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[Jarod Wilson <jarod@xxxxxxxxxxxx>]

There are two perfectly valid ways to use the mceusb driver, one is via
the "default" lirc driver and /dev/lirc0, the other is using devinput
and the mceusb device's input layer event device (or better, its symlink
in /dev/input/by-id/). The current problem with trying to use devinput
mode is that the lirc initscript is disabling all the in-kernel
decoders, upon which devinput mode relies to get raw IR scancodes
translated into Linux input layer event keycodes.

The simple fix for this sort of thing I threw into the Fedora lirc
initscripts was to NOT twiddle /sys/class/rc/rc*/protocols when the lirc
driver mode is set to devinput. I'd suggest doing the same here.

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https://bugs.launchpad.net/bugs/778296

Title:
  lirc not working correctly on 2.6.38 kernel

Status in “lirc” package in Ubuntu:
  New

Bug description:
  Binary package hint: lirc

  lirc not working correctl y on 2.6.38 kernel. I reverted back to lirc
  not working correctly on 2.6.35 kernel and it starts working. I
  understand that mceusb is now part of kernel driver. So I have
  accordingly changed hardware.conf. I dont see anything on irw or ir-
  keytable -t when i press my remote(s). Tried multiple remotes to see
  the input. I can confirm that there is /dev/lirc0. When I do cat
  /dev/lirc0 and press remote I see garbage spew on the screen.

  My IR Receiver is
  Bus 003 Device 002: ID 0471:0815 Philips (or NXP) eHome Infrared Receiver

  # ir-keytable
  Found /sys/class/rc/rc0/ (/dev/input/event5) with:
          Driver mceusb, table rc-rc6-mce
          Supported protocols: NEC RC-5 RC-6 JVC SONY LIRC
          Enabled protocols: LIRC
          Repeat delay = 500 ms, repeat period = 33 ms

  
  # /etc/lirc/hardware.conf
  #
  #Chosen Remote Control
  REMOTE="Windows Media Center Transceivers/Remotes (all)"
  REMOTE_MODULES="lirc_dev mceusb"
  REMOTE_DRIVER="devinput"
  REMOTE_DEVICE="/dev/input/event5" (found using ir-keytable)
  REMOTE_SOCKET=""
  REMOTE_LIRCD_CONF="lircd.conf" (Copy /usr/share/lirc/remotes/devinput/lircd.conf.devinput to /etc/lirc/lircd.conf)
  REMOTE_LIRCD_ARGS=""

  #Chosen IR Transmitter
  TRANSMITTER=""
  TRANSMITTER_MODULES=""
  TRANSMITTER_DRIVER=""
  TRANSMITTER_DEVICE=""
  TRANSMITTER_SOCKET=""
  TRANSMITTER_LIRCD_CONF=""
  TRANSMITTER_LIRCD_ARGS=""

  #Enable lircd
  START_LIRCD="true"

  #Don't start lircmd even if there seems to be a good config file
  #START_LIRCMD="false"

  #Try to load appropriate kernel modules
  LOAD_MODULES="true"

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: lirc 0.8.7-0ubuntu4.1
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Fri May  6 01:12:38 2011
  InstallationMedia: Mythbuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427.1)
  ProcEnviron:
   LANGUAGE=en_US:en
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: lirc
  UpgradeStatus: Upgraded to natty on 2011-05-02 (3 days ago)