diff options
author | Markus Heiser <markus.heiser@darmarIT.de> | 2016-07-08 21:55:43 +0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-08 23:39:15 +0300 |
commit | 21c62694499800f74def88edfbd5dcd91c492b79 (patch) | |
tree | f8998e60c0400ba5475dba3685d9ac0ca1984b9d /Documentation/media | |
parent | e2460b1d579a6ea4f90cf2915da87b16b59e0082 (diff) | |
download | linux-21c62694499800f74def88edfbd5dcd91c492b79.tar.xz |
[media] doc-rst: linux_tc CEC enhanced markup
leaved content unchanged, only improved markup and references
* more man-like sections (add Name section)
* defined target for each stuct field description
* replace constant with ":ref:" to (field) description
Signed-off-by: Markus Heiser <markus.heiser@darmarIT.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media')
-rw-r--r-- | Documentation/media/uapi/cec/cec-api.rst | 11 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-func-close.rst | 16 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-func-ioctl.rst | 17 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-func-open.rst | 26 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-func-poll.rst | 20 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst | 41 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst | 87 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst | 31 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-dqevent.rst | 30 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-g-mode.rst | 95 | ||||
-rw-r--r-- | Documentation/media/uapi/cec/cec-ioc-receive.rst | 74 |
11 files changed, 181 insertions, 267 deletions
diff --git a/Documentation/media/uapi/cec/cec-api.rst b/Documentation/media/uapi/cec/cec-api.rst index 2aa0c50e60b3..ffee32e0f906 100644 --- a/Documentation/media/uapi/cec/cec-api.rst +++ b/Documentation/media/uapi/cec/cec-api.rst @@ -43,7 +43,7 @@ control just the CEC pin. Drivers that support CEC will create a CEC device node (/dev/cecX) to give userspace access to the CEC adapter. The -:ref:`CEC_ADAP_G_CAPS <cec-ioc-adap-g-caps>` ioctl will tell +:ref:`CEC_ADAP_G_CAPS` ioctl will tell userspace what it is allowed to do. @@ -83,12 +83,3 @@ Revision and Copyright :revision: 1.0.0 / 2016-03-17 (*hv*) Initial revision - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-func-close.rst b/Documentation/media/uapi/cec/cec-func-close.rst index 68e47e2aa068..11f083602792 100644 --- a/Documentation/media/uapi/cec/cec-func-close.rst +++ b/Documentation/media/uapi/cec/cec-func-close.rst @@ -6,9 +6,10 @@ cec close() *********** -*man cec-close(2)* +Name +==== -Close a cec device +cec-close - Close a cec device Synopsis @@ -19,7 +20,7 @@ Synopsis #include <unistd.h> -.. c:function:: int close( int fd ) +.. cpp:function:: int close( int fd ) Arguments ========= @@ -46,12 +47,3 @@ Return Value EBADF ``fd`` is not a valid open file descriptor. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-func-ioctl.rst b/Documentation/media/uapi/cec/cec-func-ioctl.rst index 9d37591e3ef4..69510ac5088a 100644 --- a/Documentation/media/uapi/cec/cec-func-ioctl.rst +++ b/Documentation/media/uapi/cec/cec-func-ioctl.rst @@ -6,10 +6,10 @@ cec ioctl() *********** -*man cec-ioctl(2)* - -Control a cec device +Name +==== +cec-ioctl - Control a cec device Synopsis ======== @@ -19,7 +19,7 @@ Synopsis #include <sys/ioctl.h> -.. c:function:: int ioctl( int fd, int request, void *argp ) +.. cpp:function:: int ioctl( int fd, int request, void *argp ) Arguments ========= @@ -66,12 +66,3 @@ descriptions. When an ioctl that takes an output or read/write parameter fails, the parameter remains unmodified. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-func-open.rst b/Documentation/media/uapi/cec/cec-func-open.rst index 4691194ee795..53ffc091e2c0 100644 --- a/Documentation/media/uapi/cec/cec-func-open.rst +++ b/Documentation/media/uapi/cec/cec-func-open.rst @@ -6,10 +6,10 @@ cec open() ********** -*man cec-open(2)* - -Open a cec device +Name +==== +cec-open - Open a cec device Synopsis ======== @@ -19,7 +19,8 @@ Synopsis #include <fcntl.h> -.. c:function:: int open( const char *device_name, int flags ) +.. cpp:function:: int open( const char *device_name, int flags ) + Arguments ========= @@ -31,11 +32,11 @@ Arguments Open flags. Access mode must be ``O_RDWR``. When the ``O_NONBLOCK`` flag is given, the - :ref:`CEC_RECEIVE <cec-ioc-receive>` ioctl will return EAGAIN + :ref:`CEC_RECEIVE` ioctl will return EAGAIN error code when no message is available, and the - :ref:`CEC_TRANSMIT <cec-ioc-receive>`, - :ref:`CEC_ADAP_S_PHYS_ADDR <cec-ioc-adap-g-phys-addr>` and - :ref:`CEC_ADAP_S_LOG_ADDRS <cec-ioc-adap-g-log-addrs>` ioctls + :ref:`CEC_TRANSMIT`, + :ref:`CEC_ADAP_S_PHYS_ADDR` and + :ref:`CEC_ADAP_S_LOG_ADDRS` ioctls all act in non-blocking mode. Other flags have no effect. @@ -77,12 +78,3 @@ ENOMEM ENXIO No device corresponding to this device special file exists. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-func-poll.rst b/Documentation/media/uapi/cec/cec-func-poll.rst index ee559217c4f1..ff5175fbf62f 100644 --- a/Documentation/media/uapi/cec/cec-func-poll.rst +++ b/Documentation/media/uapi/cec/cec-func-poll.rst @@ -6,9 +6,10 @@ cec poll() ********** -*man cec-poll(2)* +Name +==== -Wait for some event on a file descriptor +cec-poll - Wait for some event on a file descriptor Synopsis @@ -19,7 +20,11 @@ Synopsis #include <sys/poll.h> -.. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout ) +.. cpp:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout ) + +Arguments +========= + Description =========== @@ -63,12 +68,3 @@ EINTR EINVAL The ``nfds`` argument is greater than ``OPEN_MAX``. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst index e5441eca6f75..4544b6f86ae0 100644 --- a/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst +++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-caps.rst @@ -1,20 +1,20 @@ .. -*- coding: utf-8; mode: rst -*- -.. _cec-ioc-adap-g-caps: +.. _CEC_ADAP_G_CAPS: ********************* ioctl CEC_ADAP_G_CAPS ********************* -*man CEC_ADAP_G_CAPS(2)* - -Query device capabilities +Name +==== +CEC_ADAP_G_CAPS - Query device capabilities Synopsis ======== -.. c:function:: int ioctl( int fd, int request, struct cec_caps *argp ) +.. cpp:function:: int ioctl( int fd, int request, struct cec_caps *argp ) Arguments ========= @@ -34,7 +34,7 @@ Description Note: this documents the proposed CEC API. This API is not yet finalized and is currently only available as a staging kernel module. -All cec devices must support the ``CEC_ADAP_G_CAPS`` ioctl. To query +All cec devices must support the :ref:`CEC_ADAP_G_CAPS` ioctl. To query device information, applications call the ioctl with a pointer to a struct :ref:`cec_caps <cec-caps>`. The driver fills the structure and returns the information to the application. The ioctl never fails. @@ -93,52 +93,52 @@ returns the information to the application. The ioctl never fails. :widths: 3 1 4 - - .. row 1 + - .. _`CEC_CAP_PHYS_ADDR`: - ``CEC_CAP_PHYS_ADDR`` - 0x00000001 - Userspace has to configure the physical address by calling - :ref:`CEC_ADAP_S_PHYS_ADDR <cec-ioc-adap-g-phys-addr>`. If + :ref:`CEC_ADAP_S_PHYS_ADDR`. If this capability isn't set, then setting the physical address is handled by the kernel whenever the EDID is set (for an HDMI receiver) or read (for an HDMI transmitter). - - .. row 2 + - .. _`CEC_CAP_LOG_ADDRS`: - ``CEC_CAP_LOG_ADDRS`` - 0x00000002 - Userspace has to configure the logical addresses by calling - :ref:`CEC_ADAP_S_LOG_ADDRS <cec-ioc-adap-g-log-addrs>`. If + :ref:`CEC_ADAP_S_LOG_ADDRS`. If this capability isn't set, then the kernel will have configured this. - - .. row 3 + - .. _`CEC_CAP_TRANSMIT`: - ``CEC_CAP_TRANSMIT`` - 0x00000004 - Userspace can transmit CEC messages by calling - :ref:`CEC_TRANSMIT <cec-ioc-receive>`. This implies that + :ref:`CEC_TRANSMIT`. This implies that userspace can be a follower as well, since being able to transmit messages is a prerequisite of becoming a follower. If this capability isn't set, then the kernel will handle all CEC transmits and process all CEC messages it receives. - - .. row 4 + - .. _`CEC_CAP_PASSTHROUGH`: - ``CEC_CAP_PASSTHROUGH`` - 0x00000008 - Userspace can use the passthrough mode by calling - :ref:`CEC_S_MODE <cec-ioc-g-mode>`. + :ref:`CEC_S_MODE`. - - .. row 5 + - .. _`CEC_CAP_RC`: - ``CEC_CAP_RC`` @@ -146,7 +146,7 @@ returns the information to the application. The ioctl never fails. - This adapter supports the remote control protocol. - - .. row 6 + - .. _`CEC_CAP_MONITOR_ALL`: - ``CEC_CAP_MONITOR_ALL`` @@ -163,12 +163,3 @@ 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. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst index 70fd5b96ecc1..f6c294fe119e 100644 --- a/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst +++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst @@ -1,21 +1,24 @@ .. -*- coding: utf-8; mode: rst -*- -.. _cec-ioc-adap-g-log-addrs: +.. _CEC_ADAP_LOG_ADDRS: +.. _CEC_ADAP_G_LOG_ADDRS: +.. _CEC_ADAP_S_LOG_ADDRS: ************************************************ ioctl CEC_ADAP_G_LOG_ADDRS, CEC_ADAP_S_LOG_ADDRS ************************************************ -*man CEC_ADAP_G_LOG_ADDRS(2)* +Name +==== -CEC_ADAP_S_LOG_ADDRS -Get or set the logical addresses +CEC_ADAP_G_LOG_ADDRS, CEC_ADAP_S_LOG_ADDRS - Get or set the logical addresses Synopsis ======== -.. c:function:: int ioctl( int fd, int request, struct cec_log_addrs *argp ) +.. cpp:function:: int ioctl( int fd, int request, struct cec_log_addrs *argp ) + Arguments ========= @@ -36,18 +39,18 @@ Note: this documents the proposed CEC API. This API is not yet finalized and is currently only available as a staging kernel module. To query the current CEC logical addresses, applications call the -``CEC_ADAP_G_LOG_ADDRS`` ioctl with a pointer to a +:ref:`CEC_ADAP_G_LOG_ADDRS` ioctl with a pointer to a :c:type:`struct cec_log_addrs` structure where the drivers stores the logical addresses. To set new logical addresses, applications fill in struct -:c:type:`struct cec_log_addrs` and call the ``CEC_ADAP_S_LOG_ADDRS`` -ioctl with a pointer to this struct. The ``CEC_ADAP_S_LOG_ADDRS`` ioctl +:c:type:`struct cec_log_addrs` and call the :ref:`CEC_ADAP_S_LOG_ADDRS` +ioctl with a pointer to this struct. The :ref:`CEC_ADAP_S_LOG_ADDRS` ioctl is only available if ``CEC_CAP_LOG_ADDRS`` is set (ENOTTY error code is returned otherwise). This ioctl will block until all requested logical -addresses have been claimed. ``CEC_ADAP_S_LOG_ADDRS`` can only be called +addresses have been claimed. :ref:`CEC_ADAP_S_LOG_ADDRS` can only be called by a file handle in initiator mode (see -:ref:`CEC_S_MODE <cec-ioc-g-mode>`). +:ref:`CEC_S_MODE`). .. _cec-log-addrs: @@ -90,7 +93,7 @@ by a file handle in initiator mode (see - The CEC version that this adapter shall use. See :ref:`cec-versions`. Used to implement the ``CEC_MSG_CEC_VERSION`` and ``CEC_MSG_REPORT_FEATURES`` messages. - Note that ``CEC_OP_CEC_VERSION_1_3A`` is not allowed by the CEC + Note that :ref:`CEC_OP_CEC_VERSION_1_3A <CEC_OP_CEC_VERSION_1_3A>` is not allowed by the CEC framework. - .. row 4 @@ -101,7 +104,7 @@ by a file handle in initiator mode (see - Number of logical addresses to set up. Must be ≤ ``available_log_addrs`` as returned by - :ref:`CEC_ADAP_G_CAPS <cec-ioc-adap-g-caps>`. All arrays in + :ref:`CEC_ADAP_G_CAPS`. All arrays in this structure are only filled up to index ``available_log_addrs``-1. The remaining array elements will be ignored. Note that the CEC 2.0 standard allows for a maximum of 2 @@ -158,7 +161,7 @@ by a file handle in initiator mode (see - Logical address types. See :ref:`cec-log-addr-types` for possible types. The driver will update this with the actual logical address type that it claimed (e.g. it may have to fallback - to ``CEC_LOG_ADDR_TYPE_UNREGISTERED``). + to :ref:`CEC_LOG_ADDR_TYPE_UNREGISTERED <CEC_LOG_ADDR_TYPE_UNREGISTERED>`). - .. row 10 @@ -169,7 +172,7 @@ by a file handle in initiator mode (see - CEC 2.0 specific: all device types. See :ref:`cec-all-dev-types-flags`. Used to implement the ``CEC_MSG_REPORT_FEATURES`` message. This field is ignored if - ``cec_version`` < ``CEC_OP_CEC_VERSION_2_0``. + ``cec_version`` < :ref:`CEC_OP_CEC_VERSION_2_0 <CEC_OP_CEC_VERSION_2_0>`. - .. row 11 @@ -180,7 +183,7 @@ by a file handle in initiator mode (see - Features for each logical address. Used to implement the ``CEC_MSG_REPORT_FEATURES`` message. The 12 bytes include both the RC Profile and the Device Features. This field is ignored if - ``cec_version`` < ``CEC_OP_CEC_VERSION_2_0``. + ``cec_version`` < :ref:`CEC_OP_CEC_VERSION_2_0 <CEC_OP_CEC_VERSION_2_0>`. @@ -192,7 +195,7 @@ by a file handle in initiator mode (see :widths: 3 1 4 - - .. row 1 + - .. _`CEC_OP_CEC_VERSION_1_3A`: - ``CEC_OP_CEC_VERSION_1_3A`` @@ -200,7 +203,7 @@ by a file handle in initiator mode (see - CEC version according to the HDMI 1.3a standard. - - .. row 2 + - .. _`CEC_OP_CEC_VERSION_1_4B`: - ``CEC_OP_CEC_VERSION_1_4B`` @@ -208,7 +211,7 @@ by a file handle in initiator mode (see - CEC version according to the HDMI 1.4b standard. - - .. row 3 + - .. _`CEC_OP_CEC_VERSION_2_0`: - ``CEC_OP_CEC_VERSION_2_0`` @@ -226,7 +229,7 @@ by a file handle in initiator mode (see :widths: 3 1 4 - - .. row 1 + - .. _`CEC_OP_PRIM_DEVTYPE_TV`: - ``CEC_OP_PRIM_DEVTYPE_TV`` @@ -234,7 +237,7 @@ by a file handle in initiator mode (see - Use for a TV. - - .. row 2 + - .. _`CEC_OP_PRIM_DEVTYPE_RECORD`: - ``CEC_OP_PRIM_DEVTYPE_RECORD`` @@ -242,7 +245,7 @@ by a file handle in initiator mode (see - Use for a recording device. - - .. row 3 + - .. _`CEC_OP_PRIM_DEVTYPE_TUNER`: - ``CEC_OP_PRIM_DEVTYPE_TUNER`` @@ -250,7 +253,7 @@ by a file handle in initiator mode (see - Use for a device with a tuner. - - .. row 4 + - .. _`CEC_OP_PRIM_DEVTYPE_PLAYBACK`: - ``CEC_OP_PRIM_DEVTYPE_PLAYBACK`` @@ -258,7 +261,7 @@ by a file handle in initiator mode (see - Use for a playback device. - - .. row 5 + - .. _`CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM`: - ``CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM`` @@ -266,7 +269,7 @@ by a file handle in initiator mode (see - Use for an audio system (e.g. an audio/video receiver). - - .. row 6 + - .. _`CEC_OP_PRIM_DEVTYPE_SWITCH`: - ``CEC_OP_PRIM_DEVTYPE_SWITCH`` @@ -274,7 +277,7 @@ by a file handle in initiator mode (see - Use for a CEC switch. - - .. row 7 + - .. _`CEC_OP_PRIM_DEVTYPE_VIDEOPROC`: - ``CEC_OP_PRIM_DEVTYPE_VIDEOPROC`` @@ -292,7 +295,7 @@ by a file handle in initiator mode (see :widths: 3 1 4 - - .. row 1 + - .. _`CEC_LOG_ADDR_TYPE_TV`: - ``CEC_LOG_ADDR_TYPE_TV`` @@ -300,7 +303,7 @@ by a file handle in initiator mode (see - Use for a TV. - - .. row 2 + - .. _`CEC_LOG_ADDR_TYPE_RECORD`: - ``CEC_LOG_ADDR_TYPE_RECORD`` @@ -308,7 +311,7 @@ by a file handle in initiator mode (see - Use for a recording device. - - .. row 3 + - .. _`CEC_LOG_ADDR_TYPE_TUNER`: - ``CEC_LOG_ADDR_TYPE_TUNER`` @@ -316,7 +319,7 @@ by a file handle in initiator mode (see - Use for a tuner device. - - .. row 4 + - .. _`CEC_LOG_ADDR_TYPE_PLAYBACK`: - ``CEC_LOG_ADDR_TYPE_PLAYBACK`` @@ -324,7 +327,7 @@ by a file handle in initiator mode (see - Use for a playback device. - - .. row 5 + - .. _`CEC_LOG_ADDR_TYPE_AUDIOSYSTEM`: - ``CEC_LOG_ADDR_TYPE_AUDIOSYSTEM`` @@ -332,7 +335,7 @@ by a file handle in initiator mode (see - Use for an audio system device. - - .. row 6 + - .. _`CEC_LOG_ADDR_TYPE_SPECIFIC`: - ``CEC_LOG_ADDR_TYPE_SPECIFIC`` @@ -340,7 +343,7 @@ by a file handle in initiator mode (see - Use for a second TV or for a video processor device. - - .. row 7 + - .. _`CEC_LOG_ADDR_TYPE_UNREGISTERED`: - ``CEC_LOG_ADDR_TYPE_UNREGISTERED`` @@ -360,7 +363,7 @@ by a file handle in initiator mode (see :widths: 3 1 4 - - .. row 1 + - .. _`CEC_OP_ALL_DEVTYPE_TV`: - ``CEC_OP_ALL_DEVTYPE_TV`` @@ -368,7 +371,7 @@ by a file handle in initiator mode (see - This supports the TV type. - - .. row 2 + - .. _`CEC_OP_ALL_DEVTYPE_RECORD`: - ``CEC_OP_ALL_DEVTYPE_RECORD`` @@ -376,7 +379,7 @@ by a file handle in initiator mode (see - This supports the Recording type. - - .. row 3 + - .. _`CEC_OP_ALL_DEVTYPE_TUNER`: - ``CEC_OP_ALL_DEVTYPE_TUNER`` @@ -384,7 +387,7 @@ by a file handle in initiator mode (see - This supports the Tuner type. - - .. row 4 + - .. _`CEC_OP_ALL_DEVTYPE_PLAYBACK`: - ``CEC_OP_ALL_DEVTYPE_PLAYBACK`` @@ -392,7 +395,7 @@ by a file handle in initiator mode (see - This supports the Playback type. - - .. row 5 + - .. _`CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM`: - ``CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM`` @@ -400,7 +403,7 @@ by a file handle in initiator mode (see - This supports the Audio System type. - - .. row 6 + - .. _`CEC_OP_ALL_DEVTYPE_SWITCH`: - ``CEC_OP_ALL_DEVTYPE_SWITCH`` @@ -417,11 +420,3 @@ 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. - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst index e6a34d9afd13..40e0baaa1630 100644 --- a/Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst +++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-phys-addr.rst @@ -1,21 +1,23 @@ .. -*- coding: utf-8; mode: rst -*- -.. _cec-ioc-adap-g-phys-addr: +.. _CEC_ADAP_PHYS_ADDR: +.. _CEC_ADAP_G_PHYS_ADDR: +.. _CEC_ADAP_S_PHYS_ADDR: ************************************************ ioctl CEC_ADAP_G_PHYS_ADDR, CEC_ADAP_S_PHYS_ADDR ************************************************ -*man CEC_ADAP_G_PHYS_ADDR(2)* +Name +==== -CEC_ADAP_S_PHYS_ADDR -Get or set the physical address +CEC_ADAP_G_PHYS_ADDR, CEC_ADAP_S_PHYS_ADDR - Get or set the physical address Synopsis ======== -.. c:function:: int ioctl( int fd, int request, __u16 *argp ) +.. cpp:function:: int ioctl( int fd, int request, __u16 *argp ) Arguments ========= @@ -36,15 +38,15 @@ Note: this documents the proposed CEC API. This API is not yet finalized and is currently only available as a staging kernel module. To query the current physical address applications call the -``CEC_ADAP_G_PHYS_ADDR`` ioctl with a pointer to an __u16 where the +:ref:`CEC_ADAP_G_PHYS_ADDR` ioctl with a pointer to an __u16 where the driver stores the physical address. To set a new physical address applications store the physical address in -an __u16 and call the ``CEC_ADAP_S_PHYS_ADDR`` ioctl with a pointer to -this integer. ``CEC_ADAP_S_PHYS_ADDR`` is only available if +an __u16 and call the :ref:`CEC_ADAP_S_PHYS_ADDR` ioctl with a pointer to +this integer. :ref:`CEC_ADAP_S_PHYS_ADDR` is only available if ``CEC_CAP_PHYS_ADDR`` is set (ENOTTY error code will be returned -otherwise). ``CEC_ADAP_S_PHYS_ADDR`` can only be called by a file handle -in initiator mode (see :ref:`CEC_S_MODE <cec-ioc-g-mode>`), if not +otherwise). :ref:`CEC_ADAP_S_PHYS_ADDR` can only be called by a file handle +in initiator mode (see :ref:`CEC_S_MODE`), if not EBUSY error code will be returned. The physical address is a 16-bit number where each group of 4 bits @@ -67,12 +69,3 @@ 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. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst index 832627bb0a90..79f779a9bd6c 100644 --- a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst +++ b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst @@ -1,20 +1,21 @@ .. -*- coding: utf-8; mode: rst -*- -.. _cec-ioc-g-event: +.. _CEC_DQEVENT: ***************** ioctl CEC_DQEVENT ***************** -*man CEC_DQEVENT(2)* +Name +==== -Dequeue a CEC event +CEC_DQEVENT - Dequeue a CEC event Synopsis ======== -.. c:function:: int ioctl( int fd, int request, struct cec_event *argp ) +.. cpp:function:: int ioctl( int fd, int request, struct cec_event *argp ) Arguments ========= @@ -35,7 +36,7 @@ Note: this documents the proposed CEC API. This API is not yet finalized and is currently only available as a staging kernel module. CEC devices can send asynchronous events. These can be retrieved by -calling the ``CEC_DQEVENT`` ioctl. If the file descriptor is in +calling the :ref:`CEC_DQEVENT` ioctl. If the file descriptor is in non-blocking mode and no event is pending, then it will return -1 and set errno to the EAGAIN error code. @@ -155,7 +156,7 @@ state did change in between the two events. - ``state_change`` - - The new adapter state as sent by the ``CEC_EVENT_STATE_CHANGE`` + - The new adapter state as sent by the :ref:`CEC_EVENT_STATE_CHANGE <CEC_EVENT_STATE_CHANGE>` event. - .. row 6 @@ -165,7 +166,7 @@ state did change in between the two events. - ``lost_msgs`` - - The number of lost messages as sent by the ``CEC_EVENT_LOST_MSGS`` + - The number of lost messages as sent by the :ref:`CEC_EVENT_LOST_MSGS <CEC_EVENT_LOST_MSGS>` event. @@ -178,7 +179,7 @@ state did change in between the two events. :widths: 3 1 4 - - .. row 1 + - .. _CEC_EVENT_STATE_CHANGE: - ``CEC_EVENT_STATE_CHANGE`` @@ -188,7 +189,7 @@ state did change in between the two events. called an initial event will be generated for that filehandle with the CEC Adapter's state at that time. - - .. row 2 + - .. _CEC_EVENT_LOST_MSGS: - ``CEC_EVENT_LOST_MSGS`` @@ -207,7 +208,7 @@ state did change in between the two events. :widths: 3 1 4 - - .. row 1 + - .. _CEC_EVENT_FL_INITIAL_VALUE: - ``CEC_EVENT_FL_INITIAL_VALUE`` @@ -226,12 +227,3 @@ 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. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-ioc-g-mode.rst b/Documentation/media/uapi/cec/cec-ioc-g-mode.rst index f38c28755d8f..c92f0be46907 100644 --- a/Documentation/media/uapi/cec/cec-ioc-g-mode.rst +++ b/Documentation/media/uapi/cec/cec-ioc-g-mode.rst @@ -1,21 +1,19 @@ .. -*- coding: utf-8; mode: rst -*- -.. _cec-ioc-g-mode: +.. _CEC_MODE: +.. _CEC_G_MODE: +.. _CEC_S_MODE: **************************** ioctl CEC_G_MODE, CEC_S_MODE **************************** -*man CEC_G_MODE(2)* - -CEC_S_MODE -Get or set exclusive use of the CEC adapter - +CEC_G_MODE, CEC_S_MODE - Get or set exclusive use of the CEC adapter Synopsis ======== -.. c:function:: int ioctl( int fd, int request, __u32 *argp ) +.. cpp:function:: int ioctl( int fd, int request, __u32 *argp ) Arguments ========= @@ -36,8 +34,8 @@ Note: this documents the proposed CEC API. This API is not yet finalized and is currently only available as a staging kernel module. By default any filehandle can use -:ref:`CEC_TRANSMIT <cec-ioc-receive>` and -:ref:`CEC_RECEIVE <cec-ioc-receive>`, but in order to prevent +:ref:`CEC_TRANSMIT` and +:ref:`CEC_RECEIVE`, but in order to prevent applications from stepping on each others toes it must be possible to obtain exclusive access to the CEC adapter. This ioctl sets the filehandle to initiator and/or follower mode which can be exclusive @@ -56,7 +54,7 @@ If the message is not a reply, then the CEC framework will process it first. If there is no follower, then the message is just discarded and a feature abort is sent back to the initiator if the framework couldn't process it. If there is a follower, then the message is passed on to the -follower who will use :ref:`CEC_RECEIVE <cec-ioc-receive>` to dequeue +follower who will use :ref:`CEC_RECEIVE` to dequeue the new message. The framework expects the follower to make the right decisions. @@ -68,10 +66,10 @@ There are some messages that the core will always process, regardless of the passthrough mode. See :ref:`cec-core-processing` for details. If there is no initiator, then any CEC filehandle can use -:ref:`CEC_TRANSMIT <cec-ioc-receive>`. If there is an exclusive +:ref:`CEC_TRANSMIT`. If there is an exclusive initiator then only that initiator can call -:ref:`CEC_TRANSMIT <cec-ioc-receive>`. The follower can of course -always call :ref:`CEC_TRANSMIT <cec-ioc-receive>`. +:ref:`CEC_TRANSMIT`. The follower can of course +always call :ref:`CEC_TRANSMIT`. Available initiator modes are: @@ -84,7 +82,7 @@ Available initiator modes are: :widths: 3 1 4 - - .. row 1 + - .. _`CEC_MODE_NO_INITIATOR`: - ``CEC_MODE_NO_INITIATOR`` @@ -93,7 +91,7 @@ Available initiator modes are: - This is not an initiator, i.e. it cannot transmit CEC messages or make any other changes to the CEC adapter. - - .. row 2 + - .. _`CEC_MODE_INITIATOR`: - ``CEC_MODE_INITIATOR`` @@ -103,7 +101,7 @@ Available initiator modes are: it can transmit CEC messages and make changes to the CEC adapter, unless there is an exclusive initiator. - - .. row 3 + - .. _`CEC_MODE_EXCL_INITIATOR`: - ``CEC_MODE_EXCL_INITIATOR`` @@ -127,7 +125,7 @@ Available follower modes are: :widths: 3 1 4 - - .. row 1 + - .. _`CEC_MODE_NO_FOLLOWER`: - ``CEC_MODE_NO_FOLLOWER`` @@ -135,7 +133,7 @@ Available follower modes are: - This is not a follower (the default when the device is opened). - - .. row 2 + - .. _`CEC_MODE_FOLLOWER`: - ``CEC_MODE_FOLLOWER`` @@ -143,10 +141,10 @@ Available follower modes are: - This is a follower and it will receive CEC messages unless there is an exclusive follower. You cannot become a follower if - ``CEC_CAP_TRANSMIT`` is not set or if ``CEC_MODE_NO_INITIATOR`` + :ref:`CEC_CAP_TRANSMIT <CEC_CAP_TRANSMIT>` is not set or if :ref:`CEC_MODE_NO_INITIATOR <CEC_MODE_NO_INITIATOR>` was specified, EINVAL error code is returned in that case. - - .. row 3 + - .. _`CEC_MODE_EXCL_FOLLOWER`: - ``CEC_MODE_EXCL_FOLLOWER`` @@ -156,10 +154,10 @@ Available follower modes are: receive CEC messages for processing. If someone else is already the exclusive follower then an attempt to become one will return the EBUSY error code error. You cannot become a follower if - ``CEC_CAP_TRANSMIT`` is not set or if ``CEC_MODE_NO_INITIATOR`` + :ref:`CEC_CAP_TRANSMIT <CEC_CAP_TRANSMIT>` is not set or if :ref:`CEC_MODE_NO_INITIATOR <CEC_MODE_NO_INITIATOR>` was specified, EINVAL error code is returned in that case. - - .. row 4 + - .. _`CEC_MODE_EXCL_FOLLOWER_PASSTHRU`: - ``CEC_MODE_EXCL_FOLLOWER_PASSTHRU`` @@ -171,18 +169,18 @@ Available follower modes are: to handle most core messages instead of relying on the CEC framework for that. If someone else is already the exclusive follower then an attempt to become one will return the EBUSY error - code error. You cannot become a follower if ``CEC_CAP_TRANSMIT`` - is not set or if ``CEC_MODE_NO_INITIATOR`` was specified, EINVAL + code error. You cannot become a follower if :ref:`CEC_CAP_TRANSMIT <CEC_CAP_TRANSMIT>` + is not set or if :ref:`CEC_MODE_NO_INITIATOR <CEC_MODE_NO_INITIATOR>` was specified, EINVAL error code is returned in that case. - - .. row 5 + - .. _`CEC_MODE_MONITOR`: - ``CEC_MODE_MONITOR`` - 0xe0 - Put the file descriptor into monitor mode. Can only be used in - combination with ``CEC_MODE_NO_INITIATOR``, otherwise EINVAL error + combination with :ref:`CEC_MODE_NO_INITIATOR <CEC_MODE_NO_INITIATOR>`, otherwise EINVAL error code will be returned. In monitor mode all messages this CEC device transmits and all messages it receives (both broadcast messages and directed messages for one its logical addresses) will @@ -190,19 +188,19 @@ Available follower modes are: allowed if the process has the ``CAP_NET_ADMIN`` capability. If that is not set, then EPERM error code is returned. - - .. row 6 + - .. _`CEC_MODE_MONITOR_ALL`: - ``CEC_MODE_MONITOR_ALL`` - 0xf0 - Put the file descriptor into 'monitor all' mode. Can only be used - in combination with ``CEC_MODE_NO_INITIATOR``, otherwise EINVAL + in combination with :ref:`CEC_MODE_NO_INITIATOR <CEC_MODE_NO_INITIATOR>`, otherwise EINVAL error code will be returned. In 'monitor all' mode all messages this CEC device transmits and all messages it receives, including directed messages for other CEC devices will be reported. This is very useful for debugging, but not all devices support this. This - mode requires that the ``CEC_CAP_MONITOR_ALL`` capability is set, + mode requires that the :ref:`CEC_CAP_MONITOR_ALL <CEC_CAP_MONITOR_ALL>` capability is set, otherwise EINVAL error code is returned. This is only allowed if the process has the ``CAP_NET_ADMIN`` capability. If that is not set, then EPERM error code is returned. @@ -218,25 +216,25 @@ Core message processing details: :stub-columns: 0 - - .. row 1 + - .. _`CEC_MSG_GET_CEC_VERSION`: - ``CEC_MSG_GET_CEC_VERSION`` - When in passthrough mode this message has to be handled by userspace, otherwise the core will return the CEC version that was set with - :ref:`CEC_ADAP_S_LOG_ADDRS <cec-ioc-adap-g-log-addrs>`. + :ref:`CEC_ADAP_S_LOG_ADDRS`. - - .. row 2 + - .. _`CEC_MSG_GIVE_DEVICE_VENDOR_ID`: - ``CEC_MSG_GIVE_DEVICE_VENDOR_ID`` - When in passthrough mode this message has to be handled by userspace, otherwise the core will return the vendor ID that was set with - :ref:`CEC_ADAP_S_LOG_ADDRS <cec-ioc-adap-g-log-addrs>`. + :ref:`CEC_ADAP_S_LOG_ADDRS`. - - .. row 3 + - .. _`CEC_MSG_ABORT`: - ``CEC_MSG_ABORT`` @@ -244,7 +242,7 @@ Core message processing details: userspace, otherwise the core will return a feature refused message as per the specification. - - .. row 4 + - .. _`CEC_MSG_GIVE_PHYSICAL_ADDR`: - ``CEC_MSG_GIVE_PHYSICAL_ADDR`` @@ -252,40 +250,40 @@ Core message processing details: userspace, otherwise the core will report the current physical address. - - .. row 5 + - .. _`CEC_MSG_GIVE_OSD_NAME`: - ``CEC_MSG_GIVE_OSD_NAME`` - When in passthrough mode this message has to be handled by userspace, otherwise the core will report the current OSD name as was set with - :ref:`CEC_ADAP_S_LOG_ADDRS <cec-ioc-adap-g-log-addrs>`. + :ref:`CEC_ADAP_S_LOG_ADDRS`. - - .. row 6 + - .. _`CEC_MSG_GIVE_FEATURES`: - ``CEC_MSG_GIVE_FEATURES`` - When in passthrough mode this message has to be handled by userspace, otherwise the core will report the current features as was set with - :ref:`CEC_ADAP_S_LOG_ADDRS <cec-ioc-adap-g-log-addrs>` or + :ref:`CEC_ADAP_S_LOG_ADDRS` or the message is ignore if the CEC version was older than 2.0. - - .. row 7 + - .. _`CEC_MSG_USER_CONTROL_PRESSED`: - ``CEC_MSG_USER_CONTROL_PRESSED`` - - If ``CEC_CAP_RC`` is set, then generate a remote control key + - If :ref:`CEC_CAP_RC <CEC_CAP_RC>` is set, then generate a remote control key press. This message is always passed on to userspace. - - .. row 8 + - .. _`CEC_MSG_USER_CONTROL_RELEASED`: - ``CEC_MSG_USER_CONTROL_RELEASED`` - - If ``CEC_CAP_RC`` is set, then generate a remote control key + - If :ref:`CEC_CAP_RC <CEC_CAP_RC>` is set, then generate a remote control key release. This message is always passed on to userspace. - - .. row 9 + - .. _`CEC_MSG_REPORT_PHYSICAL_ADDR`: - ``CEC_MSG_REPORT_PHYSICAL_ADDR`` @@ -300,12 +298,3 @@ 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. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ diff --git a/Documentation/media/uapi/cec/cec-ioc-receive.rst b/Documentation/media/uapi/cec/cec-ioc-receive.rst index 5b303a1e6691..5a345ff446a7 100644 --- a/Documentation/media/uapi/cec/cec-ioc-receive.rst +++ b/Documentation/media/uapi/cec/cec-ioc-receive.rst @@ -1,21 +1,22 @@ .. -*- coding: utf-8; mode: rst -*- -.. _cec-ioc-receive: +.. _CEC_TRANSMIT: +.. _CEC_RECEIVE: ******************************* ioctl CEC_RECEIVE, CEC_TRANSMIT ******************************* -*man CEC_RECEIVE(2)* +Name +==== -CEC_TRANSMIT -Receive or transmit a CEC message +CEC_RECEIVE, CEC_TRANSMIT - Receive or transmit a CEC message Synopsis ======== -.. c:function:: int ioctl( int fd, int request, struct cec_msg *argp ) +.. cpp:function:: int ioctl( int fd, int request, struct cec_msg *argp ) Arguments ========= @@ -36,8 +37,8 @@ Note: this documents the proposed CEC API. This API is not yet finalized and is currently only available as a staging kernel module. To receive a CEC message the application has to fill in the -:c:type:`struct cec_msg` structure and pass it to the ``CEC_RECEIVE`` -ioctl. ``CEC_RECEIVE`` is only available if ``CEC_CAP_RECEIVE`` is set. +:c:type:`struct cec_msg` structure and pass it to the :ref:`CEC_RECEIVE` +ioctl. :ref:`CEC_RECEIVE` is only available if ``CEC_CAP_RECEIVE`` is set. If the file descriptor is in non-blocking mode and there are no received messages pending, then it will return -1 and set errno to the EAGAIN error code. If the file descriptor is in blocking mode and ``timeout`` @@ -46,7 +47,7 @@ it will return -1 and set errno to the ETIMEDOUT error code. To send a CEC message the application has to fill in the :c:type:`struct cec_msg` structure and pass it to the -``CEC_TRANSMIT`` ioctl. ``CEC_TRANSMIT`` is only available if +:ref:`CEC_TRANSMIT` ioctl. :ref:`CEC_TRANSMIT` is only available if ``CEC_CAP_TRANSMIT`` is set. If there is no more room in the transmit queue, then it will return -1 and set errno to the EBUSY error code. @@ -66,7 +67,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - ``ts`` - Timestamp of when the message was transmitted in ns in the case of - ``CEC_TRANSMIT`` with ``reply`` set to 0, or the timestamp of the + :ref:`CEC_TRANSMIT` with ``reply`` set to 0, or the timestamp of the received message in all other cases. - .. row 2 @@ -75,9 +76,9 @@ queue, then it will return -1 and set errno to the EBUSY error code. - ``len`` - - The length of the message. For ``CEC_TRANSMIT`` this is filled in + - The length of the message. For :ref:`CEC_TRANSMIT` this is filled in by the application. The driver will fill this in for - ``CEC_RECEIVE`` and for ``CEC_TRANSMIT`` it will be filled in with + :ref:`CEC_RECEIVE` and for :ref:`CEC_TRANSMIT` it will be filled in with the length of the reply message if ``reply`` was set. - .. row 3 @@ -89,7 +90,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - The timeout in milliseconds. This is the time the device will wait for a message to be received before timing out. If it is set to 0, then it will wait indefinitely when it is called by - ``CEC_RECEIVE``. If it is 0 and it is called by ``CEC_TRANSMIT``, + :ref:`CEC_RECEIVE`. If it is 0 and it is called by :ref:`CEC_TRANSMIT`, then it will be replaced by 1000 if the ``reply`` is non-zero or ignored if ``reply`` is 0. @@ -140,9 +141,9 @@ queue, then it will return -1 and set errno to the EBUSY error code. - ``msg``\ [16] - - The message payload. For ``CEC_TRANSMIT`` this is filled in by the - application. The driver will fill this in for ``CEC_RECEIVE`` and - for ``CEC_TRANSMIT`` it will be filled in with the payload of the + - The message payload. For :ref:`CEC_TRANSMIT` this is filled in by the + application. The driver will fill this in for :ref:`CEC_RECEIVE` and + for :ref:`CEC_TRANSMIT` it will be filled in with the payload of the reply message if ``reply`` was set. - .. row 9 @@ -155,12 +156,12 @@ queue, then it will return -1 and set errno to the EBUSY error code. ``timeout`` is 0, then don't wait for a reply but return after transmitting the message. If there was an error as indicated by a non-zero ``tx_status`` field, then ``reply`` and ``timeout`` are - both set to 0 by the driver. Ignored by ``CEC_RECEIVE``. The case + both set to 0 by the driver. Ignored by :ref:`CEC_RECEIVE`. The case where ``reply`` is 0 (this is the opcode for the Feature Abort message) and ``timeout`` is non-zero is specifically allowed to send a message and wait up to ``timeout`` milliseconds for a Feature Abort reply. In this case ``rx_status`` will either be set - to ``CEC_RX_STATUS_TIMEOUT`` or ``CEC_RX_STATUS_FEATURE_ABORT``. + to :ref:`CEC_RX_STATUS_TIMEOUT <CEC_RX_STATUS_TIMEOUT>` or :ref:`CEC_RX_STATUS_FEATURE_ABORT <CEC_RX_STATUS_FEATURE_ABORT>`. - .. row 10 @@ -171,7 +172,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - A counter of the number of transmit attempts that resulted in the Arbitration Lost error. This is only set if the hardware supports this, otherwise it is always 0. This counter is only valid if the - ``CEC_TX_STATUS_ARB_LOST`` status bit is set. + :ref:`CEC_TX_STATUS_ARB_LOST <CEC_TX_STATUS_ARB_LOST>` status bit is set. - .. row 11 @@ -182,7 +183,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - A counter of the number of transmit attempts that resulted in the Not Acknowledged error. This is only set if the hardware supports this, otherwise it is always 0. This counter is only valid if the - ``CEC_TX_STATUS_NACK`` status bit is set. + :ref:`CEC_TX_STATUS_NACK <CEC_TX_STATUS_NACK>` status bit is set. - .. row 12 @@ -193,7 +194,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - A counter of the number of transmit attempts that resulted in the Arbitration Lost error. This is only set if the hardware supports this, otherwise it is always 0. This counter is only valid if the - ``CEC_TX_STATUS_LOW_DRIVE`` status bit is set. + :ref:`CEC_TX_STATUS_LOW_DRIVE <CEC_TX_STATUS_LOW_DRIVE>` status bit is set. - .. row 13 @@ -204,7 +205,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - A counter of the number of transmit errors other than Arbitration Lost or Not Acknowledged. This is only set if the hardware supports this, otherwise it is always 0. This counter is only - valid if the ``CEC_TX_STATUS_ERROR`` status bit is set. + valid if the :ref:`CEC_TX_STATUS_ERROR <CEC_TX_STATUS_ERROR>` status bit is set. @@ -216,18 +217,18 @@ queue, then it will return -1 and set errno to the EBUSY error code. :widths: 3 1 4 - - .. row 1 + - .. _`CEC_TX_STATUS_OK`: - ``CEC_TX_STATUS_OK`` - 0x01 - The message was transmitted successfully. This is mutually - exclusive with ``CEC_TX_STATUS_MAX_RETRIES``. Other bits can still + exclusive with :ref:`CEC_TX_STATUS_MAX_RETRIES <CEC_TX_STATUS_MAX_RETRIES>`. Other bits can still be set if earlier attempts met with failure before the transmit was eventually successful. - - .. row 2 + - .. _`CEC_TX_STATUS_ARB_LOST`: - ``CEC_TX_STATUS_ARB_LOST`` @@ -235,7 +236,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - CEC line arbitration was lost. - - .. row 3 + - .. _`CEC_TX_STATUS_NACK`: - ``CEC_TX_STATUS_NACK`` @@ -243,7 +244,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - Message was not acknowledged. - - .. row 4 + - .. _`CEC_TX_STATUS_LOW_DRIVE`: - ``CEC_TX_STATUS_LOW_DRIVE`` @@ -253,7 +254,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. follower detected an error on the bus and requests a retransmission. - - .. row 5 + - .. _`CEC_TX_STATUS_ERROR`: - ``CEC_TX_STATUS_ERROR`` @@ -264,14 +265,14 @@ queue, then it will return -1 and set errno to the EBUSY error code. error occurred, or because the hardware tested for other conditions besides those two. - - .. row 6 + - .. _`CEC_TX_STATUS_MAX_RETRIES`: - ``CEC_TX_STATUS_MAX_RETRIES`` - 0x20 - The transmit failed after one or more retries. This status bit is - mutually exclusive with ``CEC_TX_STATUS_OK``. Other bits can still + mutually exclusive with :ref:`CEC_TX_STATUS_OK <CEC_TX_STATUS_OK>`. Other bits can still be set to explain which failures were seen. @@ -284,7 +285,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. :widths: 3 1 4 - - .. row 1 + - .. _`CEC_RX_STATUS_OK`: - ``CEC_RX_STATUS_OK`` @@ -292,7 +293,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - The message was received successfully. - - .. row 2 + - .. _CEC_RX_STATUS_TIMEOUT: - ``CEC_RX_STATUS_TIMEOUT`` @@ -300,7 +301,7 @@ queue, then it will return -1 and set errno to the EBUSY error code. - The reply to an earlier transmitted message timed out. - - .. row 3 + - .. _`CEC_RX_STATUS_FEATURE_ABORT`: - ``CEC_RX_STATUS_FEATURE_ABORT`` @@ -318,12 +319,3 @@ 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. - - -.. ------------------------------------------------------------------------------ -.. This file was automatically converted from DocBook-XML with the dbxml -.. library (https://github.com/return42/sphkerneldoc). The origin XML comes -.. from the linux kernel, refer to: -.. -.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook -.. ------------------------------------------------------------------------------ |