diff options
Diffstat (limited to 'sound/soc/soc-cache.c')
| -rw-r--r-- | sound/soc/soc-cache.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index 258c3b2098b5..1210a6f70a90 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -1449,3 +1449,17 @@ int snd_soc_default_readable_register(struct snd_soc_codec *codec, return codec->driver->reg_access_default[index].read; } EXPORT_SYMBOL_GPL(snd_soc_default_readable_register); + +int snd_soc_default_writable_register(struct snd_soc_codec *codec, + unsigned int reg) +{ + int index; + + if (reg >= codec->driver->reg_cache_size) + return 1; + index = snd_soc_get_reg_access_index(codec, reg); + if (index < 0) + return 0; + return codec->driver->reg_access_default[index].write; +} +EXPORT_SYMBOL_GPL(snd_soc_default_writable_register); |