This ioctl is deprecated Synopsis

int ioctl(int fd, AUDIO_GET_CAPABILITIES, unsigned int *cap) Arguments

int fd File descriptor returned by a previous call to open().
unsigned int *cap Returns a bit array of supported sound formats. Description

This ioctl call asks the Audio Device to tell us about the decoding capabilities of the audio hardware. 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.