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| author | Chris Bagwell <chris@cnpbagwell.com> | 2011-09-09 13:38:10 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-09-12 22:08:59 -0700 |
| commit | 8f9068609e8a5b4cbac9e0cf8332b5dcabf05422 (patch) | |
| tree | 03e532daea4d8df16c42c77e118cf9fe981ae543 /arch/s390/mm/maccess.c | |
| parent | 1c601beaf21671b5033169d04efeda462bf58f01 (diff) | |
Input: wacom - fix touch parsing on newer Bamboos
Bamboos with Product ID's > 0xD4 return values unrelated to pressure
in touch 1 pressure field. They also report 2nd touch X/Y values
shifted down 1 byte (where pressure was). This results in jumpy
1 finger touch and totally invalid 2nd finger data.
For touch detection, switch to a Touch Present single bit that
all versions of Bamboo support.
For touch 2 offset, calculate offset based on a bit that is set
different between the two packet layouts.
Since touch pressure reports were removed from driver, there was
no need to be reading pressure any more.
Signed-off-by: Chris Bagwell <chris@cnpbagwell.com>
Reviewed-by: Ping Cheng <pinglinux@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'arch/s390/mm/maccess.c')
0 files changed, 0 insertions, 0 deletions