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Bug#986561: marked as done (linux: Regression in drivers/hid/hid-dr.c causing horizontal D-pad to malfunction on SNES joystick)

Your message dated Thu, 20 Feb 2025 13:31:18 +0100 (CET)
with message-id <20250220123118.CEF05BE2EE7@eldamar.lan>
and subject line Closing this bug (BTS maintenance for src:linux bugs)
has caused the Debian Bug report #986561,
regarding linux: Regression in drivers/hid/hid-dr.c causing horizontal D-pad to malfunction on SNES joystick
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
986561: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986561
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: linux
Severity: normal
Tags: upstream
X-Debbugs-Cc: alessandro@aggro.it

Greetings,

I am encountering the issue described in this thread[1], using a gamepad identified as "DragonRise" with USB ID 0079:0011.

The joypad works as intended except for the D-pad: up and down are detected in jstest (though misinterpreted: the input graph shows the points in the left up/down corners instead of the center), the left and right buttons are completely ignored.

Running 'input-events' shows events 0/127 and 255/127 on up and down respectively, nothing at all on left and right.

I was able to identify that the misbehaviour was caused by this commit[2] on the kernel source tree. To determine this I have rebuilt the Debian kernel using hid-dr.c from the previous commit[3] and loaded hid-dr.ko manually, with which the gamepad worked as intended. I have replaced the file again with the one from the breaking commit iself ([2]) and the behaviour was again broken.

Furthermore, to confirm that that was the breaking commit, I have commented line 315 (the input mapping one in the struct) from the current Debian source tree and rebuilt it, the joypad works as it should.

Regards,
Alessandro

[1]: https://retropie.org.uk/forum/topic/25657/controler-issue-no-left-and-right-not-working-at-all
[2]: https://github.com/torvalds/linux/commit/e15944099870f374ca7efc62f98cf23ba272ef43
[3]: https://github.com/torvalds/linux/commit/313726cad3b68039c8e4dcad5a2840a0d375678c



-- System Information:
Debian Release: bullseye/sid
  APT prefers testing-security
  APT policy: (500, 'testing-security'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.10.0-5-amd64 (SMP w/12 CPU threads)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

--- End Message ---
--- Begin Message --- 
Hi

This bug was filed for a very old kernel or the bug is old itself
without resolution.

If you can reproduce it with

- the current version in unstable/testing
- the latest kernel from backports

please reopen the bug, see https://www.debian.org/Bugs/server-control
for details.

Regards,
Salvatore

--- End Message ---
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