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-rw-r--r--include/sound/soc.h4
-rw-r--r--sound/soc/soc-core.c18
2 files changed, 22 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index b048e08e2cc7..95ce0ddd36d4 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -589,6 +589,10 @@ struct snd_soc_card {
struct list_head codec_dev_list;
struct list_head platform_dev_list;
struct list_head dai_dev_list;
+
+#ifdef CONFIG_DEBUG_FS
+ struct dentry *debugfs_card_root;
+#endif
};
/* SoC machine DAI configuration, glues a codec and cpu DAI together */
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 3c7c884f212c..b0f635ccf176 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -374,6 +374,20 @@ static const struct file_operations platform_list_fops = {
.llseek = default_llseek,/* read accesses f_pos */
};
+static void soc_init_card_debugfs(struct snd_soc_card *card)
+{
+ card->debugfs_card_root = debugfs_create_dir(card->name,
+ debugfs_root);
+ if (!card->debugfs_card_root)
+ dev_warn(card->dev,
+ "ASoC: Failed to create codec debugfs directory\n");
+}
+
+static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
+{
+ debugfs_remove_recursive(card->debugfs_card_root);
+}
+
#else
static inline void soc_init_codec_debugfs(struct snd_soc_codec *codec)
@@ -1667,6 +1681,8 @@ static int soc_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&card->codec_dev_list);
INIT_LIST_HEAD(&card->platform_dev_list);
+ soc_init_card_debugfs(card);
+
ret = snd_soc_register_card(card);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to register card\n");
@@ -1694,6 +1710,8 @@ static int soc_remove(struct platform_device *pdev)
for (i = 0; i < card->num_rtd; i++)
soc_remove_dai_link(card, i);
+ soc_cleanup_card_debugfs(card);
+
/* remove the card */
if (card->remove)
card->remove(pdev);