[CentOS] No IrDA Support with CentOS anymore?

[Akemi Yagi]

On Tue, Oct 29, 2019 at 4:09 AM <andreas.reschke at mahle.com> wrote:
>
> Hi there,
> I've a laptop with CentOS 8 and a PC with CentOS 7. After 3 years of break
> I was Scuba Diving last 3 weeks. Back at home I wish to download all dive
> logs from my divecomputer connext via IrDA to my PC.
>
> But no kernel modul for IrDA was found.
>
> [root at rechner1 ~]# modprobe ircomm
> modprobe: FATAL: Module ircomm not found in directory
> /lib/modules/4.18.0-147.6.el8.x86_64
> [root at rechner1 ~]# modprobe ircomm_tty
> modprobe: FATAL: Module ircomm_tty not found in directory
> /lib/modules/4.18.0-147.6.el8.x86_64
> [root at destn40768 ~]#
>
>
> [root at rechner1 ~]# lsusb | grep -i irda
> Bus 002 Device 011: ID 9710:7780 MosChip Semiconductor MCS7780 4Mbps Fast
> IrDA Adapter
> [root at rechner1 ~]#
>
> Same with CentOS7
>
> How do I get IrDA support?
>
> Mit freundlichen Grüßen / Kind regards
>
> Andreas Reschke

As you found out, there is no support for IrDA in CentOS-7 or -8. The
only CentOS kernel I see with the support for device [9710:7780] is
the centosplus kernel for CentOS-6. This means that you'd need to
install CentOS-6 and then update it with the kernel in the centosplus
repository.

Akemi