cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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lirc-set-measure-carrier-mode.rst (1036B)


      1.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
      2.. c:namespace:: RC
      3
      4.. _lirc_set_measure_carrier_mode:
      5
      6***********************************
      7ioctl LIRC_SET_MEASURE_CARRIER_MODE
      8***********************************
      9
     10Name
     11====
     12
     13LIRC_SET_MEASURE_CARRIER_MODE - enable or disable measure mode
     14
     15Synopsis
     16========
     17
     18.. c:macro:: LIRC_SET_MEASURE_CARRIER_MODE
     19
     20``int ioctl(int fd, LIRC_SET_MEASURE_CARRIER_MODE, __u32 *enable)``
     21
     22Arguments
     23=========
     24
     25``fd``
     26    File descriptor returned by open().
     27
     28``enable``
     29    enable = 1 means enable measure mode, enable = 0 means disable measure
     30    mode.
     31
     32Description
     33===========
     34
     35.. _lirc-mode2-frequency:
     36
     37Enable or disable measure mode. If enabled, from the next key
     38press on, the driver will send ``LIRC_MODE2_FREQUENCY`` packets. By
     39default this should be turned off.
     40
     41Return Value
     42============
     43
     44On success 0 is returned, on error -1 and the ``errno`` variable is set
     45appropriately. The generic error codes are described at the
     46:ref:`Generic Error Codes <gen-errors>` chapter.