Inertia and Damper are also condition-ed effects. #169
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The four condition-ed effects are spring, friction, damper, inertia: Ref: Universal Serial Bus (USB) Device Class Definition for Physical Interface Devices (PID) https://www.usb.org/sites/default/files/documents/pid1_01.pdf page 11, Table 3: Effect Types
…s it masks erroneous cases such as forgotten to be handled properly effects.
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Looks good to me. I need this as well for https://github.com/laanwj/remote-uinput-rs . |
laanwj
approved these changes
Feb 6, 2026
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Dear maintainers, @emberian , @coolreader18 , please consider the patch as it fixes the 'bug' and shall "unblock" some projects (e.g. mentioned by @laanwj or mine) that need this to be handled properly. Please tell if any changes required. I've tested the patch locally. |
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The four condition-ed effects are spring, friction, damper, inertia: Ref: Universal Serial Bus (USB) Device Class Definition for Physical Interface Devices (PID) https://www.usb.org/sites/default/files/documents/pid1_01.pdf page 11, Table 3: Effect Types
Hi. Currently condition data is not propagated for those effects, however it needs to.
The four condition-ed effects are spring, friction, damper, inertia:
Some refs:
Universal Serial Bus (USB) Device Class Definition for Physical Interface Devices (PID)
https://www.usb.org/sites/default/files/documents/pid1_01.pdf
page 11, Table 3: Effect Types
gdk ref
ffbtools also provide condition settings for those effects.
This patch adds condition data propagation to evdev API for the latter two effects.