HID: pidff: Add MISSING_NEG_COEFFICIENT quirk

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Windows/Directinput allows devices with missing negative coefficient for
conditional effects. Negative coefficient is ignored in such cases.

Donot fail set_condition usage search if negative coefficient is missing.
Fixes conditional effect playback on Asetek wheelbases.

https://learn.microsoft.com/en-us/previous-versions/windows/desktop/ee416601(v=vs.85)

Co-developed-by: Oleg Makarenko <oleg@makarenk.ooo>
Signed-off-by: Oleg Makarenko <oleg@makarenk.ooo>
Signed-off-by: Tomasz Pakuła <tomasz.pakula.oficjalny@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>

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Tomasz Pakuła 2026-02-03 18:45:28 +01:00 • committed by Jiri Kosina

parent 446e303982

commit cf3bf7ad4e

2 changed files with 12 additions and 2 deletions

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11

drivers/hid/usbhid/hid-pidff.c

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3

drivers/hid/usbhid/hid-pidff.h

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