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LIRC stopped working after update to kernel 4.19.23-gentoo
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mani001
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Joined: 04 Dec 2004
Posts: 355
Location: Oleiros

PostPosted: Sat Feb 23, 2019 6:46 am    Post subject: LIRC stopped working after update to kernel 4.19.23-gentoo Reply with quote

Hi,

I have a cheap 10-years-old USB IR receiver

https://www.amazon.com/Generic-Remote-Control-Windows-Media-Center/dp/B0146KYNF2/ref=sr_1_2?ie=UTF8&qid=1550903935&sr=8-2&keywords=generic%2BRemote%2BControl%2BWindows%2BMedia

that used to work fine...until the latest kernel update. Doing some research, it seems the problem is the receiver is not seen anymore as a USB mouse/keyboard. Before, when I did

Code:
cat /proc/bus/input/devices


the output for my receiver was

Code:
I: Bus=0003 Vendor=073a Product=2230 Version=0110
N: Name="HID 073a:2230"
P: Phys=usb-0000:00:14.0-6/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6:1.0/0003:073A:2230.0001/input/input14
U: Uniq=
H: Handlers=sysrq kbd mouse0 event14
B: PROP=0
B: EV=10001f
B: KEY=3007f 0 0 4c3ffff17aff32d bf54445600000000 70001 130c130b17c007 ffa67bfad951dfff febeffdfffefffff fffffffffffffffe
B: REL=343
B: ABS=100000000
B: MSC=10


and now it is

Code:
I: Bus=0003 Vendor=073a Product=2230 Version=0110
N: Name="HID 073a:2230 System Control"
P: Phys=usb-0000:00:14.0-6/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6:1.0/0003:073A:2230.0001/input/input17
U: Uniq=
H: Handlers=kbd event17
B: PROP=0
B: EV=13
B: KEY=40000001000000 1200000000 0 0 40000010cc00 10168000000000 0
B: MSC=10


(notice the "Handlers" field) and when I run

Code:
cat /dev/input/by-id/usb-073a_2230-event-mouse


and press keys in my remote I get nothing where I used to get garbage before (and of course, "irw" is giving out nothing).

Any clues?

Cheers.
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