[Bug 242542] [psm] trackpoint not working, touchpad only sometimes after upgrade to 12.1-RELEASE

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=242542

--- Comment #8 from Felix Palmen <felix at palmen-it.de> ---
(In reply to Vladimir Kondratyev from comment #7)

> Is it always broken on cold start and restores after reboot?
>From my observations so far, yes. But normally, only the touchpad works after
reboot, a working trackpoint is rare.

> I need about 30-40 lines starting from:
> psm0: current command byte:0067

psm0: current command byte:0067
psm: ENABLE_DEV return code:00fa
psm: DISABLE_DEV return code:00fa
psm: SEND_AUX_DEV_STATUS return code:00fa
psm: status 00 02 64
psm: SEND_DEV_ID return code:00fa
psm: device ID: 0000
psm: SET_RESOLUTION (0) 00fa
psm: SET_SCALING11 return code:00fa
psm: SET_SCALING11 return code:00fa
psm: SET_SCALING11 return code:00fa
psm: SEND_AUX_DEV_STATUS return code:00fa
psm: status 00 00 64
aux_mux: ping port 0
aux_mux: ping port 1
aux_mux: ping port 2
aux_mux: ping port 3
Active Multiplexing PS/2 controller v1.1 with 0 active port(s)
psm: SET_RESOLUTION (3) 00fe
psm: SET_RESOLUTION (3) 00fe
psm: SET_SCALING11 return code:00fe
psm: SET_SAMPLING_RATE (200) 00fe
psm: SET_SAMPLING_RATE (200) 00fe
psm: SET_SAMPLING_RATE (200) 00fe
psm: SEND_DEV_ID return code:00fe
synaptics: BEGIN init
psm: SET_SCALING11 return code:00fe
psm: SET_RESOLUTION (0) 00fe
elantech: BEGIN init
psm: SET_SCALING11 return code:00fe
psm: SET_SCALING11 return code:00fe
psm: SET_SCALING11 return code:00fe
psm: SEND_AUX_DEV_STATUS return code:00fe
psm: SET_SAMPLING_RATE (200) 00fe
psm: SET_SAMPLING_RATE (100) 00fe
psm: SEND_DEV_ID return code:00fe
psm: SET_SAMPLING_RATE (10) 00fe
psm: SET_RESOLUTION (2) 00fe
psm: SET_SAMPLING_RATE (100) 00fe
psm: SET_SCALING11 return code:00fe
psm: SET_SCALING11 return code:00fe
psm: SET_SCALING11 return code:00fe
psm: SET_SCALING11 return code:00fe
psm: SEND_AUX_DEV_STATUS return code:00fe
psm: SET_RESOLUTION (2) 00fe
psm: SET_SAMPLING_RATE (100) 00fe
psm: SET_SCALING11 return code:00fe
psm: SEND_AUX_DEV_STATUS return code:00fe
psm0: failed to get status.
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0-00, 2 buttons
psm0: config:00000000, flags:00000008, packet size:3
psm0: syncmask:c0, syncbits:00

> Try:
> 1. Attached patch.
> 2. enable_synaptics_mux() body replaced with return(FALSE);

Thanks again! Will test both soon and report back. Why are there lines added,
but commented? Should I also try *with* these lines?

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