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Commit aaee8ef1 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Make cache status available via debugfs 



Could just as well live in sysfs but sysfs doesn't have the simple
value export helpers debugfs does.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
parent 6f8ab4ac

include/sound/soc.h

+2 −2
Original line number Diff line number Diff line
@@ -493,14 +493,14 @@ struct snd_soc_codec { 
	struct snd_ac97 *ac97;  /* for ad-hoc ac97 devices */

	unsigned int active;

	unsigned int cache_bypass:1; /* Suppress access to the cache */

	unsigned int cache_only:1;  /* Suppress writes to hardware */

	unsigned int cache_sync:1; /* Cache needs to be synced to hardware */

	unsigned int suspended:1; /* Codec is in suspend PM state */

	unsigned int probed:1; /* Codec has been probed */

	unsigned int ac97_registered:1; /* Codec has been AC97 registered */

	unsigned int ac97_created:1; /* Codec has been created by SoC */

	unsigned int sysfs_registered:1; /* codec has been sysfs registered */

	unsigned int cache_init:1; /* codec cache has been initialized */

	u32 cache_only;  /* Suppress writes to hardware */

	u32 cache_sync; /* Cache needs to be synced to hardware */



	/* codec IO */

	void *control_data; /* codec control (i2c/3wire) data */

sound/soc/soc-core.c

+5 −0
Original line number Diff line number Diff line
@@ -235,6 +235,11 @@ static void soc_init_codec_debugfs(struct snd_soc_codec *codec) 
		return;

	}



	debugfs_create_bool("cache_sync", 0444, codec->debugfs_codec_root,

			    &codec->cache_sync);

	debugfs_create_bool("cache_only", 0444, codec->debugfs_codec_root,

			    &codec->cache_only);



	codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,

						 codec->debugfs_codec_root,

						 codec, &codec_reg_fops);