diff options
Diffstat (limited to 'sound/soc/soc-core.c')
| -rw-r--r-- | sound/soc/soc-core.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 074a0c6e99f..5ae70a107f1 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2147,6 +2147,42 @@ int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register); /** + * snd_soc_codec_readable_register: Report if a register is readable. + * + * @codec: CODEC to query. + * @reg: Register to query. + * + * Boolean function indicating if a CODEC register is readable. + */ +int snd_soc_codec_readable_register(struct snd_soc_codec *codec, + unsigned int reg) +{ + if (codec->readable_register) + return codec->readable_register(codec, reg); + else + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); + +/** + * snd_soc_codec_writable_register: Report if a register is writable. + * + * @codec: CODEC to query. + * @reg: Register to query. + * + * Boolean function indicating if a CODEC register is writable. + */ +int snd_soc_codec_writable_register(struct snd_soc_codec *codec, + unsigned int reg) +{ + if (codec->writable_register) + return codec->writable_register(codec, reg); + else + return 0; +} +EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); + +/** * snd_soc_new_ac97_codec - initailise AC97 device * @codec: audio codec * @ops: AC97 bus operations |