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| author | Dimitris Papastamos <dp@opensource.wolfsonmicro.com> | 2011-01-19 14:53:36 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-01-20 13:40:30 +0000 |
| commit | dad8e7aeeb83a26d267e757e4c1cf69591850477 (patch) | |
| tree | 03ba025a19d20e4272db00761cf8723e19ecae38 /include | |
| parent | e66ef2f81f1d36b5413e3fc7ff548de683f0750b (diff) | |
| download | linux-stable-dad8e7aeeb83a26d267e757e4c1cf69591850477.tar.gz linux-stable-dad8e7aeeb83a26d267e757e4c1cf69591850477.tar.bz2 linux-stable-dad8e7aeeb83a26d267e757e4c1cf69591850477.zip | |
ASoC: soc-cache: Introduce the cache_bypass option
This is primarily needed to avoid writing back to the cache
whenever we are syncing the cache with the hardware. This gives a
performance benefit especially for large register maps.
Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sound/soc.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index d244f9013767..c184f84a354c 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -488,6 +488,7 @@ struct snd_soc_codec { /* runtime */ struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ unsigned int active; + unsigned int cache_bypass:1; /* Suppress access to the cache */ unsigned int cache_only:1; /* Suppress writes to hardware */ unsigned int cache_sync:1; /* Cache needs to be synced to hardware */ unsigned int suspended:1; /* Codec is in suspend PM state */ |