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    SubjectRe: [PATCH] input: Introduce light-weight contact tracking
    On 11/07/2010 03:18 PM, Henrik Rydberg wrote:
    > Some kernel drivers demand the use of contact tracking for proper
    > filtering and pointer emulation. With one exception, these drivers
    > are limited to a maximum of four concurrent contacts. This patch adds
    > a simple matcher for up to four contacts, with these notable properties:

    Tracking in the ntrig driver needs to support a minimum of 6 fingers. I have
    also seen press releases claiming 10+ eventually. I don't know if those devices
    will support tracking in the hardware/firmware.


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