linux-kernel - [PATCH AUTOSEL 6.0 27/44] ASoC: sunxi: sun4i-codec: set debugfs

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Date:   Sun,  9 Oct 2022 19:49:15 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Mikhail Rudenko <mike.rudenko@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>, lgirdwood@...il.com,
        perex@...ex.cz, tiwai@...e.com, wens@...e.org,
        jernej.skrabec@...il.com, samuel@...lland.org,
        ckeepax@...nsource.cirrus.com, lchen@...arella.com,
        kuninori.morimoto.gx@...esas.com, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: [PATCH AUTOSEL 6.0 27/44] ASoC: sunxi: sun4i-codec: set debugfs_prefix for CPU DAI component

From: Mikhail Rudenko <mike.rudenko@...il.com>

[ Upstream commit 717a8ff20f32792d6a94f2883e771482c37d844b ]

At present, succesfull probing of H3 Codec results in an error

    debugfs: Directory '1c22c00.codec' with parent 'H3 Audio Codec' already present!

This is caused by a directory name conflict between codec
components. Fix it by setting debugfs_prefix for the CPU DAI
component.

Signed-off-by: Mikhail Rudenko <mike.rudenko@...il.com>
Link: https://lore.kernel.org/r/20220913212256.151799-2-mike.rudenko@gmail.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/sunxi/sun4i-codec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 830beb38bf15..fdf3165acd70 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -1232,6 +1232,9 @@ static const struct snd_soc_component_driver sun8i_a23_codec_codec = {
 static const struct snd_soc_component_driver sun4i_codec_component = {
 	.name			= "sun4i-codec",
 	.legacy_dai_naming	= 1,
+#ifdef CONFIG_DEBUG_FS
+	.debugfs_prefix		= "cpu",
+#endif
 };
 
 #define SUN4I_CODEC_RATES	SNDRV_PCM_RATE_CONTINUOUS
-- 
2.35.1