linux-kernel - Re: [PATCH v4 5/9] iio: adc: at91-sama5d2_adc: add support for position and pressure channels

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Date:   Mon, 7 May 2018 13:40:03 +0300
From:   Eugen Hristev <eugen.hristev@...rochip.com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>
CC:     Jonathan Cameron <jic23@...nel.org>,
        <ludovic.desroches@...rochip.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-iio@...r.kernel.org>, <linux-input@...r.kernel.org>,
        <nicolas.ferre@...rochip.com>, <dmitry.torokhov@...il.com>,
        <robh@...nel.org>
Subject: Re: [PATCH v4 5/9] iio: adc: at91-sama5d2_adc: add support for
 position and pressure channels



On 07.05.2018 13:28, Alexandre Belloni wrote:
> On 07/05/2018 09:18:39+0300, Eugen Hristev wrote:
>> On 06.05.2018 20:59, Alexandre Belloni wrote:
>>> Hi,
>>>
>>> On 06/05/2018 18:29:53+0100, Jonathan Cameron wrote:
>>>> On Mon, 30 Apr 2018 13:32:11 +0300
>>>> Eugen Hristev <eugen.hristev@...rochip.com> wrote:
>>>>
>>>>> This implements the support for position and pressure for the included
>>>>> touchscreen support in the SAMA5D2 SOC ADC block.
>>>>> Two position channels are added and one for pressure.
>>>>> They can be read in raw format, or through a buffer.
>>>>> A normal use case is for a consumer driver to register a callback buffer
>>>>> for these channels.
>>>>> When the touchscreen channels are in the active scan mask,
>>>>> the driver will start the touchscreen sampling and push the data to the
>>>>> buffer.
>>>>>
>>>>> Some parts of this patch are based on initial original work by
>>>>> Mohamed Jamsheeth Hajanajubudeen and Bandaru Venkateswara Swamy
>>>>>
>>>>> Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
>>>> Looks good to me now.
>>>>
>>>> I'm assuming that once Dmitry and others are happy, I'll take the
>>>> series through the IIO tree. Will reply to the cover letter if the
>>>> rest of the patches look good to me to let everyone know that without
>>>> having to catch this comment down in here!
>>>>
>>>
>>> I'm planning to take both DT patches through the at91 tree once you take
>>> the DT bindings patches.
>>
>> Please take into consideration that those DT patches do not build
>> stand-alone, they depend on
>> [PATCH v4 7/9] dt-bindings: iio: adc: at91-sama5d2_adc: add channel specific
>> consumer info
>>
>> (the DT patches add an include statement of a file which is created in this
>> patch).
>>
> 
> So the proper way is to actually have the values in the dt instead of
> the define and then patch it on the next version of the kernel.
> 
> Or we take the dts patches on the next version.

Taking the DTS patches on the next version is fine for me.

Thanks
>