There are no real users for cache_only in "struct snd_soc_codec" so remove
it and needless debugfs node.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
        unsigned int ac97_registered:1; /* Codec has been AC97 registered */
        unsigned int ac97_created:1; /* Codec has been created by SoC */
        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 */
 
 
        debugfs_create_bool("cache_sync", 0444, codec->component.debugfs_root,
                            &codec->cache_sync);
-       debugfs_create_bool("cache_only", 0444, codec->component.debugfs_root,
-                           &codec->cache_only);
 
        codec->debugfs_reg = debugfs_create_file("codec_reg", 0644,
                                                 codec->component.debugfs_root,