On Sun, May 30, 2010 at 2:08 PM, David Brownell <[email protected]> wrote: > --- On Sun, 5/30/10, Cory Maccarrone <[email protected]> wrote: > > I don't see the point in having a separate driver > for this chip ... it's just an updated ADS7846, > and the ads7846 driver has handled it for quite > a few years now, as I recall. There's no need for > second driver. > >> >> This driver differs from the ADS7846 in that it >> >> uses 16-bit commands instead of 8-bit, > > The reason the ads7846 code uses 8-bit messaging > is portability ... it works with SPI controllers > which don't support 16-bit words. The commands are > of necessity 16-bits. Using 16-bit words means this > driver won't run on as many systems; folk will still > need to use the ads7846 driver with tsc2046 chips.. > > > > and does not include >> temerature >> >> or voltage sensing capabilities. > > Another reason not to have a separate driver: this > one is less capable (as well as less portable) > > >> >> additions that allow >> >> the injection of pointercal parameters from tslib through /sys. > > Something the ads7846 driver could benefit from > too ... again, two drivers is counterproductive. > > - Dave > >
I totally agree, thus my previous message. This submitted patch is no longer relevant. - Cory ------------------------------------------------------------------------------ _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
