We generally refer to registers as unsigned ints (including in the underlying CODEC driver operation).

Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- include/sound/soc.h | 3 ++- sound/soc/soc-core.c | 22 +++++++++++++++++++++- 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h index c184f84..1355ef0 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -267,7 +267,8 @@ int snd_soc_register_codec(struct device *dev, const struct snd_soc_codec_driver *codec_drv, struct snd_soc_dai_driver *dai_drv, int num_dai); void snd_soc_unregister_codec(struct device *dev); -int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg); +int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, + unsigned int reg); int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec, int addr_bits, int data_bits, enum snd_soc_control_type control); diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index b0e7689..ba81892 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2029,7 +2029,8 @@ static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num) * * Boolean function indiciating if a CODEC register is volatile. */ -int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg) +int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, + unsigned int reg) { if (codec->volatile_register) return codec->volatile_register(codec, reg); @@ -2039,6 +2040,25 @@ int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg) EXPORT_SYMBOL_GPL(snd_soc_codec_volatile_register);

/** + * snd_soc_codec_register_name: Return a plain text register name + * + * @codec: CODEC to query. + * @reg: Register to query for. + * + * Returns a string with a plain text name for the register, or NULL + * if none is available. + */ +const char *snd_soc_codec_register_name(struct snd_soc_codec *codec, + unsigned int reg) +{ + if (codec->volatile_register) + return codec->register_name(codec, reg); + else + return NULL; +} +EXPORT_SYMBOL_GPL(snd_soc_codec_register_name); + +/** * snd_soc_new_ac97_codec - initailise AC97 device * @codec: audio codec * @ops: AC97 bus operations