blob: 4f6db70a184121d3d8f10395e46eac06aa2c67bb [file]
.. -*- coding: utf-8; mode: rst -*-
.. _CA_SC2_SET_DESCR_EX:
============
CA_SC2_SET_DESCR_EX
============
Name
----
CA_SC2_SET_DESCR_EX
Synopsis
--------
.. c:function:: int ioctl(fd, CA_SC2_SET_DESCR, struct ca_sc2_descr_ex *desc)
:name: CA_SC2_SET_DESCR_EX
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open() <cec-open>`.
``msg``
Pointer to struct :c:type:`ca_sc2_descr_ex`. the cmd it include
CA_ALLOC/CA_FREE/CA_KEY/CA_GET_STATUS/CA_SET_SCB/CA_SET_ALGO
Description
-----------
this extend for amlogic sc2 chip, support DSC setting.
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.