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Subject: Re: [PATCH] input: edt-ft5x06: increase allowed data range for
 threshold parameter
To: Rob Herring <robh@kernel.org>, <dmitry.torokhov@gmail.com>
References: <1493737259-26210-1-git-send-email-martin.kepplinger@ginzinger.com>
 <20170508161146.vkmaohiesjd6e6vq@rob-hp-laptop>
CC: <simon.budig@kernelconcepts.de>, <daniel.wagener@kernelconcepts.de>,
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        <linux-doc@vger.kernel.org>,
        Schoefegger Stefan <stefan.schoefegger@ginzinger.com>,
        Manfred Schlaegl <manfred.schlaegl@ginzinger.com>
From: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Message-ID: <2a2d6377-1d3c-8639-0f28-d9519965296c@ginzinger.com>
Date: Thu, 11 May 2017 10:32:36 +0200
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On 2017-05-08 18:11, Rob Herring wrote:
> On Tue, May 02, 2017 at 05:00:59PM +0200, Martin Kepplinger wrote:
>> The datasheet and application note does not mention an allowed range for
>> the M09_REGISTER_THRESHOLD parameter. One of our customers needs to set
>> lower values than 20 and they seem to work just fine on EDT EP0xx0M09 with
>> T5x06 touch.
>>
>> So, lacking a known lower limit, we increase the range for thresholds,
>> and set the lower limit to 0. The documentation is updated accordingly.
>>
>> Signed-off-by: Schoefegger Stefan <stefan.schoefegger@ginzinger.com>
>> Signed-off-by: Manfred Schlaegl <manfred.schlaegl@ginzinger.com>
>> Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
>> ---
>>  Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt | 2 +-
>>  Documentation/input/devices/edt-ft5x06.rst                         | 2 +-
>>  drivers/input/touchscreen/edt-ft5x06.c                             | 2 +-
>>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> Acked-by: Rob Herring <robh@kernel.org>
> 

Dmitry, any objections or thoughts?

thanks
                       martin