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authorLinus Torvalds <torvalds@linux-foundation.org>2021-06-28 15:49:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-06-28 15:49:58 -0700
commit31e798fd6f0ff0acdc49c1a358b581730936a09a (patch)
tree5c1c271ad457a8328aea35539e69c6ad9d1474b7 /Documentation/userspace-api/media/dvb/audio-set-av-sync.rst
parent36824f198c621cebeb22966b5e244378fa341295 (diff)
parent61c6f04a988e420a1fc5e8e81cf9aebf142a7bd6 (diff)
downloadlinux-31e798fd6f0ff0acdc49c1a358b581730936a09a.tar.bz2
Merge tag 'media/v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - V4L2 core control API was split into separate files - New RC maps: tango and tc-90405 - Hantro driver got support for G2/HEVC decoder - av7710 is moving to staging, together with some legacy APIs - several cleanups related to compat_ioctl32 code - Move the MPEG-2 stateless control type out of staging - Address several issues with RPM get logic on media drivers - Lots of cleanups, bug fixes and improvements. * tag 'media/v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (394 commits) media: s5p-mfc: Fix display delay control creation media: mtk-vpu: on suspend, read/write regs only if vpu is running media: video-mux: Skip dangling endpoints media: Fix Media Controller API config checks media: i2c: rdacm20: Re-work ov10635 reset media: i2c: rdacm20: Check return values media: i2c: rdacm20: Report camera module name media: i2c: rdacm20: Enable noise immunity media: i2c: rdacm20: Embed 'serializer' field media: i2c: rdacm21: Power up OV10640 before OV490 media: i2c: rdacm21: Fix OV10640 powerup media: i2c: rdacm21: Add delay after OV490 reset media: i2c: max9271: Introduce wake_up() function media: i2c: max9271: Check max9271_write() return media: i2c: max9286: Rework comments in .bound() media: i2c: max9286: Define high channel amplitude media: i2c: max9286: Cache channel amplitude media: i2c: max9286: Rename reverse_channel_mv media: i2c: max9286: Adjust parameters indent media: hantro: add support for Rockchip RK3036 ...
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-.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
-.. c:namespace:: DTV.audio
-
-.. _AUDIO_SET_AV_SYNC:
-
-=================
-AUDIO_SET_AV_SYNC
-=================
-
-Name
-----
-
-AUDIO_SET_AV_SYNC
-
-.. attention:: This ioctl is deprecated
-
-Synopsis
---------
-
-.. c:macro:: AUDIO_SET_AV_SYNC
-
-``int ioctl(int fd, AUDIO_SET_AV_SYNC, boolean state)``
-
-Arguments
----------
-
-.. flat-table::
- :header-rows: 0
- :stub-columns: 0
-
- -
-
- - int fd
-
- - File descriptor returned by a previous call to open().
-
- -
-
- - boolean state
-
- - Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF.
-
- TRUE: AV-sync ON
-
- FALSE: AV-sync OFF
-
-Description
------------
-
-This ioctl call asks the Audio Device to turn ON or OFF A/V
-synchronization.
-
-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.