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From: Ziping Chen <techping.chan@gmail.com>
To: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: icenowy@aosc.io, Chen-Yu Tsai <wens@csie.org>,
	Rob Herring <robh@kernel.org>,
	mark.rutland@arm.com, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
	Alexandre Belloni <alexandre.belloni@free-electrons.com>
Subject: Re: [linux-sunxi] Re: [PATCH v3 2/3] dt-bindings: input: Add R_LRADC support for A83T
Date: Thu, 29 Jun 2017 20:19:14 +0800	[thread overview]
Message-ID: <CAAST=9zv8nqbR42kS99F5S6Nk6brZXE8ruOEapSf7sEjKBrD-A@mail.gmail.com> (raw)
In-Reply-To: <20170629075324.oflzdye3pi5ijzcr@flea>

2017-06-29 15:53 GMT+08:00 Maxime Ripard <maxime.ripard@free-electrons.com>:
> On Thu, Jun 29, 2017 at 12:45:51PM +0800, Ziping Chen wrote:
>> 2017-06-28 1:36 GMT+08:00 Maxime Ripard <maxime.ripard@free-electrons.com>:
>> > Hi,
>> >
>> > On Tue, Jun 27, 2017 at 11:29:10PM +0800, icenowy@aosc.io wrote:
>> >> Maxime, here's another problem: if we have already a GP LRADC driver,
>> >> how can we tell the kernel to use it as IIO ADC rather than keys?
>> >
>> > The GPADC IIO driver is not for the LRADC driver, but the GPADC /
>> > temperature sensor.
>> >
>> > We used to have an LRADC IIO driver in the CHIP BSP written by Alex
>> > (in CC):
>> > https://github.com/NextThingCo/CHIP-linux/commit/8675b761c54be73dc7cc0113209f02e10cc63a27
>> >
>> > But he never mainlined it.
>> >
>> >> Should we introduce a new property for this once ready?
>> >
>> > We need to keep the current binding. We can just check for the
>> > presence or not of child nodes to see if it has some keys, and we'd
>> > need an IIO-to-input driver that is yet to be written.
>> >
>>
>> Yes, then we need an iio-to-input driver...
>> So...whether the driver(a83t lradc keys) can be applied now,
>> or we should wait for the iio-to-input driver.
>
> This is a long term discussion, it shouldn't hold the patches you
> sent.

OK, I get it.

And I will think about how to implement the iio-to-input driver.

Thanks,
Ziping

>
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com

WARNING: multiple messages have this Message-ID (diff)
From: Ziping Chen <techping.chan-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Maxime Ripard
	<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: icenowy-h8G6r0blFSE@public.gmane.org,
	Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
	Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
	Alexandre Belloni
	<alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Subject: Re: Re: [PATCH v3 2/3] dt-bindings: input: Add R_LRADC support for A83T
Date: Thu, 29 Jun 2017 20:19:14 +0800	[thread overview]
Message-ID: <CAAST=9zv8nqbR42kS99F5S6Nk6brZXE8ruOEapSf7sEjKBrD-A@mail.gmail.com> (raw)
In-Reply-To: <20170629075324.oflzdye3pi5ijzcr@flea>

2017-06-29 15:53 GMT+08:00 Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>:
> On Thu, Jun 29, 2017 at 12:45:51PM +0800, Ziping Chen wrote:
>> 2017-06-28 1:36 GMT+08:00 Maxime Ripard <maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>:
>> > Hi,
>> >
>> > On Tue, Jun 27, 2017 at 11:29:10PM +0800, icenowy-h8G6r0blFSE@public.gmane.org wrote:
>> >> Maxime, here's another problem: if we have already a GP LRADC driver,
>> >> how can we tell the kernel to use it as IIO ADC rather than keys?
>> >
>> > The GPADC IIO driver is not for the LRADC driver, but the GPADC /
>> > temperature sensor.
>> >
>> > We used to have an LRADC IIO driver in the CHIP BSP written by Alex
>> > (in CC):
>> > https://github.com/NextThingCo/CHIP-linux/commit/8675b761c54be73dc7cc0113209f02e10cc63a27
>> >
>> > But he never mainlined it.
>> >
>> >> Should we introduce a new property for this once ready?
>> >
>> > We need to keep the current binding. We can just check for the
>> > presence or not of child nodes to see if it has some keys, and we'd
>> > need an IIO-to-input driver that is yet to be written.
>> >
>>
>> Yes, then we need an iio-to-input driver...
>> So...whether the driver(a83t lradc keys) can be applied now,
>> or we should wait for the iio-to-input driver.
>
> This is a long term discussion, it shouldn't hold the patches you
> sent.

OK, I get it.

And I will think about how to implement the iio-to-input driver.

Thanks,
Ziping

>
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com

WARNING: multiple messages have this Message-ID (diff)
From: techping.chan@gmail.com (Ziping Chen)
To: linux-arm-kernel@lists.infradead.org
Subject: [linux-sunxi] Re: [PATCH v3 2/3] dt-bindings: input: Add R_LRADC support for A83T
Date: Thu, 29 Jun 2017 20:19:14 +0800	[thread overview]
Message-ID: <CAAST=9zv8nqbR42kS99F5S6Nk6brZXE8ruOEapSf7sEjKBrD-A@mail.gmail.com> (raw)
In-Reply-To: <20170629075324.oflzdye3pi5ijzcr@flea>

2017-06-29 15:53 GMT+08:00 Maxime Ripard <maxime.ripard@free-electrons.com>:
> On Thu, Jun 29, 2017 at 12:45:51PM +0800, Ziping Chen wrote:
>> 2017-06-28 1:36 GMT+08:00 Maxime Ripard <maxime.ripard@free-electrons.com>:
>> > Hi,
>> >
>> > On Tue, Jun 27, 2017 at 11:29:10PM +0800, icenowy at aosc.io wrote:
>> >> Maxime, here's another problem: if we have already a GP LRADC driver,
>> >> how can we tell the kernel to use it as IIO ADC rather than keys?
>> >
>> > The GPADC IIO driver is not for the LRADC driver, but the GPADC /
>> > temperature sensor.
>> >
>> > We used to have an LRADC IIO driver in the CHIP BSP written by Alex
>> > (in CC):
>> > https://github.com/NextThingCo/CHIP-linux/commit/8675b761c54be73dc7cc0113209f02e10cc63a27
>> >
>> > But he never mainlined it.
>> >
>> >> Should we introduce a new property for this once ready?
>> >
>> > We need to keep the current binding. We can just check for the
>> > presence or not of child nodes to see if it has some keys, and we'd
>> > need an IIO-to-input driver that is yet to be written.
>> >
>>
>> Yes, then we need an iio-to-input driver...
>> So...whether the driver(a83t lradc keys) can be applied now,
>> or we should wait for the iio-to-input driver.
>
> This is a long term discussion, it shouldn't hold the patches you
> sent.

OK, I get it.

And I will think about how to implement the iio-to-input driver.

Thanks,
Ziping

>
> Maxime
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux and Kernel engineering
> http://free-electrons.com

  reply	other threads:[~2017-06-29 12:19 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-24  2:45 [PATCH v3 0/3] Allwinner A83T R_LRADC support Ziping Chen
2017-06-24  2:45 ` Ziping Chen
2017-06-24  2:45 ` [PATCH v3 1/3] input: sun4i-a10-lradc-keys: Add support for A83T Ziping Chen
2017-06-26 17:13   ` Maxime Ripard
2017-06-26 17:13     ` Maxime Ripard
2017-06-26 17:13     ` Maxime Ripard
2019-03-26 20:26     ` [linux-sunxi] " Ondřej Jirman
2019-03-26 20:26       ` Ondřej Jirman
2019-03-26 20:26       ` 'Ondřej Jirman' via linux-sunxi
2017-06-24  2:45 ` [PATCH v3 2/3] dt-bindings: input: Add R_LRADC " Ziping Chen
2017-06-26 17:15   ` Maxime Ripard
2017-06-26 17:15     ` Maxime Ripard
2017-06-26 17:15     ` Maxime Ripard
2017-06-27 15:18     ` Ziping Chen
2017-06-27 15:18       ` Ziping Chen
2017-06-27 15:18       ` Ziping Chen
2017-06-27 15:29       ` [linux-sunxi] " icenowy
2017-06-27 15:29         ` icenowy at aosc.io
2017-06-27 15:29         ` icenowy-h8G6r0blFSE
2017-06-27 17:36         ` [linux-sunxi] " Maxime Ripard
2017-06-27 17:36           ` Maxime Ripard
2017-06-27 17:36           ` Maxime Ripard
2017-06-27 18:15           ` [linux-sunxi] " Alexandre Belloni
2017-06-27 18:15             ` Alexandre Belloni
2017-06-27 18:15             ` Alexandre Belloni
2017-06-29  4:45           ` Ziping Chen
2017-06-29  4:45             ` Ziping Chen
2017-06-29  4:45             ` Ziping Chen
2017-06-29  7:53             ` [linux-sunxi] " Maxime Ripard
2017-06-29  7:53               ` Maxime Ripard
2017-06-29  7:53               ` Maxime Ripard
2017-06-29 12:19               ` Ziping Chen [this message]
2017-06-29 12:19                 ` Ziping Chen
2017-06-29 12:19                 ` Ziping Chen
2017-06-27 17:31       ` Maxime Ripard
2017-06-27 17:31         ` Maxime Ripard
2017-06-27 17:31         ` Maxime Ripard
2017-06-29  4:35         ` Ziping Chen
2017-06-29  4:35           ` Ziping Chen
2017-06-29  4:35           ` Ziping Chen
2017-06-29  7:52           ` Maxime Ripard
2017-06-29  7:52             ` Maxime Ripard
2017-06-29  7:52             ` Maxime Ripard
2017-06-24  2:45 ` [PATCH v3 3/3] ARM: dts: sunxi: " Ziping Chen

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