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_get_features: 554f38fcaSMauro Carvalho Chehab 654f38fcaSMauro Carvalho Chehab*********************** 754f38fcaSMauro Carvalho Chehabioctl LIRC_GET_FEATURES 854f38fcaSMauro Carvalho Chehab*********************** 954f38fcaSMauro Carvalho Chehab 1054f38fcaSMauro Carvalho ChehabName 1154f38fcaSMauro Carvalho Chehab==== 1254f38fcaSMauro Carvalho Chehab 1354f38fcaSMauro Carvalho ChehabLIRC_GET_FEATURES - Get the underlying hardware device's features 1454f38fcaSMauro Carvalho Chehab 1554f38fcaSMauro Carvalho ChehabSynopsis 1654f38fcaSMauro Carvalho Chehab======== 1754f38fcaSMauro Carvalho Chehab 185f536f4aSMauro Carvalho Chehab.. c:macro:: LIRC_GET_FEATURES 195f536f4aSMauro Carvalho Chehab 205f536f4aSMauro Carvalho Chehab``int ioctl(int fd, LIRC_GET_FEATURES, __u32 *features)`` 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``features`` 2954f38fcaSMauro Carvalho Chehab Bitmask with the LIRC features. 3054f38fcaSMauro Carvalho Chehab 3154f38fcaSMauro Carvalho ChehabDescription 3254f38fcaSMauro Carvalho Chehab=========== 3354f38fcaSMauro Carvalho Chehab 3454f38fcaSMauro Carvalho ChehabGet the underlying hardware device's features. If a driver does not 3554f38fcaSMauro Carvalho Chehabannounce support of certain features, calling of the corresponding ioctls 3654f38fcaSMauro Carvalho Chehabis undefined. 3754f38fcaSMauro Carvalho Chehab 3854f38fcaSMauro Carvalho ChehabLIRC features 3954f38fcaSMauro Carvalho Chehab============= 4054f38fcaSMauro Carvalho Chehab 4154f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-REC-RAW: 4254f38fcaSMauro Carvalho Chehab 4354f38fcaSMauro Carvalho Chehab``LIRC_CAN_REC_RAW`` 4454f38fcaSMauro Carvalho Chehab 4554f38fcaSMauro Carvalho Chehab Unused. Kept just to avoid breaking uAPI. 4654f38fcaSMauro Carvalho Chehab 4754f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-REC-PULSE: 4854f38fcaSMauro Carvalho Chehab 4954f38fcaSMauro Carvalho Chehab``LIRC_CAN_REC_PULSE`` 5054f38fcaSMauro Carvalho Chehab 5154f38fcaSMauro Carvalho Chehab Unused. Kept just to avoid breaking uAPI. 5254f38fcaSMauro Carvalho Chehab :ref:`LIRC_MODE_PULSE <lirc-mode-pulse>` can only be used for transmitting. 5354f38fcaSMauro Carvalho Chehab 5454f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-REC-MODE2: 5554f38fcaSMauro Carvalho Chehab 5654f38fcaSMauro Carvalho Chehab``LIRC_CAN_REC_MODE2`` 5754f38fcaSMauro Carvalho Chehab 5854f38fcaSMauro Carvalho Chehab This is raw IR driver for receiving. This means that 5954f38fcaSMauro Carvalho Chehab :ref:`LIRC_MODE_MODE2 <lirc-mode-MODE2>` is used. This also implies 6054f38fcaSMauro Carvalho Chehab that :ref:`LIRC_MODE_SCANCODE <lirc-mode-SCANCODE>` is also supported, 6154f38fcaSMauro Carvalho Chehab as long as the kernel is recent enough. Use the 6254f38fcaSMauro Carvalho Chehab :ref:`lirc_set_rec_mode` to switch modes. 6354f38fcaSMauro Carvalho Chehab 6454f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-REC-LIRCCODE: 6554f38fcaSMauro Carvalho Chehab 6654f38fcaSMauro Carvalho Chehab``LIRC_CAN_REC_LIRCCODE`` 6754f38fcaSMauro Carvalho Chehab 6854f38fcaSMauro Carvalho Chehab Unused. Kept just to avoid breaking uAPI. 6954f38fcaSMauro Carvalho Chehab 7054f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-REC-SCANCODE: 7154f38fcaSMauro Carvalho Chehab 7254f38fcaSMauro Carvalho Chehab``LIRC_CAN_REC_SCANCODE`` 7354f38fcaSMauro Carvalho Chehab 7454f38fcaSMauro Carvalho Chehab This is a scancode driver for receiving. This means that 7554f38fcaSMauro Carvalho Chehab :ref:`LIRC_MODE_SCANCODE <lirc-mode-SCANCODE>` is used. 7654f38fcaSMauro Carvalho Chehab 7754f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SET-SEND-CARRIER: 7854f38fcaSMauro Carvalho Chehab 7954f38fcaSMauro Carvalho Chehab``LIRC_CAN_SET_SEND_CARRIER`` 8054f38fcaSMauro Carvalho Chehab 8154f38fcaSMauro Carvalho Chehab The driver supports changing the modulation frequency via 8254f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_SET_SEND_CARRIER <LIRC_SET_SEND_CARRIER>`. 8354f38fcaSMauro Carvalho Chehab 8454f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SET-SEND-DUTY-CYCLE: 8554f38fcaSMauro Carvalho Chehab 8654f38fcaSMauro Carvalho Chehab``LIRC_CAN_SET_SEND_DUTY_CYCLE`` 8754f38fcaSMauro Carvalho Chehab 8854f38fcaSMauro Carvalho Chehab The driver supports changing the duty cycle using 8954f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_SET_SEND_DUTY_CYCLE <LIRC_SET_SEND_DUTY_CYCLE>`. 9054f38fcaSMauro Carvalho Chehab 9154f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SET-TRANSMITTER-MASK: 9254f38fcaSMauro Carvalho Chehab 9354f38fcaSMauro Carvalho Chehab``LIRC_CAN_SET_TRANSMITTER_MASK`` 9454f38fcaSMauro Carvalho Chehab 9554f38fcaSMauro Carvalho Chehab The driver supports changing the active transmitter(s) using 9654f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_SET_TRANSMITTER_MASK <LIRC_SET_TRANSMITTER_MASK>`. 9754f38fcaSMauro Carvalho Chehab 9854f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SET-REC-CARRIER: 9954f38fcaSMauro Carvalho Chehab 10054f38fcaSMauro Carvalho Chehab``LIRC_CAN_SET_REC_CARRIER`` 10154f38fcaSMauro Carvalho Chehab 10254f38fcaSMauro Carvalho Chehab The driver supports setting the receive carrier frequency using 10354f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_SET_REC_CARRIER <LIRC_SET_REC_CARRIER>`. 10454f38fcaSMauro Carvalho Chehab 10554f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SET-REC-CARRIER-RANGE: 10654f38fcaSMauro Carvalho Chehab 10754f38fcaSMauro Carvalho Chehab``LIRC_CAN_SET_REC_CARRIER_RANGE`` 10854f38fcaSMauro Carvalho Chehab 10954f38fcaSMauro Carvalho Chehab The driver supports 11054f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_SET_REC_CARRIER_RANGE <LIRC_SET_REC_CARRIER_RANGE>`. 11154f38fcaSMauro Carvalho Chehab 11254f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-GET-REC-RESOLUTION: 11354f38fcaSMauro Carvalho Chehab 11454f38fcaSMauro Carvalho Chehab``LIRC_CAN_GET_REC_RESOLUTION`` 11554f38fcaSMauro Carvalho Chehab 11654f38fcaSMauro Carvalho Chehab The driver supports 11754f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_GET_REC_RESOLUTION <LIRC_GET_REC_RESOLUTION>`. 11854f38fcaSMauro Carvalho Chehab 11954f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SET-REC-TIMEOUT: 12054f38fcaSMauro Carvalho Chehab 12154f38fcaSMauro Carvalho Chehab``LIRC_CAN_SET_REC_TIMEOUT`` 12254f38fcaSMauro Carvalho Chehab 12354f38fcaSMauro Carvalho Chehab The driver supports 12454f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_SET_REC_TIMEOUT <LIRC_SET_REC_TIMEOUT>`. 12554f38fcaSMauro Carvalho Chehab 12654f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-MEASURE-CARRIER: 12754f38fcaSMauro Carvalho Chehab 12854f38fcaSMauro Carvalho Chehab``LIRC_CAN_MEASURE_CARRIER`` 12954f38fcaSMauro Carvalho Chehab 13054f38fcaSMauro Carvalho Chehab The driver supports measuring of the modulation frequency using 13154f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_SET_MEASURE_CARRIER_MODE <LIRC_SET_MEASURE_CARRIER_MODE>`. 13254f38fcaSMauro Carvalho Chehab 13354f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-USE-WIDEBAND-RECEIVER: 13454f38fcaSMauro Carvalho Chehab 13554f38fcaSMauro Carvalho Chehab``LIRC_CAN_USE_WIDEBAND_RECEIVER`` 13654f38fcaSMauro Carvalho Chehab 13754f38fcaSMauro Carvalho Chehab The driver supports learning mode using 13854f38fcaSMauro Carvalho Chehab :ref:`ioctl LIRC_SET_WIDEBAND_RECEIVER <LIRC_SET_WIDEBAND_RECEIVER>`. 13954f38fcaSMauro Carvalho Chehab 14054f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SEND-RAW: 14154f38fcaSMauro Carvalho Chehab 14254f38fcaSMauro Carvalho Chehab``LIRC_CAN_SEND_RAW`` 14354f38fcaSMauro Carvalho Chehab 14454f38fcaSMauro Carvalho Chehab Unused. Kept just to avoid breaking uAPI. 14554f38fcaSMauro Carvalho Chehab 14654f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SEND-PULSE: 14754f38fcaSMauro Carvalho Chehab 14854f38fcaSMauro Carvalho Chehab``LIRC_CAN_SEND_PULSE`` 14954f38fcaSMauro Carvalho Chehab 15054f38fcaSMauro Carvalho Chehab The driver supports sending (also called as IR blasting or IR TX) using 15154f38fcaSMauro Carvalho Chehab :ref:`LIRC_MODE_PULSE <lirc-mode-pulse>`. This implies that 15254f38fcaSMauro Carvalho Chehab :ref:`LIRC_MODE_SCANCODE <lirc-mode-SCANCODE>` is also supported for 15354f38fcaSMauro Carvalho Chehab transmit, as long as the kernel is recent enough. Use the 15454f38fcaSMauro Carvalho Chehab :ref:`lirc_set_send_mode` to switch modes. 15554f38fcaSMauro Carvalho Chehab 15654f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SEND-MODE2: 15754f38fcaSMauro Carvalho Chehab 15854f38fcaSMauro Carvalho Chehab``LIRC_CAN_SEND_MODE2`` 15954f38fcaSMauro Carvalho Chehab 16054f38fcaSMauro Carvalho Chehab Unused. Kept just to avoid breaking uAPI. 16154f38fcaSMauro Carvalho Chehab :ref:`LIRC_MODE_MODE2 <lirc-mode-mode2>` can only be used for receiving. 16254f38fcaSMauro Carvalho Chehab 16354f38fcaSMauro Carvalho Chehab.. _LIRC-CAN-SEND-LIRCCODE: 16454f38fcaSMauro Carvalho Chehab 16554f38fcaSMauro Carvalho Chehab``LIRC_CAN_SEND_LIRCCODE`` 16654f38fcaSMauro Carvalho Chehab 16754f38fcaSMauro Carvalho Chehab Unused. Kept just to avoid breaking uAPI. 16854f38fcaSMauro Carvalho Chehab 16954f38fcaSMauro Carvalho ChehabReturn Value 17054f38fcaSMauro Carvalho Chehab============ 17154f38fcaSMauro Carvalho Chehab 17254f38fcaSMauro Carvalho ChehabOn success 0 is returned, on error -1 and the ``errno`` variable is set 17354f38fcaSMauro Carvalho Chehabappropriately. The generic error codes are described at the 17454f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 175