linux-kernel - Re: [PATCH 3/3] Input: tsc2007 - add a property "ti,report-resistance" to restore the old pressure reporting state if needed.

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Date:   Tue, 21 Feb 2017 18:19:49 +0100
From:   Sebastian Reichel <sre@...nel.org>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Pavel Machek <pavel@....cz>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jonathan Cameron <jic23@...nel.org>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, letux-kernel@...nphoenux.org
Subject: Re: [PATCH 3/3] Input: tsc2007 - add a property
 "ti,report-resistance" to restore the old pressure reporting state if
 needed.

Hi,

On Tue, Feb 21, 2017 at 12:43:28PM +0100, H. Nikolaus Schaller wrote:
> > Am 21.02.2017 um 12:07 schrieb Pavel Machek <pavel@....cz>:
> > On Mon 2017-02-20 17:56:36, H. Nikolaus Schaller wrote:
> >> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
> > 
> > No. device tree is for hardware description, not kernel configuration.
> 
> Yes, I agree. A new Kernel CONFIG would be better in this case.
> I just did copy&paste from the old patch set without thinking that far.
> 
> Would
> 
> CONFIG_TSC2007_REPORT_RAW_RESISTANCE_AS_PRESSURE
> 
> be ok?

I guess either a CONFIG or a module parameter may be used to provide
the previous (broken) behaviour. I suggest to ignore the problem
until its reported, though. There is a high chance, that nobody will
notice the change at all / nobody needs the compat layer.

-- Sebastian

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