vx_set_monitor_level
int vx_set_monitor_level(struct vx_core *chip, int audio, int level, int active);
vx_set_monitor_level(chip, audio, val[0],
vx_set_monitor_level(chip, audio+1, val[1],
vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],
vx_set_monitor_level(chip, audio, chip->audio_monitor[audio],
vx_set_monitor_level(chip, audio+1, chip->audio_monitor[audio+1],