

debugfs: Directory 'multi-dais' with parent already present!

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: I1aeee5332c79f78c5436c4bb7c57d3d692ef9b75
---
 sound/soc/rockchip/rockchip_multi_dais_pcm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/rockchip/rockchip_multi_dais_pcm.c b/sound/soc/rockchip/rockchip_multi_dais_pcm.c
index d69395f70139..c37019139ef7 100644
--- a/sound/soc/rockchip/rockchip_multi_dais_pcm.c
+++ b/sound/soc/rockchip/rockchip_multi_dais_pcm.c
@@ -685,6 +685,9 @@ int snd_dmaengine_mpcm_register(struct rk_mdais_dev *mdais)
 	if (!pcm)
 		return -ENOMEM;
 
+#ifdef CONFIG_DEBUG_FS
+	pcm->component.debugfs_prefix = "dma";
+#endif
 	pcm->mdais = mdais;
 	for (i = 0; i < num; i++) {
 		child = mdais->dais[i].dev;