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authorLinus Torvalds <torvalds@linux-foundation.org>2018-10-29 14:29:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-10-29 14:29:58 -0700
commit134bf98c5596605af90f104716ef912e8f7eb56b (patch)
treeb41d585cc432100933e790ad8cab21e970e6d8f6 /Documentation/media/uapi/cec
parent044ee890286153a1aefb40cb8b6659921aecb38b (diff)
parent3b796aa60af087f5fec75aee9b17f2130f2b9adc (diff)
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Merge tag 'media/v4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - new dvb frontend driver: lnbh29 - new sensor drivers: imx319 and imx 355 - some old soc_camera driver renames to avoid conflict with new drivers - new i.MX Pixel Pipeline (PXP) mem-to-mem platform driver - a new V4L2 frontend for the FWHT codec - several other improvements, bug fixes, code cleanups, etc * tag 'media/v4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (289 commits) media: rename soc_camera I2C drivers media: cec: forgot to cancel delayed work media: vivid: Support 480p for webcam capture media: v4l2-tpg: fix kernel oops when enabling HFLIP and OSD media: vivid: Add 16-bit bayer to format list media: v4l2-tpg-core: Add 16-bit bayer media: pvrusb2: replace `printk` with `pr_*` media: venus: vdec: fix decoded data size media: cx231xx: fix potential sign-extension overflow on large shift media: dt-bindings: media: rcar_vin: add device tree support for r8a7744 media: isif: fix a NULL pointer dereference bug media: exynos4-is: make const array config_ids static media: cx23885: make const array addr_list static media: ivtv: make const array addr_list static media: bttv-input: make const array addr_list static media: cx18: Don't check for address of video_dev media: dw9807-vcm: Fix probe error handling media: dw9714: Remove useless error message media: dw9714: Fix error handling in probe function media: cec: name for RC passthrough device does not need 'RC for' ...
Diffstat (limited to 'Documentation/media/uapi/cec')
-rw-r--r--Documentation/media/uapi/cec/cec-func-poll.rst3
-rw-r--r--Documentation/media/uapi/cec/cec-ioc-receive.rst25
2 files changed, 25 insertions, 3 deletions
diff --git a/Documentation/media/uapi/cec/cec-func-poll.rst b/Documentation/media/uapi/cec/cec-func-poll.rst
index d49f1ee0742d..c698c969635c 100644
--- a/Documentation/media/uapi/cec/cec-func-poll.rst
+++ b/Documentation/media/uapi/cec/cec-func-poll.rst
@@ -74,4 +74,5 @@ is returned, and the ``errno`` variable is set appropriately:
The call was interrupted by a signal.
``EINVAL``
- The ``nfds`` argument is greater than ``OPEN_MAX``.
+ The ``nfds`` value exceeds the ``RLIMIT_NOFILE`` value. Use
+ ``getrlimit()`` to obtain this value.
diff --git a/Documentation/media/uapi/cec/cec-ioc-receive.rst b/Documentation/media/uapi/cec/cec-ioc-receive.rst
index e964074cd15b..b25e48afaa08 100644
--- a/Documentation/media/uapi/cec/cec-ioc-receive.rst
+++ b/Documentation/media/uapi/cec/cec-ioc-receive.rst
@@ -16,10 +16,10 @@ CEC_RECEIVE, CEC_TRANSMIT - Receive or transmit a CEC message
Synopsis
========
-.. c:function:: int ioctl( int fd, CEC_RECEIVE, struct cec_msg *argp )
+.. c:function:: int ioctl( int fd, CEC_RECEIVE, struct cec_msg \*argp )
:name: CEC_RECEIVE
-.. c:function:: int ioctl( int fd, CEC_TRANSMIT, struct cec_msg *argp )
+.. c:function:: int ioctl( int fd, CEC_TRANSMIT, struct cec_msg \*argp )
:name: CEC_TRANSMIT
Arguments
@@ -272,6 +272,19 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
- The transmit failed after one or more retries. This status bit is
mutually exclusive with :ref:`CEC_TX_STATUS_OK <CEC-TX-STATUS-OK>`.
Other bits can still be set to explain which failures were seen.
+ * .. _`CEC-TX-STATUS-ABORTED`:
+
+ - ``CEC_TX_STATUS_ABORTED``
+ - 0x40
+ - The transmit was aborted due to an HDMI disconnect, or the adapter
+ was unconfigured, or a transmit was interrupted, or the driver
+ returned an error when attempting to start a transmit.
+ * .. _`CEC-TX-STATUS-TIMEOUT`:
+
+ - ``CEC_TX_STATUS_TIMEOUT``
+ - 0x80
+ - The transmit timed out. This should not normally happen and this
+ indicates a driver problem.
.. tabularcolumns:: |p{5.6cm}|p{0.9cm}|p{11.0cm}|
@@ -300,6 +313,14 @@ View On' messages from initiator 0xf ('Unregistered') to destination 0 ('TV').
- The message was received successfully but the reply was
``CEC_MSG_FEATURE_ABORT``. This status is only set if this message
was the reply to an earlier transmitted message.
+ * .. _`CEC-RX-STATUS-ABORTED`:
+
+ - ``CEC_RX_STATUS_ABORTED``
+ - 0x08
+ - The wait for a reply to an earlier transmitted message was aborted
+ because the HDMI cable was disconnected, the adapter was unconfigured
+ or the :ref:`CEC_TRANSMIT <CEC_RECEIVE>` that waited for a
+ reply was interrupted.