Re: [PATCH] Input: ads7846 - add dummy command register clearing cycle

[Dmitry Torokhov <dmitry.torokhov@gmail.com>]

On Thu, Oct 31, 2024 at 07:21:52PM +0100, Marek Vasut wrote:
> On 6/27/24 12:33 AM, Aaro Koskinen wrote:
> > Hi,
> > 
> > On Wed, Jun 26, 2024 at 02:40:00PM +0200, Linus Walleij wrote:
> > > On Tue, Jun 25, 2024 at 10:50 PM Dmitry Torokhov
> > > <dmitry.torokhov@gmail.com> wrote:
> > > 
> > > > I am concerned that we are putting workaroud for a single controller
> > > > into common function. Can we quirk it based on compatible? If not then I
> > > > would like someone to run tests on other controllers. Unfortunately I do
> > > > not have such hardware.
> > > > 
> > > > Linus, do you have devices with ads7846 or tsc2046 by chance? Spitz?
> > > 
> > > Sadly I do not, but it is inside the Nokia770 so maybe Aaro can test it?
> > > (Not sure if Aaro has the 770 though...)
> > 
> > I sure have 770, and I can test patches.
> > 
> > However, ads7846 has regressed and it has been broken on 770 for
> > a couple years already as half-duplex support got suddenly deleted
> > without any pre-warning to users (770 was using this driver maybe
> > a decade without any issues). I reported this as a regression but
> > input maintainers preferred to prioritize "nicer hardware". See e.g.:
> > https://marc.info/?l=linux-input&m=164783764828520&w=2
> > 
> > I'm planning to restore the half-duplex support for 770, but it's not
> > on my top prioriority list so it will take a while.
> > 
> > Meanwhile, maybe you can ask the users of such "nicer hardware" to test.
> Seems there is basically no interest anymore . Can this patch be applied or
> how shall we proceed ?

Applied, thank you.

-- 
Dmitry