Re: [PATCH 2/9 v2] Input: synaptics - refactor agm packet parsing
From: Chase Douglas <hidden>
Date: 2011-07-23 00:32:42
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On 07/20/2011 06:38 AM, djkurtz@chromium.org wrote:
From: Daniel Kurtz <redacted>
When a Synaptics touchpad is in "AGM" mode, and multiple fingers are
detected, the touchpad sends alternating "Advanced Gesture Mode" (AGM) and
"Simple Gesture Mode" (SGM) packets.
The AGM packets have w=2, and contain reduced resolution finger data.
The SGM packets have w={0,1} and contain full resolution finger data.
Refactor the parsing of agm packets to its own function, and rename the
synaptics_data.mt field to .agm to indicate that it contains the contents of
the last agm packet.
Signed-off-by: Daniel Kurtz <redacted>Acked-by: Chase Douglas <redacted>