linux/Documentation/media/uapi/dvb/video-set-spu-palette.rst

83 lines
1.3 KiB
ReStructuredText
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

.. -*- coding: utf-8; mode: rst -*-
.. _VIDEO_SET_SPU_PALETTE:
=====================
VIDEO_SET_SPU_PALETTE
=====================
Name
----
VIDEO_SET_SPU_PALETTE
.. attention:: This ioctl is deprecated.
Synopsis
--------
.. c:function:: int ioctl(fd, VIDEO_SET_SPU_PALETTE, struct video_spu_palette *palette )
:name: VIDEO_SET_SPU_PALETTE
Arguments
---------
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- int fd
- File descriptor returned by a previous call to open().
- .. row 2
- int request
- Equals VIDEO_SET_SPU_PALETTE for this command.
- .. row 3
- video_spu_palette_t \*palette
- SPU palette according to section ??.
Description
-----------
This ioctl sets the SPU color palette.
.. c:type:: video_spu_palette
.. code-block::c
typedef struct video_spu_palette { /* SPU Palette information */
int length;
__u8 __user *palette;
} video_spu_palette_t;
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.
.. flat-table::
:header-rows: 0
:stub-columns: 0
- .. row 1
- ``EINVAL``
- input is not a valid palette or driver doesnt handle SPU.