1*4882a593Smuzhiyun.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later 2*4882a593Smuzhiyun.. c:namespace:: RC 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun.. _lirc_set_wideband_receiver: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun******************************** 7*4882a593Smuzhiyunioctl LIRC_SET_WIDEBAND_RECEIVER 8*4882a593Smuzhiyun******************************** 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunName 11*4882a593Smuzhiyun==== 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunLIRC_SET_WIDEBAND_RECEIVER - enable wide band receiver. 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunSynopsis 16*4882a593Smuzhiyun======== 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun.. c:macro:: LIRC_SET_WIDEBAND_RECEIVER 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun``int ioctl(int fd, LIRC_SET_WIDEBAND_RECEIVER, __u32 *enable)`` 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunArguments 23*4882a593Smuzhiyun========= 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun``fd`` 26*4882a593Smuzhiyun File descriptor returned by open(). 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun``enable`` 29*4882a593Smuzhiyun enable = 1 means enable wideband receiver, enable = 0 means disable 30*4882a593Smuzhiyun wideband receiver. 31*4882a593Smuzhiyun 32*4882a593SmuzhiyunDescription 33*4882a593Smuzhiyun=========== 34*4882a593Smuzhiyun 35*4882a593SmuzhiyunSome receivers are equipped with special wide band receiver which is 36*4882a593Smuzhiyunintended to be used to learn output of existing remote. This ioctl 37*4882a593Smuzhiyunallows enabling or disabling it. 38*4882a593Smuzhiyun 39*4882a593SmuzhiyunThis might be useful of receivers that have otherwise narrow band receiver 40*4882a593Smuzhiyunthat prevents them to be used with some remotes. Wide band receiver might 41*4882a593Smuzhiyunalso be more precise. On the other hand its disadvantage it usually 42*4882a593Smuzhiyunreduced range of reception. 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun.. note:: 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun Wide band receiver might be implictly enabled if you enable 47*4882a593Smuzhiyun carrier reports. In that case it will be disabled as soon as you disable 48*4882a593Smuzhiyun carrier reports. Trying to disable wide band receiver while carrier 49*4882a593Smuzhiyun reports are active will do nothing. 50*4882a593Smuzhiyun 51*4882a593SmuzhiyunReturn Value 52*4882a593Smuzhiyun============ 53*4882a593Smuzhiyun 54*4882a593SmuzhiyunOn success 0 is returned, on error -1 and the ``errno`` variable is set 55*4882a593Smuzhiyunappropriately. The generic error codes are described at the 56*4882a593Smuzhiyun:ref:`Generic Error Codes <gen-errors>` chapter. 57