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 --- include/sound/soc.h | 4 ++++ sound/soc/soc-core.c | 18 ++++++++++++++++++ 2 files changed, 22 insertions(+), 0 deletions(-)
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 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 abbeadf..3819659 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);