This ioctl is deprecated Synopsis

int ioctl(int fd, AUDIO_CHANNEL_SELECT, struct *audio_channel_select) Arguments

int fd File descriptor returned by a previous call to open().
audio_channel_select_t ch Select the output format of the audio (mono left/right, stereo). Description

This ioctl is for Digital TV devices only. To control a V4L2 decoder use the V4L2 V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK control instead.

This ioctl call asks the Audio Device to select the requested channel if possible. 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.