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| author | Dimitris Papastamos <dp@opensource.wolfsonmicro.com> | 2011-03-22 10:37:03 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-03-26 17:44:14 +0000 |
| commit | 5fb609d435f0679ed322ddeb1fdafe6142463fdf (patch) | |
| tree | c0da5a9fca23fab307305acf6be95272eb2e8c52 /include/sound | |
| parent | f3594f5c5c489d159f6d487a889d9d68ca4c0123 (diff) | |
| download | kernel_samsung_smdk4412-5fb609d435f0679ed322ddeb1fdafe6142463fdf.zip kernel_samsung_smdk4412-5fb609d435f0679ed322ddeb1fdafe6142463fdf.tar.gz kernel_samsung_smdk4412-5fb609d435f0679ed322ddeb1fdafe6142463fdf.tar.bz2 | |
ASoC: soc-cache: Introduce raw bulk write support
As it has become more common to have to write firmware or similar
large chunks of data to the hardware, add a function to perform
raw bulk writes that bypass the cache. This only handles volatile
registers as we should avoid getting out of sync with the actual
cache.
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/sound')
| -rw-r--r-- | include/sound/soc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index bfa4836..2f2a51f 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -543,6 +543,7 @@ struct snd_soc_codec { unsigned int (*hw_read)(struct snd_soc_codec *, unsigned int); unsigned int (*read)(struct snd_soc_codec *, unsigned int); int (*write)(struct snd_soc_codec *, unsigned int, unsigned int); + int (*bulk_write_raw)(struct snd_soc_codec *, unsigned int, const void *, size_t); void *reg_cache; const void *reg_def_copy; const struct snd_soc_cache_ops *cache_ops; @@ -814,6 +815,8 @@ struct soc_enum { unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg); unsigned int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg, unsigned int val); +unsigned int snd_soc_bulk_write_raw(struct snd_soc_codec *codec, + unsigned int reg, const void *data, size_t len); /* device driver data */ |