1*54f38fcaSMauro Carvalho Chehab.. Permission is granted to copy, distribute and/or modify this 2*54f38fcaSMauro Carvalho Chehab.. document under the terms of the GNU Free Documentation License, 3*54f38fcaSMauro Carvalho Chehab.. Version 1.1 or any later version published by the Free Software 4*54f38fcaSMauro Carvalho Chehab.. Foundation, with no Invariant Sections, no Front-Cover Texts 5*54f38fcaSMauro Carvalho Chehab.. and no Back-Cover Texts. A copy of the license is included at 6*54f38fcaSMauro Carvalho Chehab.. Documentation/userspace-api/media/fdl-appendix.rst. 7*54f38fcaSMauro Carvalho Chehab.. 8*54f38fcaSMauro Carvalho Chehab.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 9*54f38fcaSMauro Carvalho Chehab 10*54f38fcaSMauro Carvalho Chehab.. _lirc_set_wideband_receiver: 11*54f38fcaSMauro Carvalho Chehab 12*54f38fcaSMauro Carvalho Chehab******************************** 13*54f38fcaSMauro Carvalho Chehabioctl LIRC_SET_WIDEBAND_RECEIVER 14*54f38fcaSMauro Carvalho Chehab******************************** 15*54f38fcaSMauro Carvalho Chehab 16*54f38fcaSMauro Carvalho ChehabName 17*54f38fcaSMauro Carvalho Chehab==== 18*54f38fcaSMauro Carvalho Chehab 19*54f38fcaSMauro Carvalho ChehabLIRC_SET_WIDEBAND_RECEIVER - enable wide band receiver. 20*54f38fcaSMauro Carvalho Chehab 21*54f38fcaSMauro Carvalho ChehabSynopsis 22*54f38fcaSMauro Carvalho Chehab======== 23*54f38fcaSMauro Carvalho Chehab 24*54f38fcaSMauro Carvalho Chehab.. c:function:: int ioctl( int fd, LIRC_SET_WIDEBAND_RECEIVER, __u32 *enable ) 25*54f38fcaSMauro Carvalho Chehab :name: LIRC_SET_WIDEBAND_RECEIVER 26*54f38fcaSMauro Carvalho Chehab 27*54f38fcaSMauro Carvalho ChehabArguments 28*54f38fcaSMauro Carvalho Chehab========= 29*54f38fcaSMauro Carvalho Chehab 30*54f38fcaSMauro Carvalho Chehab``fd`` 31*54f38fcaSMauro Carvalho Chehab File descriptor returned by open(). 32*54f38fcaSMauro Carvalho Chehab 33*54f38fcaSMauro Carvalho Chehab``enable`` 34*54f38fcaSMauro Carvalho Chehab enable = 1 means enable wideband receiver, enable = 0 means disable 35*54f38fcaSMauro Carvalho Chehab wideband receiver. 36*54f38fcaSMauro Carvalho Chehab 37*54f38fcaSMauro Carvalho Chehab 38*54f38fcaSMauro Carvalho ChehabDescription 39*54f38fcaSMauro Carvalho Chehab=========== 40*54f38fcaSMauro Carvalho Chehab 41*54f38fcaSMauro Carvalho ChehabSome receivers are equipped with special wide band receiver which is 42*54f38fcaSMauro Carvalho Chehabintended to be used to learn output of existing remote. This ioctl 43*54f38fcaSMauro Carvalho Chehaballows enabling or disabling it. 44*54f38fcaSMauro Carvalho Chehab 45*54f38fcaSMauro Carvalho ChehabThis might be useful of receivers that have otherwise narrow band receiver 46*54f38fcaSMauro Carvalho Chehabthat prevents them to be used with some remotes. Wide band receiver might 47*54f38fcaSMauro Carvalho Chehabalso be more precise. On the other hand its disadvantage it usually 48*54f38fcaSMauro Carvalho Chehabreduced range of reception. 49*54f38fcaSMauro Carvalho Chehab 50*54f38fcaSMauro Carvalho Chehab.. note:: 51*54f38fcaSMauro Carvalho Chehab 52*54f38fcaSMauro Carvalho Chehab Wide band receiver might be implictly enabled if you enable 53*54f38fcaSMauro Carvalho Chehab carrier reports. In that case it will be disabled as soon as you disable 54*54f38fcaSMauro Carvalho Chehab carrier reports. Trying to disable wide band receiver while carrier 55*54f38fcaSMauro Carvalho Chehab reports are active will do nothing. 56*54f38fcaSMauro Carvalho Chehab 57*54f38fcaSMauro Carvalho Chehab 58*54f38fcaSMauro Carvalho ChehabReturn Value 59*54f38fcaSMauro Carvalho Chehab============ 60*54f38fcaSMauro Carvalho Chehab 61*54f38fcaSMauro Carvalho ChehabOn success 0 is returned, on error -1 and the ``errno`` variable is set 62*54f38fcaSMauro Carvalho Chehabappropriately. The generic error codes are described at the 63*54f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 64