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When the pen comes in proximity, special packets appear on the
multitouch device. This confuses userland which misinterprets the
touch state. This patch masks the special pen packets consisting
of a single finger of width 10, thereby fixing the problem.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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The current driver does not work for single-touch firmware,
and the driver occasionally crashes. The HID report which resets
the array index is never received, resulting in out-of-range memory
access. This patch restores functionality by detecting the presence
of the multitouch firmware, and adds a range check to make the
driver resilient against additional unknown firmware versions.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Reported to work well on Dell Studio 17, Dell XT2, HP TX2 and Lenovo T410s.
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
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