tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
media: lirc: lirc mode ioctls deal with current mode
The ioctl change the current mode or return the current mode; they
do not tell you which modes are possible (use the lirc features
ioctl for that).
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
authored by
Sean Young
and committed by
Mauro Carvalho Chehab
e3cd9734
02d742f4
+62
-18
+32
-10
Documentation/media/uapi/rc/lirc-get-rec-mode.rst
+32
-10
Documentation/media/uapi/rc/lirc-get-rec-mode.rst
···
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Name
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====
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LIRC_GET_REC_MODE/LIRC_SET_REC_MODE - Get/set supported receive modes.
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LIRC_GET_REC_MODE/LIRC_SET_REC_MODE - Get/set current receive mode.
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Synopsis
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========
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.. c:function:: int ioctl( int fd, LIRC_GET_REC_MODE, __u32 rx_modes)
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.. c:function:: int ioctl( int fd, LIRC_GET_REC_MODE, __u32 *mode)
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:name: LIRC_GET_REC_MODE
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.. c:function:: int ioctl( int fd, LIRC_SET_REC_MODE, __u32 rx_modes)
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.. c:function:: int ioctl( int fd, LIRC_SET_REC_MODE, __u32 *mode)
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:name: LIRC_SET_REC_MODE
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Arguments
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``fd``
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File descriptor returned by open().
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``rx_modes``
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Bitmask with the supported transmit modes.
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``mode``
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Mode used for receive.
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Description
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===========
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Get/set supported receive modes. Only :ref:`LIRC_MODE_MODE2 <lirc-mode-mode2>`
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and :ref:`LIRC_MODE_SCANCODE <lirc-mode-scancode>` are supported.
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Get and set the current receive mode. Only
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:ref:`LIRC_MODE_MODE2 <lirc-mode-mode2>` and
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:ref:`LIRC_MODE_SCANCODE <lirc-mode-scancode>` are supported.
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Use :ref:`lirc_get_features` to find out which modes the driver supports.
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Return Value
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============
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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- .. row 1
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- ``ENODEV``
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- Device not available.
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- .. row 2
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- ``ENOTTY``
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- Device does not support receiving.
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- .. row 3
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- ``EINVAL``
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- Invalid mode or invalid mode for this device.
+30
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Documentation/media/uapi/rc/lirc-get-send-mode.rst
+30
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Documentation/media/uapi/rc/lirc-get-send-mode.rst
···
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Name
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====
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LIRC_GET_SEND_MODE/LIRC_SET_SEND_MODE - Get/set supported transmit mode.
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LIRC_GET_SEND_MODE/LIRC_SET_SEND_MODE - Get/set current transmit mode.
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Synopsis
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========
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.. c:function:: int ioctl( int fd, LIRC_GET_SEND_MODE, __u32 *tx_modes )
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.. c:function:: int ioctl( int fd, LIRC_GET_SEND_MODE, __u32 *mode )
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:name: LIRC_GET_SEND_MODE
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.. c:function:: int ioctl( int fd, LIRC_SET_SEND_MODE, __u32 *tx_modes )
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.. c:function:: int ioctl( int fd, LIRC_SET_SEND_MODE, __u32 *mode )
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:name: LIRC_SET_SEND_MODE
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Arguments
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``fd``
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File descriptor returned by open().
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``tx_modes``
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Bitmask with the supported transmit modes.
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``mode``
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The mode used for transmitting.
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Description
···
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Return Value
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============
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On success 0 is returned, on error -1 and the ``errno`` variable is set
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appropriately. The generic error codes are described at the
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:ref:`Generic Error Codes <gen-errors>` chapter.
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.. tabularcolumns:: |p{2.5cm}|p{15.0cm}|
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.. flat-table::
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:header-rows: 0
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:stub-columns: 0
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- .. row 1
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- ``ENODEV``
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- Device not available.
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- .. row 2
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- ``ENOTTY``
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- Device does not support transmitting.
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- .. row 3
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- ``EINVAL``
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- Invalid mode or invalid mode for this device.