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authorNick Dyer <nick.dyer@itdev.co.uk>2016-04-25 14:18:52 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-04-25 14:27:57 -0700
commiteb43335c409543506dd84b59f5c6bdd35cecf2c7 (patch)
treed150da86ad97f0121d3ac936c147ea177a7aee8c /Documentation
parent6984ab1ab35f422292b7781c65284038bcc0f6a6 (diff)
Input: atmel_mxt_ts - use mxt_acquire_irq in mxt_soft_reset
If using IRQF_TRIGGER_FALLING, then there is a race here: if the reset completes before we enable the IRQ, then CHG is already low and touch will be broken. This has been seen on Chromebook Pixel 2. A workaround is to reconfig T18 COMMSCONFIG to enable the RETRIGEN bit using mxt-app: mxt-app -W -T18 44 mxt-app --backup Tested-by: Tom Rini <trini@konsulko.com> Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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