Re: [PATCH 3/3] input/touchscreen: Add Hynitron cstxxx touchscreen

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

On Fri, Sep 30, 2022 at 10:34:50AM -0500, Chris Morgan wrote:
> On Thu, Sep 29, 2022 at 09:24:27AM -0700, Dmitry Torokhov wrote:
> > Hi Chris,
> > 
> > On Wed, Sep 28, 2022 at 04:48:06PM -0500, Chris Morgan wrote:
> > > +
> > > +	/*
> > > +	 * Testing suggests command is required to allow reading of
> > > +	 * firmware registers.
> > > +	 */
> > > +	buf[0] = 0xd1;
> > > +	buf[1] = 0x01;
> > 
> > I wonder if we can define some symbolic names for these.
> > 
> 
> I don't know what they mean, the best I can do is guess. No
> datasheet sadly. I know from preliminary testing if I don't
> send this initial command here the rest of them fail, so I
> assume this command allows me to read certain registers?

Guessing is fine, we can adjust them if we ever get a hold of the data
sheet.

Thanks.

-- 
Dmitry