int ioctl(fd, int request = AUDIO_SET_KARAOKE, audio_karaoke_t *karaoke) Arguments

int fd File descriptor returned by a previous call to open().
int request Equals AUDIO_SET_KARAOKE for this command.
audio_karaoke_t *karaoke karaoke settings according to section ??. Description

This ioctl allows one to set the mixer settings for a karaoke DVD. Return Value

On success 0 is returned, on error -1 and the errno variable is set appropriately. The generic error codes are described at the Generic Error Codes chapter.

EINVAL karaoke is not a valid or supported karaoke setting.