1 .. Permission is granted to copy, distribute and/or modify this
2 .. document under the terms of the GNU Free Documentation License,
3 .. Version 1.1 or any later version published by the Free Software
4 .. Foundation, with no Invariant Sections, no Front-Cover Texts
5 .. and no Back-Cover Texts. A copy of the license is included at
6 .. Documentation/userspace-api/media/fdl-appendix.rst.
8 .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
10 .. _AUDIO_BILINGUAL_CHANNEL_SELECT:
12 ==============================
13 AUDIO_BILINGUAL_CHANNEL_SELECT
14 ==============================
19 AUDIO_BILINGUAL_CHANNEL_SELECT
21 .. attention:: This ioctl is deprecated
26 .. c:function:: int ioctl(int fd, AUDIO_BILINGUAL_CHANNEL_SELECT, struct *audio_channel_select)
27 :name: AUDIO_BILINGUAL_CHANNEL_SELECT
41 - File descriptor returned by a previous call to open().
45 - audio_channel_select_t ch
47 - Select the output format of the audio (mono left/right, stereo).
53 This ioctl is obsolete. Do not use in new drivers. It has been replaced
54 by the V4L2 ``V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK`` control
55 for MPEG decoders controlled through V4L2.
57 This ioctl call asks the Audio Device to select the requested channel
58 for bilingual streams if possible.
64 On success 0 is returned, on error -1 and the ``errno`` variable is set
65 appropriately. The generic error codes are described at the
66 :ref:`Generic Error Codes <gen-errors>` chapter.