diff options
| author | Dimitris Papastamos <dp@opensource.wolfsonmicro.com> | 2012-05-28 13:40:33 +0100 |
|---|---|---|
| committer | Dimitris Papastamos <dp@opensource.wolfsonmicro.com> | 2012-10-24 10:42:13 +0100 |
| commit | f51c05bfaa7b98be049bb9e08c98b94346802a10 (patch) | |
| tree | 272b7bb317c92ecb36e595b79bf121b45ff5effe /include | |
| parent | fcf66ab156a236ba2bb31df7d4d4611b8b7be431 (diff) | |
mixer: Add mixer_ctl_{set,get}_bytes()
For binary controls we don't want to go through
mixer_ctl_{set,get}_value() as that will trigger many calls to our
get()/put() callback in the kernel. Set the entire payload at once
and trigger the get()/put() callback once.
Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/tinyalsa/asoundlib.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/tinyalsa/asoundlib.h b/include/tinyalsa/asoundlib.h index 5894257..bdb4b7a 100644 --- a/include/tinyalsa/asoundlib.h +++ b/include/tinyalsa/asoundlib.h @@ -30,6 +30,7 @@ #define ASOUNDLIB_H #include <sys/time.h> +#include <stddef.h> #if defined(__cplusplus) extern "C" { @@ -193,7 +194,9 @@ int mixer_ctl_get_percent(struct mixer_ctl *ctl, unsigned int id); int mixer_ctl_set_percent(struct mixer_ctl *ctl, unsigned int id, int percent); int mixer_ctl_get_value(struct mixer_ctl *ctl, unsigned int id); +int mixer_ctl_get_bytes(struct mixer_ctl *ctl, void *data, size_t len); int mixer_ctl_set_value(struct mixer_ctl *ctl, unsigned int id, int value); +int mixer_ctl_set_bytes(struct mixer_ctl *ctl, const void *data, size_t len); int mixer_ctl_set_enum_by_string(struct mixer_ctl *ctl, const char *string); /* Determe range of integer mixer controls */ |