Commit 731f1ab2 authored by Sebastien Guiriec's avatar Sebastien Guiriec Committed by Mark Brown
Browse files

ASoC: core: add platform DAPM debugfs support 



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

Signed-off-by: default avatarLiam Girdwood <lrg@ti.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 48a8c394

include/sound/soc.h

+5 −0
Original line number Diff line number Diff line
@@ -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 {

sound/soc/soc-core.c

+32 −0
Original line number Diff line number Diff line
@@ -300,6 +300,27 @@ 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)

{
@@ -433,6 +454,14 @@ 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)

{

}
@@ -920,6 +949,7 @@ 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);
@@ -1037,6 +1067,8 @@ 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);