On Saturday 07 January 2006 03:25, Vojtech Pavlik wrote:
>
> If a relative mode is an absolute must, then a kernel option is IMO
> sufficient (we have psmouse.proto=imps for the classic PS/2 Synaptics
> pads), although a sysfs attribute would likely be better.
>
Just FYI, writing into /sys/bus/serio/devices/serioX/protcol allows
swicthing ptorocol dynamically (this involves teardown of old input
device and creation of a new one).
> In theory, we could use EV_SYN, SYN_CONFIG for notifying applications
> that the device has changed its capabilities, but a
> disconnect/recreation will work better, since no applications support
> the SYN_CONFIG notification ATM.
>
I could see SYN_CONFIG being used to signal changes in limits (like min
and max X coordinates) but not to basic device capabilities.
--
Dmitry
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