Re: Touch processing on host CPU

2014-10-22 Thread Andrew de los Reyes
On Fri, Oct 17, 2014 at 10:17 AM, Dmitry Torokhov wrote: > Hi Nick, > > On Fri, Oct 17, 2014 at 11:42:10AM +0100, Nick Dyer wrote: >> Hi- >> >> I'm trying to find out which subsystem maintainer I should be talking to - >> apologies if I'm addressing the wrong people. >> >> There is a model for doi

Re: Touch processing on host CPU

2014-10-22 Thread One Thousand Gnomes
> This sounds promising. The only sticking point I can see is that a touch > frontend has many more channels (possibly thousands), which would seem to > impose a lot of overhead when put into the IIO framework. I will certainly > take a closer look at it. If that is the case then it may not be the

Re: Touch processing on host CPU

2014-10-21 Thread Nick Dyer
On 21/10/14 13:22, One Thousand Gnomes wrote: >> If you will have touch processing in a binary blob, you'll also be going >> to ages "Works with Ubuntu 12.04 on x86_32!" (and nothing else), or >> "Android 5.1.2 on Tegra Blah (build 78912KT)" (and nothing else). > > As well as not going upstream be

Re: Touch processing on host CPU

2014-10-21 Thread One Thousand Gnomes
> If you will have touch processing in a binary blob, you'll also be going > to ages "Works with Ubuntu 12.04 on x86_32!" (and nothing else), or > "Android 5.1.2 on Tegra Blah (build 78912KT)" (and nothing else). As well as not going upstream because there is no way anyone else can test changes to

Re: Touch processing on host CPU

2014-10-21 Thread Pavel Machek
Hi! > I'm trying to find out which subsystem maintainer I should be talking to - > apologies if I'm addressing the wrong people. > > There is a model for doing touch processing where the touch controller > becomes a much simpler device which sends out raw acquisitions (over SPI > at up to 1Mbps

Re: Touch processing on host CPU

2014-10-17 Thread Dmitry Torokhov
Hi Nick, On Fri, Oct 17, 2014 at 11:42:10AM +0100, Nick Dyer wrote: > Hi- > > I'm trying to find out which subsystem maintainer I should be talking to - > apologies if I'm addressing the wrong people. > > There is a model for doing touch processing where the touch controller > becomes a much sim

Re: Touch processing on host CPU

2014-10-17 Thread Jonathan Cameron
On October 17, 2014 11:42:10 AM GMT+01:00, Nick Dyer wrote: >Hi- > >I'm trying to find out which subsystem maintainer I should be talking >to - >apologies if I'm addressing the wrong people. > >There is a model for doing touch processing where the touch controller >becomes a much simpler device

Touch processing on host CPU

2014-10-17 Thread Nick Dyer
Hi- I'm trying to find out which subsystem maintainer I should be talking to - apologies if I'm addressing the wrong people. There is a model for doing touch processing where the touch controller becomes a much simpler device which sends out raw acquisitions (over SPI at up to 1Mbps + protocol o