On Friday 13 July 2007, Dmitry Torokhov wrote:
> HI David,
>
> On 7/13/07, David Brownell <[email protected]> wrote:
> > From: Semih Hazar <[email protected]>
> >
> > The ads7846 driver has support for filtering, but when the chip gets
> > deselected between samples this causes noise. This patch adds support
> > for an optional settling delay time, so that two consecutive samples
> > will be taken with the specified delay time apart. This ensures that
> > the chip won't be deselected, so the noise won't appear.
> >
>
>
> Sorry for being unresponsive.
It happens to all of us sometimes! No real problem.
> I have both patches in my tree and I
> will push them to Linus with my next batch for 2.6.23-pre-rc1.
Great, that's what I wanted to see happen.
Watching this touchscreen driver evolve has been interesting;
I hadn't realized it took quite so much work to get accurate
measurements! Some touchscreen controllers seem to do the
sample quality improvement in hardware (or firmware), but this
seems to be the only driver doing this much of the work itself.
- Dave
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