Messages in this thread | | | Date | Fri, 7 Nov 2014 11:17:14 +0100 | From | Richard Cochran <> | Subject | Re: [PATCH 1/4] input: touchscreen: ti_am335x_tsc Interchange touchscreen and ADC steps |
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On Fri, Nov 07, 2014 at 11:04:05AM +0530, Vignesh R wrote: > Currently, there is too much noise in the TSC hardware that is being > removed by delta filtering. I tested TSC unit by removing filtering > logic, the performance was not at all satisfactory. The cursor jumps > wayward and smooth circles cannot be drawn. Looks like delta filtering > cannot be removed as of now. May be I will try and address it in future.
FWIW, on the boards that I tested, I printed the measured values out, and I found that with 5 repetitions, I got the same value 5 times, plus or minus a very small delta.
Thanks, Richard
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