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authorLinus Torvalds <torvalds@linux-foundation.org>2016-10-11 23:22:22 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-11 23:22:22 +0300
commitde34f4da7f62ff59ac6e1ef320b0fcfa3296fce3 (patch)
tree88b5db2fc7fbbb0353edd8447a832a5225a49d01 /Documentation/media/uapi/v4l/vidioc-querystd.rst
parent56e520c7a0a490b63b042b047ec9659fc08762a4 (diff)
parent9fce0c226536fc36c7fb0a80000ca38a995be43e (diff)
downloadlinux-de34f4da7f62ff59ac6e1ef320b0fcfa3296fce3.tar.xz
Merge tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - Documentation improvements: conversion of all non-DocBook documents to Sphinx and lots of fixes to the uAPI media book - New PCI driver for Techwell TW5864 media grabber boards - New SoC driver for ATMEL Image Sensor Controller - Removal of some obsolete SoC drivers (s5p-tv driver and soc_camera drivers) - Addition of ST CEC driver - Lots of drivers fixes, improvements and additions * tag 'media/v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (464 commits) [media] ttusb_dec: avoid the risk of go past buffer [media] cx23885: Fix some smatch warnings [media] si2165: switch to regmap [media] si2165: use i2c_client->dev instead of i2c_adapter->dev for logging [media] si2165: Remove legacy attach [media] cx231xx: attach si2165 driver via i2c_client [media] cx231xx: Prepare for attaching new style i2c_client DVB demod drivers [media] cx23885: attach si2165 driver via i2c_client [media] si2165: support i2c_client attach [media] si2165: avoid division by zero [media] rcar-vin: add R-Car gen2 fallback compatibility string [media] lgdt3306a: remove 20*50 msec unnecessary timeout [media] cx25821: Remove deprecated create_singlethread_workqueue [media] cx25821: Drop Freeing of Workqueue [media] cxd2841er: force 8MHz bandwidth for DVB-C if specified bw not supported [media] redrat3: hardware-specific parameters [media] redrat3: remove hw_timeout member [media] cxd2841er: BER and SNR reading for ISDB-T [media] dvb-usb: avoid link error with dib3000m{b,c| [media] dvb-usb: split out common parts of dibusb ...
Diffstat (limited to 'Documentation/media/uapi/v4l/vidioc-querystd.rst')
-rw-r--r--Documentation/media/uapi/v4l/vidioc-querystd.rst10
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/media/uapi/v4l/vidioc-querystd.rst b/Documentation/media/uapi/v4l/vidioc-querystd.rst
index b4a4e222c7b0..3ef9ab37f582 100644
--- a/Documentation/media/uapi/v4l/vidioc-querystd.rst
+++ b/Documentation/media/uapi/v4l/vidioc-querystd.rst
@@ -15,7 +15,8 @@ VIDIOC_QUERYSTD - Sense the video standard received by the current input
Synopsis
========
-.. cpp:function:: int ioctl( int fd, int request, v4l2_std_id *argp )
+.. c:function:: int ioctl( int fd, VIDIOC_QUERYSTD, v4l2_std_id *argp )
+ :name: VIDIOC_QUERYSTD
Arguments
@@ -24,9 +25,6 @@ Arguments
``fd``
File descriptor returned by :ref:`open() <func-open>`.
-``request``
- VIDIOC_QUERYSTD
-
``argp``
@@ -43,7 +41,9 @@ will return V4L2_STD_UNKNOWN. When detection is not possible or fails,
the set must contain all standards supported by the current video input
or output.
-.. note:: Drivers shall *not* switch the video standard
+.. note::
+
+ Drivers shall *not* switch the video standard
automatically if a new video standard is detected. Instead, drivers
should send the ``V4L2_EVENT_SOURCE_CHANGE`` event (if they support
this) and expect that userspace will take action by calling