linux-kernel - [PATCH 2/2] ASoC: fsl_asrc_dma: fix duplicate debugfs directory error

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Message-ID: <20251216094045.623184-3-alexander.stein@ew.tq-group.com>
Date: Tue, 16 Dec 2025 10:40:43 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Shengjiu Wang <shengjiu.wang@...il.com>,
	Xiubo Li <Xiubo.Lee@...il.com>,
	Fabio Estevam <festevam@...il.com>,
	Nicolin Chen <nicoleotsuka@...il.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	linux-sound@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] ASoC: fsl_asrc_dma: fix duplicate debugfs directory error

This driver registers a component for asrc. This is also used together
with easrc, both attached using the device name as component name.
Eventually debugfs directories with identical name are created in
soc_init_component_debugfs(), leading to error message:
  debugfs: '30c90000.easrc' already exists in 'tqm-tlv320aic32'
Fix this by adding the debugfs_prefix.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 sound/soc/fsl/fsl_asrc_dma.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
index 1bba48318e2dd..7dacc06b2f02e 100644
--- a/sound/soc/fsl/fsl_asrc_dma.c
+++ b/sound/soc/fsl/fsl_asrc_dma.c
@@ -473,5 +473,8 @@ struct snd_soc_component_driver fsl_asrc_component = {
 	.pointer	= fsl_asrc_dma_pcm_pointer,
 	.pcm_construct	= fsl_asrc_dma_pcm_new,
 	.legacy_dai_naming = 1,
+#ifdef CONFIG_DEBUG_FS
+	.debugfs_prefix	= "asrc",
+#endif
 };
 EXPORT_SYMBOL_GPL(fsl_asrc_component);
-- 
2.43.0