From: Jonathan Cameron <jic23-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Denis Carikli <denis-fO0SIAKYzcbQT0dZR+AlfA@public.gmane.org>,
Shawn Guo <shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Samuel Ortiz <sameo-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Dmitry Torokhov
<dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "Eric Bénard" <eric-fO0SIAKYzcbQT0dZR+AlfA@public.gmane.org>,
"Sascha Hauer" <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
"Lee Jones" <lee.jones-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-iio-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Fabio Estevam"
<festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"Lars-Peter Clausen"
<lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>,
"Markus Pargmann" <mpa-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
"Devicetree List"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v2 3/6] iio: adc: fsl,imx25-gcq driver
Date: Sun, 29 Jun 2014 12:01:20 +0100 [thread overview]
Message-ID: <53AFF200.9060205@kernel.org> (raw)
In-Reply-To: <53A95533.8090500-fO0SIAKYzcbQT0dZR+AlfA@public.gmane.org>
On 24/06/14 11:38, Denis Carikli wrote:
> On 06/21/2014 12:30 PM, Jonathan Cameron wrote:
>>> + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
>> No known info on converting this to real voltages? I'd normally expect
>> a scale parameter at least with any raw channel output, but fair enough
>> if it's not obvous what this should be.
>
> We know the internal reference voltage.
> We can also know the external reference voltage by representing it as a regulator.
>
> Since there are many combinations should a regulator for each reference(external reference, xp, yp, xn and yn) be used?
>
yes.
WARNING: multiple messages have this Message-ID (diff)
From: Jonathan Cameron <jic23@kernel.org>
To: Denis Carikli <denis@eukrea.com>,
Shawn Guo <shawn.guo@linaro.org>,
Samuel Ortiz <sameo@linux.intel.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: "Eric Bénard" <eric@eukrea.com>,
"Sascha Hauer" <kernel@pengutronix.de>,
linux-arm-kernel@lists.infradead.org,
"Lee Jones" <lee.jones@linaro.org>,
linux-input@vger.kernel.org, linux-iio@vger.kernel.org,
"Fabio Estevam" <festevam@gmail.com>,
"Lars-Peter Clausen" <lars@metafoo.de>,
"Markus Pargmann" <mpa@pengutronix.de>,
"Devicetree List" <devicetree@vger.kernel.org>
Subject: Re: [PATCH v2 3/6] iio: adc: fsl,imx25-gcq driver
Date: Sun, 29 Jun 2014 12:01:20 +0100 [thread overview]
Message-ID: <53AFF200.9060205@kernel.org> (raw)
In-Reply-To: <53A95533.8090500@eukrea.com>
On 24/06/14 11:38, Denis Carikli wrote:
> On 06/21/2014 12:30 PM, Jonathan Cameron wrote:
>>> + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
>> No known info on converting this to real voltages? I'd normally expect
>> a scale parameter at least with any raw channel output, but fair enough
>> if it's not obvous what this should be.
>
> We know the internal reference voltage.
> We can also know the external reference voltage by representing it as a regulator.
>
> Since there are many combinations should a regulator for each reference(external reference, xp, yp, xn and yn) be used?
>
yes.
WARNING: multiple messages have this Message-ID (diff)
From: jic23@kernel.org (Jonathan Cameron)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/6] iio: adc: fsl,imx25-gcq driver
Date: Sun, 29 Jun 2014 12:01:20 +0100 [thread overview]
Message-ID: <53AFF200.9060205@kernel.org> (raw)
In-Reply-To: <53A95533.8090500@eukrea.com>
On 24/06/14 11:38, Denis Carikli wrote:
> On 06/21/2014 12:30 PM, Jonathan Cameron wrote:
>>> + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \
>> No known info on converting this to real voltages? I'd normally expect
>> a scale parameter at least with any raw channel output, but fair enough
>> if it's not obvous what this should be.
>
> We know the internal reference voltage.
> We can also know the external reference voltage by representing it as a regulator.
>
> Since there are many combinations should a regulator for each reference(external reference, xp, yp, xn and yn) be used?
>
yes.
next prev parent reply other threads:[~2014-06-29 11:01 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-20 16:21 [PATCH 0/3] arm imx25 touchscreen/ADC drivers Markus Pargmann
2014-02-20 16:21 ` Markus Pargmann
2014-02-20 16:21 ` [PATCH 1/3] mfd: fsl imx25 Touchscreen ADC driver Markus Pargmann
2014-02-20 16:21 ` Markus Pargmann
2014-02-20 17:17 ` Fabio Estevam
2014-02-20 17:17 ` Fabio Estevam
[not found] ` <CAOMZO5BDyyvXs9CxJQOkuEpxZ8fqamCPB67sNhJxES+XU2XkXQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-02-21 9:18 ` Markus Pargmann
2014-02-21 9:18 ` Markus Pargmann
2014-02-21 9:18 ` Markus Pargmann
2014-02-21 10:18 ` Markus Pargmann
2014-02-21 10:18 ` Markus Pargmann
2014-02-21 10:18 ` Markus Pargmann
2014-02-20 16:21 ` [PATCH 2/3] input: touchscreen: imx25 tcq driver Markus Pargmann
2014-02-20 16:21 ` Markus Pargmann
[not found] ` <1392913312-9030-3-git-send-email-mpa-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2014-02-23 6:44 ` Dmitry Torokhov
2014-02-23 6:44 ` Dmitry Torokhov
2014-02-23 6:44 ` Dmitry Torokhov
2014-02-25 11:05 ` Markus Pargmann
2014-02-25 11:05 ` Markus Pargmann
[not found] ` <1392913312-9030-1-git-send-email-mpa-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2014-02-20 16:21 ` [PATCH 3/3] iio: adc: fsl,imx25-gcq driver Markus Pargmann
2014-02-20 16:21 ` Markus Pargmann
2014-02-20 16:21 ` Markus Pargmann
2014-02-20 17:46 ` Lars-Peter Clausen
2014-02-20 17:46 ` Lars-Peter Clausen
2014-02-20 17:46 ` Lars-Peter Clausen
2014-02-21 10:12 ` Markus Pargmann
2014-02-21 10:12 ` Markus Pargmann
2014-06-13 15:21 ` Dust off the "arm imx25 touchscreen/ADC drivers" patch serie Denis Carikli
2014-06-13 15:21 ` Denis Carikli
2014-06-13 15:21 ` [PATCH v2 1/6] mfd: fsl imx25 Touchscreen ADC driver Denis Carikli
2014-06-13 15:21 ` Denis Carikli
[not found] ` <1402672899-6995-2-git-send-email-denis-fO0SIAKYzcbQT0dZR+AlfA@public.gmane.org>
2014-06-21 10:09 ` Jonathan Cameron
2014-06-21 10:09 ` Jonathan Cameron
2014-06-21 10:09 ` Jonathan Cameron
2014-06-13 15:21 ` [PATCH v2 2/6] input: touchscreen: imx25 tcq driver Denis Carikli
2014-06-13 15:21 ` Denis Carikli
[not found] ` <1402672899-6995-3-git-send-email-denis-fO0SIAKYzcbQT0dZR+AlfA@public.gmane.org>
2014-06-15 7:27 ` Dmitry Torokhov
2014-06-15 7:27 ` Dmitry Torokhov
2014-06-15 7:27 ` Dmitry Torokhov
2014-06-21 10:18 ` Jonathan Cameron
2014-06-21 10:18 ` Jonathan Cameron
2014-06-21 19:55 ` Fabio Estevam
2014-06-21 19:55 ` Fabio Estevam
[not found] ` <CAOMZO5BxZDX5TDZdUCbpTw2LpVC=vr4cnn4eSpzd_023wcy+Fg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-06-29 11:00 ` Jonathan Cameron
2014-06-29 11:00 ` Jonathan Cameron
2014-06-29 11:00 ` Jonathan Cameron
[not found] ` <53AFF1C4.1010402-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2014-06-29 11:49 ` Russell King - ARM Linux
2014-06-29 11:49 ` Russell King - ARM Linux
2014-06-29 11:49 ` Russell King - ARM Linux
[not found] ` <20140629114901.GO32514-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2014-07-03 17:57 ` Jonathan Cameron
2014-07-03 17:57 ` Jonathan Cameron
2014-07-03 17:57 ` Jonathan Cameron
2014-06-13 15:21 ` [PATCH v2 3/6] iio: adc: fsl,imx25-gcq driver Denis Carikli
2014-06-13 15:21 ` Denis Carikli
2014-06-14 19:27 ` Hartmut Knaack
2014-06-14 19:27 ` Hartmut Knaack
[not found] ` <1402672899-6995-4-git-send-email-denis-fO0SIAKYzcbQT0dZR+AlfA@public.gmane.org>
2014-06-13 17:25 ` Peter Meerwald
2014-06-13 17:25 ` Peter Meerwald
2014-06-13 17:25 ` Peter Meerwald
2014-06-21 10:30 ` Jonathan Cameron
2014-06-21 10:30 ` Jonathan Cameron
2014-06-21 10:30 ` Jonathan Cameron
[not found] ` <53A55EDF.4010104-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2014-06-24 10:38 ` Denis Carikli
2014-06-24 10:38 ` Denis Carikli
2014-06-24 10:38 ` Denis Carikli
[not found] ` <53A95533.8090500-fO0SIAKYzcbQT0dZR+AlfA@public.gmane.org>
2014-06-29 11:01 ` Jonathan Cameron [this message]
2014-06-29 11:01 ` Jonathan Cameron
2014-06-29 11:01 ` Jonathan Cameron
2014-06-13 15:21 ` [PATCH v2 4/6] ARM: dts: imx25: Add touchscreen support Denis Carikli
2014-06-13 15:21 ` Denis Carikli
2014-06-13 15:21 ` [PATCH v2 5/6] ARM: dts: imx25: mbimxsd25: " Denis Carikli
2014-06-13 15:21 ` Denis Carikli
2014-06-13 17:10 ` Fabio Estevam
2014-06-13 17:10 ` Fabio Estevam
2014-06-13 15:21 ` [PATCH v2 6/6] ARM: imx_v4_v5_defconfig: Add I.MX25 Touchscreen controller support Denis Carikli
2014-06-13 15:21 ` Denis Carikli
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