| .. -*- coding: utf-8; mode: rst -*- | |
| .. _FE_GET_FRONTEND: | |
| *************** | |
| FE_GET_FRONTEND | |
| *************** | |
| Name | |
| ==== | |
| FE_GET_FRONTEND | |
| .. attention:: This ioctl is deprecated. | |
| Synopsis | |
| ======== | |
| .. c:function:: int ioctl(int fd, FE_GET_FRONTEND, struct dvb_frontend_parameters *p) | |
| :name: FE_GET_FRONTEND | |
| Arguments | |
| ========= | |
| ``fd`` | |
| File descriptor returned by :c:func:`open() <dvb-fe-open>`. | |
| ``p`` | |
| Points to parameters for tuning operation. | |
| Description | |
| =========== | |
| This ioctl call queries the currently effective frontend parameters. For | |
| this command, read-only access to the device is sufficient. | |
| Return Value | |
| ============ | |
| On success 0 is returned. | |
| On error -1 is returned, and the ``errno`` variable is set | |
| appropriately. | |
| .. flat-table:: | |
| :header-rows: 0 | |
| :stub-columns: 0 | |
| - .. row 1 | |
| - ``EINVAL`` | |
| - Maximum supported symbol rate reached. | |
| Generic error codes are described at the | |
| :ref:`Generic Error Codes <gen-errors>` chapter. |