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authorDimitris Papastamos <dp@opensource.wolfsonmicro.com>2011-03-24 13:45:17 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-03-26 17:45:16 +0000
commit8020454c9a1ec5ac5801805896b5f69d0c573e17 (patch)
tree60141172b88a90a0f31d9412d338d65c2d9c4f00 /include
parentacd61451e55ea5848a6ab50d39a103e146fcf7ba (diff)
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ASoC: Add default snd_soc_default_writable_register() callback
By using struct snd_soc_reg_access for the read/write/vol attributes of the registers, we provide callbacks that automatically determine whether a given register is readable/writable or volatile. Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'include')
-rw-r--r--include/sound/soc.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 4a11795aaee..e20835753c6 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -292,6 +292,8 @@ int snd_soc_default_volatile_register(struct snd_soc_codec *codec,
unsigned int reg);
int snd_soc_default_readable_register(struct snd_soc_codec *codec,
unsigned int reg);
+int snd_soc_default_writable_register(struct snd_soc_codec *codec,
+ unsigned int reg);
/* Utility functions to get clock rates from various things */
int snd_soc_calc_frame_size(int sample_size, int channels, int tdm_slots);
@@ -523,6 +525,7 @@ struct snd_soc_codec {
size_t reg_size; /* reg_cache_size * reg_word_size */
int (*volatile_register)(struct snd_soc_codec *, unsigned int);
int (*readable_register)(struct snd_soc_codec *, unsigned int);
+ int (*writable_register)(struct snd_soc_codec *, unsigned int);
/* runtime */
struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */
@@ -589,6 +592,7 @@ struct snd_soc_codec_driver {
size_t, unsigned int);
int (*volatile_register)(struct snd_soc_codec *, unsigned int);
int (*readable_register)(struct snd_soc_codec *, unsigned int);
+ int (*writable_register)(struct snd_soc_codec *, unsigned int);
short reg_cache_size;
short reg_cache_step;
short reg_word_size;