Bug#855465: taps intermittently missed on AlpsPS/2 ALPS GlidePoint touchpad

[Emilio Pozuelo Monfort <pochu@debian.org>]

On 18/02/17 19:14, Jyotirmoy Bhattacharya wrote:
> Package: libinput10
> Version: 1.6.0-1
> 
> On my AlpsPS/2 ALPS GlidePoint touchpad with tap-to-click enabled, taps 
> sometimes register as clicks and sometimes don't.
> 
> On running
> 
> sudo libinput-debug-events --enable-tap --device /dev/input/event2
> 
> sometimes taps produce events like
> 
> event2   POINTER_BUTTON   +21.93s    BTN_LEFT (272) pressed, seat count: 1
> event2   POINTER_BUTTON   +22.20s    BTN_LEFT (272) released, seat count: 0
> 
> but sometimes they produce nothing at all and there is no clear pattern of when 
> a tap succeeds.
> 
> On the other hand with libinput built from the current git (6b561d45) things 
> work as expected and
> 
> sudo ./event-debug --enable-tap --device /dev/input/event2
> 
> consistently generates events for taps.

Probably due to the tap timeout change in 1.6.0, i.e. #853869. I'll fix this soon.

Cheers,
Emilio