tegrakernel/kernel/kernel-4.9/Documentation/media/uapi/dvb/video-set-spu-palette.rst

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.. -*- 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::
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: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.
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- ``EINVAL``
- input is not a valid palette or driver doesnt handle SPU.