This ioctl is deprecated.
int ioctl(int fd, FE_READ_BER, uint32_t *ber)
File descriptor returned by
The bit error rate is stored into *ber.
This ioctl call returns the bit error rate for the signal currently received/demodulated by the front-end. For this command, read-only access to the device is sufficient.
220.127.116.11.5. Return Value¶
On success 0 is returned.
On error -1 is returned, and the
errno variable is set
Generic error codes are described at the Generic Error Codes chapter.