@David J
I just saw your #291 post.  Your device looks similar to the Latitude 6430, 
etc. that Ben reverse engineered.  But it has a different command-mode response 
(0x88 0x08 0x22).  Maybe it still conforms to the V5 protocol.  To test this, 
add a new entry to alps_model_data and add a new command mode response check to 
the alps_enter_command_mode routine.

Also, what is the DSDT entry for the device?  If you're using my 1.2
driver, that hardware id string should be dumped.  If you're using
something different, run these commands

  sudo sh -c "cat /sys/firmware/acpi/tables/DSDT > DSDT.aml"
  iasl -d DSDT.aml

and then in DSDT.dsl, search for 'Device (PS2)' or 'EisaId ("PNP0F13")'
and list the corresponding _HID value.

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Title:
  synaptic touchpad not recognized on dell latitude e6510 and others

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