From: Sebastien Guiriec s-guiriec@ti.com

Allow platform widgets to be visible in debugfs like codec widgets.

Signed-off-by: Liam Girdwood lrg@ti.com --- include/sound/soc.h | 5 +++++ sound/soc/soc-core.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+), 0 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h index 4f67e01..8fa4dca 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -706,6 +706,11 @@ struct snd_soc_platform { struct list_head card_list;

struct snd_soc_dapm_context dapm; + +#ifdef CONFIG_DEBUG_FS + struct dentry *debugfs_platform_root; + struct dentry *debugfs_dapm; +#endif };

struct snd_soc_dai_link { diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 8bd9995..276b68a 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -302,6 +302,27 @@ static void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) debugfs_remove_recursive(codec->debugfs_codec_root); }

+static void soc_init_platform_debugfs(struct snd_soc_platform *platform) +{ + struct dentry *debugfs_card_root = platform->card->debugfs_card_root; + + platform->debugfs_platform_root = debugfs_create_dir(platform->name, + debugfs_card_root); + if (!platform->debugfs_platform_root) { + dev_warn(platform->dev, + "Failed to create platform debugfs directory\n"); + return; + } + + snd_soc_dapm_debugfs_init(&platform->dapm, + platform->debugfs_platform_root); +} + +static void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) +{ + debugfs_remove_recursive(platform->debugfs_platform_root); +} + static ssize_t codec_list_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -435,6 +456,14 @@ static inline void soc_cleanup_codec_debugfs(struct snd_soc_codec *codec) { }

+static inline void soc_init_platform_debugfs(struct snd_soc_platform *platform) +{ +} + +static inline void soc_cleanup_platform_debugfs(struct snd_soc_platform *platform) +{ +} + static inline void soc_init_card_debugfs(struct snd_soc_card *card) { } @@ -922,6 +951,7 @@ static void soc_remove_dai_link(struct snd_soc_card *card, int num, int order) /* Make sure all DAPM widgets are freed */ snd_soc_dapm_free(&platform->dapm);

+ soc_cleanup_platform_debugfs(platform); platform->probed = 0; list_del(&platform->card_list); module_put(platform->dev->driver->owner); @@ -1039,6 +1069,8 @@ static int soc_probe_platform(struct snd_soc_card *card, if (!try_module_get(platform->dev->driver->owner)) return -ENODEV;

+ soc_init_platform_debugfs(platform); + if (driver->dapm_widgets) snd_soc_dapm_new_controls(&platform->dapm, driver->dapm_widgets, driver->num_dapm_widgets);