From f51c05bfaa7b98be049bb9e08c98b94346802a10 Mon Sep 17 00:00:00 2001 From: Dimitris Papastamos Date: Mon, 28 May 2012 13:40:33 +0100 Subject: 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 --- include/tinyalsa/asoundlib.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include') 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 +#include #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 */ -- cgit v1.2.3