| .. -*- coding: utf-8; mode: rst -*- | |
| .. _CA_SET_DESCR: | |
| ============ | |
| CA_SET_DESCR | |
| ============ | |
| Name | |
| ---- | |
| CA_SET_DESCR | |
| Synopsis | |
| -------- | |
| .. c:function:: int ioctl(fd, CA_SET_DESCR, struct ca_descr *desc) | |
| :name: CA_SET_DESCR | |
| Arguments | |
| --------- | |
| ``fd`` | |
| File descriptor returned by a previous call to :c:func:`open() <cec-open>`. | |
| ``msg`` | |
| Pointer to struct :c:type:`ca_descr`. | |
| Description | |
| ----------- | |
| .. note:: This ioctl is undocumented. Documentation is welcome. | |
| 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 | |
| :ref:`Generic Error Codes <gen-errors>` chapter. |