touch: Use edge triggered irq
In a quick test i was not able to produce stuck touch points or (with older squeekboard) never ending enter presses.
Closes: #136 (closed)
And this accidentally works around #133 (closed) and #125 (closed).
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In a quick test i was not able to produce stuck touch points or (with older squeekboard) never ending enter presses.
Closes: #136 (closed)
And this accidentally works around #133 (closed) and #125 (closed).