ASoC: Add sound card directory under debugfs/asoc/
There will be need to have sound card specific debugfs entries. This patch
introduces a new debugfs/asoc/{card->name}/ directory but does not add yet
any entries there.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index b048e08..95ce0dd 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -589,6 +589,10 @@
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 3c7c884..b0f635c 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -374,6 +374,20 @@
.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 @@
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 @@
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);