Re: pms(4): disable parity checking for specific elantech fw

2020-08-10 Thread sxvghd
On 2020-08-08 22:47, Marcus Glocker wrote: Can we maybe add a small comment explaining the inverted parity bits behaviour on cold boot for this firmware version? Sure thing. Index: pms.c === RCS file: /cvs/src/sys/dev/pckbc/pms.c,

Re: pms(4): disable parity checking for specific elantech fw

2020-08-08 Thread Marcus Glocker
On Sat, 08 Aug 2020 17:08:01 +0200 sxv...@firemail.cc wrote: > So I recently installed OpenBSD on an EeePC 900HD with an Elantech v1 > touchpad (fw_version 0x20022). > This specific fw version for some reason sends inverted parity bits > on a cold boot, returning to normal after suspend & resume.

pms(4): disable parity checking for specific elantech fw

2020-08-08 Thread sxvghd
So I recently installed OpenBSD on an EeePC 900HD with an Elantech v1 touchpad (fw_version 0x20022). This specific fw version for some reason sends inverted parity bits on a cold boot, returning to normal after suspend & resume. That leads to a failed parity check, dropped packets and ultimately a