6.1.2.6. FE_GET_FRONTEND¶
6.1.2.6.2. Synopsis¶
-
FE_GET_FRONTEND¶
int ioctl(int fd, FE_GET_FRONTEND, struct dvb_frontend_parameters *p)
6.1.2.6.3. Arguments¶
fd- File descriptor returned by
open(). p- Points to parameters for tuning operation.
6.1.2.6.4. Description¶
This ioctl call queries the currently effective frontend parameters. For this command, read-only access to the device is sufficient.
6.1.2.6.5. Return Value¶
On success 0 is returned.
On error -1 is returned, and the errno variable is set
appropriately.
EINVAL |
Maximum supported symbol rate reached. |
Generic error codes are described at the Generic Error Codes chapter.