[alsa-devel] [PATCH] ASoC: Improve the debugfs hierarchy

Peter Ujfalusi peter.ujfalusi at nokia.com
Fri Oct 2 08:17:37 CEST 2009

Change the way the debugfs entries are created:
If the codec->dev is valid, than use:

if the codec->dev is NULL:

as root for the debugfs entries.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at nokia.com>

The patch applies on top of sound-2.6 topic/asoc
commit 88439ac793934a47f47ad285656b63d09f5937c8
	ASoC: add support for multiple cards/codecs in debugfs

 sound/soc/soc-core.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e4ab36d..1dec9d2 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1256,8 +1256,12 @@ static void soc_init_codec_debugfs(struct snd_soc_codec *codec)
 	char codec_root[128];

-	snprintf(codec_root, sizeof(codec_root),
-		 "%s-%s", dev_name(codec->socdev->dev), codec->name);
+	if (codec->dev)
+		snprintf(codec_root, sizeof(codec_root),
+			"%s.%s", codec->name, dev_name(codec->dev));
+	else
+		snprintf(codec_root, sizeof(codec_root),
+			"%s", codec->name);

 	codec->debugfs_codec_root = debugfs_create_dir(codec_root,

More information about the Alsa-devel mailing list