1*ac7f9d02SMauro Carvalho Chehab.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later 25f536f4aSMauro Carvalho Chehab.. c:namespace:: RC 354f38fcaSMauro Carvalho Chehab 454f38fcaSMauro Carvalho Chehab.. _lirc_set_transmitter_mask: 554f38fcaSMauro Carvalho Chehab 654f38fcaSMauro Carvalho Chehab******************************* 754f38fcaSMauro Carvalho Chehabioctl LIRC_SET_TRANSMITTER_MASK 854f38fcaSMauro Carvalho Chehab******************************* 954f38fcaSMauro Carvalho Chehab 1054f38fcaSMauro Carvalho ChehabName 1154f38fcaSMauro Carvalho Chehab==== 1254f38fcaSMauro Carvalho Chehab 1354f38fcaSMauro Carvalho ChehabLIRC_SET_TRANSMITTER_MASK - Enables send codes on a given set of transmitters 1454f38fcaSMauro Carvalho Chehab 1554f38fcaSMauro Carvalho ChehabSynopsis 1654f38fcaSMauro Carvalho Chehab======== 1754f38fcaSMauro Carvalho Chehab 185f536f4aSMauro Carvalho Chehab.. c:macro:: LIRC_SET_TRANSMITTER_MASK 195f536f4aSMauro Carvalho Chehab 205f536f4aSMauro Carvalho Chehab``int ioctl(int fd, LIRC_SET_TRANSMITTER_MASK, __u32 *mask)`` 2154f38fcaSMauro Carvalho Chehab 2254f38fcaSMauro Carvalho ChehabArguments 2354f38fcaSMauro Carvalho Chehab========= 2454f38fcaSMauro Carvalho Chehab 2554f38fcaSMauro Carvalho Chehab``fd`` 2654f38fcaSMauro Carvalho Chehab File descriptor returned by open(). 2754f38fcaSMauro Carvalho Chehab 2854f38fcaSMauro Carvalho Chehab``mask`` 2954f38fcaSMauro Carvalho Chehab Mask with channels to enable tx. Channel 0 is the least significant bit. 3054f38fcaSMauro Carvalho Chehab 3154f38fcaSMauro Carvalho ChehabDescription 3254f38fcaSMauro Carvalho Chehab=========== 3354f38fcaSMauro Carvalho Chehab 3454f38fcaSMauro Carvalho ChehabSome IR TX devices have multiple output channels, in such case, 3554f38fcaSMauro Carvalho Chehab:ref:`LIRC_CAN_SET_TRANSMITTER_MASK <LIRC-CAN-SET-TRANSMITTER-MASK>` is 3654f38fcaSMauro Carvalho Chehabreturned via :ref:`LIRC_GET_FEATURES` and this ioctl sets what channels will 3754f38fcaSMauro Carvalho Chehabsend IR codes. 3854f38fcaSMauro Carvalho Chehab 3954f38fcaSMauro Carvalho ChehabThis ioctl enables the given set of transmitters. The first transmitter is 4054f38fcaSMauro Carvalho Chehabencoded by the least significant bit and so on. 4154f38fcaSMauro Carvalho Chehab 4254f38fcaSMauro Carvalho ChehabWhen an invalid bit mask is given, i.e. a bit is set, even though the device 4354f38fcaSMauro Carvalho Chehabdoes not have so many transitters, then this ioctl returns the number of 4454f38fcaSMauro Carvalho Chehabavailable transitters and does nothing otherwise. 4554f38fcaSMauro Carvalho Chehab 4654f38fcaSMauro Carvalho ChehabReturn Value 4754f38fcaSMauro Carvalho Chehab============ 4854f38fcaSMauro Carvalho Chehab 4954f38fcaSMauro Carvalho ChehabOn success 0 is returned, on error -1 and the ``errno`` variable is set 5054f38fcaSMauro Carvalho Chehabappropriately. The generic error codes are described at the 5154f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 52