Messages in this thread | | | Date | Sun, 07 Nov 2010 21:50:57 +0100 | From | Henrik Rydberg <> | Subject | Re: [PATCH] input: Introduce light-weight contact tracking |
| |
On 11/07/2010 09:44 PM, Rafi Rubin wrote:
> 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.
This is the exception I was talking about. The thing is, I can very well see a driver supporting four fingers even if the device claims to support six. After all, getting those four fingers working well will still be a big improvement.
Henrik
| |