HelenOS sources

audio_mixer_set_item_level  101 uspace/app/mixerctl/mixerctl.c 	errno_t ret = audio_mixer_set_item_level(exch, item, value);
audio_mixer_set_item_level   49 uspace/lib/drv/include/audio_mixer_iface.h errno_t audio_mixer_set_item_level(async_exch_t *, unsigned, unsigned);