Re: [PATCH 2/2] Input: synaptics - emit multitouch data

From: Chase Douglas
Date: Mon Dec 13 2010 - 18:14:57 EST


On 12/13/2010 02:55 PM, Henrik Rydberg wrote:
> In multitouch mode, two data packets are sent from the device. Due to
> limitations in the hardware detection mechanism, individual contacts
> cannot be reliably extracted. However, the bounding rectangle of the
> individual contacts can be accurately reproduced. This patch emits the
> MT data as envelope coordinates, allowing userspace to track the
> bounding rectangle and produce appropriate gestures.
>
> Acked-by: Chris Bagwell <chris@xxxxxxxxxxxxxx>
> Signed-off-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>

I agree with the patch in theory, but I still have reservations about
MT_TOOL_ENVELOPE. Once that's sorted out I'll add my ACK.

Thanks,

-- Chase
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