From: Jean Delvare <khali@linux-fr.org>
To: Jonathan Cameron <Jonathan.Cameron@gmail.com>
Cc: "Hans J. Koch" <hjk@linutronix.de>,
linux-kernel@vger.kernel.org,
spi-devel-general@lists.sourceforge.net,
LM Sensors <lm-sensors@lm-sensors.org>,
Dmitry Torokhov <dtor@mail.ru>
Subject: Re: Accelerometer, Gyros and ADC's etc within the kernel.
Date: Wed, 21 May 2008 15:20:09 +0200 [thread overview]
Message-ID: <20080521152009.0a227c3e@hyperion.delvare> (raw)
In-Reply-To: <4833F3B6.6020806@gmail.com>
On Wed, 21 May 2008 11:04:38 +0100, Jonathan Cameron wrote:
> Definitely agreed that it makes sense to put DACs and ADCs in the same
> general place and obviously there are plenty of devices out there that do
> both.
Note that hardware monitoring chips can include ADCs and DACs: the
former to monitor system voltages, and the later to control fans (most
chips use PWM for that but a few use DACs.) ADCs and DACs are, much
like GPIOs, usable for a variety of different purposes. I doubt that
there would be any benefit in abstracting DACs and ADCs the way we did
for GPIOs, but the important point here is that we really want to group
the drivers according to their functionality and not technical
implementation details.
--
Jean Delvare
WARNING: multiple messages have this Message-ID (diff)
From: Jean Delvare <khali@linux-fr.org>
To: Jonathan Cameron <Jonathan.Cameron@gmail.com>
Cc: "Hans J. Koch" <hjk@linutronix.de>,
linux-kernel@vger.kernel.org,
spi-devel-general@lists.sourceforge.net,
LM Sensors <lm-sensors@lm-sensors.org>,
Dmitry Torokhov <dtor@mail.ru>
Subject: Re: [lm-sensors] Accelerometer,
Date: Wed, 21 May 2008 13:20:09 +0000 [thread overview]
Message-ID: <20080521152009.0a227c3e@hyperion.delvare> (raw)
In-Reply-To: <4833F3B6.6020806@gmail.com>
On Wed, 21 May 2008 11:04:38 +0100, Jonathan Cameron wrote:
> Definitely agreed that it makes sense to put DACs and ADCs in the same
> general place and obviously there are plenty of devices out there that do
> both.
Note that hardware monitoring chips can include ADCs and DACs: the
former to monitor system voltages, and the later to control fans (most
chips use PWM for that but a few use DACs.) ADCs and DACs are, much
like GPIOs, usable for a variety of different purposes. I doubt that
there would be any benefit in abstracting DACs and ADCs the way we did
for GPIOs, but the important point here is that we really want to group
the drivers according to their functionality and not technical
implementation details.
--
Jean Delvare
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next prev parent reply other threads:[~2008-05-21 13:20 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-20 10:04 Accelerometer, Gyros and ADC's etc within the kernel Jonathan Cameron
2008-05-20 10:04 ` Jonathan Cameron
2008-05-20 10:04 ` [lm-sensors] " Jonathan Cameron
2008-05-20 11:28 ` Jean Delvare
2008-05-20 11:28 ` [lm-sensors] Accelerometer, Jean Delvare
[not found] ` <20080520132817.03fb74ea-ig7AzVSIIG7kN2dkZ6Wm7A@public.gmane.org>
2008-05-20 21:40 ` Accelerometer, Gyros and ADC's etc within the kernel Hans J. Koch
2008-05-20 21:40 ` Hans J. Koch
2008-05-20 21:40 ` [lm-sensors] Accelerometer, Hans J. Koch
2008-05-21 10:04 ` Accelerometer, Gyros and ADC's etc within the kernel Jonathan Cameron
2008-05-21 10:04 ` [lm-sensors] Accelerometer, Jonathan Cameron
2008-05-21 13:20 ` Jean Delvare [this message]
2008-05-21 13:20 ` Jean Delvare
2008-05-21 13:49 ` Accelerometer, Gyros and ADC's etc within the kernel Dmitry Torokhov
2008-05-21 13:49 ` Dmitry Torokhov
2008-05-21 13:49 ` [lm-sensors] Accelerometer, Dmitry Torokhov
2008-05-21 14:09 ` Accelerometer, Gyros and ADC's etc within the kernel Henrique de Moraes Holschuh
2008-05-21 14:09 ` [lm-sensors] Accelerometer, Henrique de Moraes Holschuh
[not found] ` <20080521093520.ZZRA012-NG0XCrj25/nJrYCpivWRnl5pS2h4L8biXqFh9Ls21Oc@public.gmane.org>
2008-05-27 17:16 ` Accelerometer, Gyros and ADC's etc within the kernel Ben Dooks
2008-05-27 17:16 ` [spi-devel-general] " Ben Dooks
2008-05-27 17:16 ` [lm-sensors] [spi-devel-general] Accelerometer, Ben Dooks
[not found] ` <20080527171656.GA870-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2008-05-27 19:01 ` Accelerometer, Gyros and ADC's etc within the kernel Dmitry Torokhov
2008-05-27 19:01 ` [spi-devel-general] " Dmitry Torokhov
2008-05-27 19:01 ` [lm-sensors] [spi-devel-general] Accelerometer, Dmitry Torokhov
2008-05-22 0:52 ` Accelerometer, Gyros and ADC's etc within the kernel David Brownell
2008-05-22 0:52 ` David Brownell
2008-05-22 0:52 ` [lm-sensors] Accelerometer, David Brownell
[not found] ` <200805211752.15670.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-05-22 9:35 ` Accelerometer, Gyros and ADC's etc within the kernel Jonathan Cameron
2008-05-22 9:35 ` [spi-devel-general] " Jonathan Cameron
2008-05-22 9:35 ` [lm-sensors] [spi-devel-general] Accelerometer, Jonathan Cameron
[not found] ` <48353E45.2080903-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>
2008-05-26 16:23 ` Accelerometer, Gyros and ADC's etc within the kernel Jonathan Cameron
2008-05-26 16:23 ` [spi-devel-general] " Jonathan Cameron
2008-05-26 16:23 ` [lm-sensors] [spi-devel-general] Accelerometer, Jonathan Cameron
2008-06-26 18:01 ` Accelerometer etc subsystem (Update on progress) Jonathan Cameron
2008-06-26 18:01 ` [lm-sensors] " Jonathan Cameron
[not found] ` <4863D97A.9090102-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2008-06-26 18:26 ` Jonathan Cameron
2008-06-26 18:26 ` Jonathan Cameron
2008-06-26 18:26 ` [lm-sensors] " Jonathan Cameron
2008-06-27 2:39 ` Randy Dunlap
2008-06-27 2:39 ` [lm-sensors] " Randy Dunlap
2008-06-27 3:29 ` Ben Nizette
2008-06-27 3:29 ` [lm-sensors] " Ben Nizette
[not found] ` <1214537367.8462.157.camel-L9Ekdhw1/RnCa3F4uneLBw@public.gmane.org>
2008-06-27 9:45 ` Jonathan Cameron
2008-06-27 9:45 ` Jonathan Cameron
2008-06-27 9:45 ` Jonathan Cameron
[not found] ` <4864B6D6.3020509-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>
2008-06-28 8:34 ` Ben Nizette
2008-06-28 8:34 ` Ben Nizette
2008-06-28 8:34 ` Ben Nizette
[not found] ` <1214642057.4265.7.camel-L9Ekdhw1/RnCa3F4uneLBw@public.gmane.org>
2008-06-28 15:34 ` Jonathan Cameron
2008-06-28 15:34 ` Jonathan Cameron
2008-06-28 15:34 ` Jonathan Cameron
[not found] ` <4832A211.4040206-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2008-05-20 17:50 ` Accelerometer, Gyros and ADC's etc within the kernel mark gross
2008-05-20 17:50 ` mark gross
2008-05-20 17:50 ` [lm-sensors] Accelerometer, mark gross
[not found] ` <20080520175041.GA30909-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2008-05-21 9:40 ` Accelerometer, Gyros and ADC's etc within the kernel Jonathan Cameron
2008-05-21 9:40 ` [spi-devel-general] " Jonathan Cameron
2008-05-21 9:40 ` [lm-sensors] [spi-devel-general] Accelerometer, Jonathan Cameron
[not found] ` <4833EE22.80502-KWPb1pKIrIJaa/9Udqfwiw@public.gmane.org>
2008-05-27 15:43 ` Accelerometer, Gyros and ADC's etc within the kernel mark gross
2008-05-27 15:43 ` [spi-devel-general] " mark gross
2008-05-27 15:43 ` [lm-sensors] [spi-devel-general] Accelerometer, mark gross
[not found] ` <20080527154331.GA29868-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2008-05-29 11:57 ` Accelerometer, Gyros and ADC's etc within the kernel Jonathan Cameron
2008-05-29 11:57 ` [spi-devel-general] " Jonathan Cameron
2008-05-29 11:57 ` [lm-sensors] [spi-devel-general] Accelerometer, Jonathan Cameron
2008-05-22 0:53 ` Accelerometer, Gyros and ADC's etc within the kernel David Brownell
2008-05-22 0:53 ` David Brownell
2008-05-22 0:53 ` [lm-sensors] Accelerometer, David Brownell
2008-05-27 15:56 ` Accelerometer, Gyros and ADC's etc within the kernel mark gross
2008-05-27 15:56 ` [lm-sensors] Accelerometer, mark gross
[not found] ` <20080527155641.GB29868-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2008-05-27 23:42 ` Accelerometer, Gyros and ADC's etc within the kernel David Brownell
2008-05-27 23:42 ` David Brownell
2008-05-27 23:42 ` [lm-sensors] Accelerometer, David Brownell
2008-05-27 16:44 ` Accelerometer, Gyros and ADC's etc within the kernel Anton Vorontsov
2008-05-27 16:44 ` [spi-devel-general] " Anton Vorontsov
2008-05-27 16:44 ` [lm-sensors] [spi-devel-general] Accelerometer, Anton Vorontsov
2008-05-27 16:50 ` [spi-devel-general] Accelerometer, Gyros and ADC's etc within the kernel Ben Dooks
2008-05-27 16:50 ` [lm-sensors] [spi-devel-general] Accelerometer, Ben Dooks
2008-05-27 17:01 ` [spi-devel-general] Accelerometer, Gyros and ADC's etc within the kernel Anton Vorontsov
2008-05-27 17:01 ` [lm-sensors] [spi-devel-general] Accelerometer, Anton Vorontsov
[not found] ` <20080527165021.GA22585-SMNkleLxa3Z6Wcw2j4pizdi2O/JbrIOy@public.gmane.org>
2008-05-27 18:00 ` Accelerometer, Gyros and ADC's etc within the kernel Jonathan Cameron
2008-05-27 18:00 ` [spi-devel-general] " Jonathan Cameron
2008-05-27 18:00 ` [lm-sensors] [spi-devel-general] Accelerometer, Jonathan Cameron
[not found] ` <483C4C58.5080301-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2008-05-27 18:12 ` Accelerometer, Gyros and ADC's etc within the kernel Ben Dooks
2008-05-27 18:12 ` [spi-devel-general] " Ben Dooks
2008-05-27 18:12 ` [lm-sensors] [spi-devel-general] Accelerometer, Ben Dooks
[not found] ` <20080527164415.GA27584-PHTr8nzUCjejyJ0x5qLZdcN33GVbZNy3@public.gmane.org>
2008-05-27 17:59 ` Accelerometer, Gyros and ADC's etc within the kernel Jonathan Cameron
2008-05-27 17:59 ` [spi-devel-general] " Jonathan Cameron
2008-05-27 17:59 ` [lm-sensors] [spi-devel-general] Accelerometer, Jonathan Cameron
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