From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jonathan Cameron <jic23@cam.ac.uk>,
mingo@elte.hu, linux-kernel@vger.kernel.org,
Jonathan Cameron <jic23@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH RESEND] x86, intel_mid: ADC management
Date: Thu, 12 Apr 2012 18:53:13 +0100 [thread overview]
Message-ID: <20120412175313.GB18049@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <20120411133035.25fa00b0@pyramind.ukuu.org.uk>
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On Wed, Apr 11, 2012 at 01:30:35PM +0100, Alan Cox wrote:
> > needs to be abstracted as well. Consumers might not care that the gain
> > just doubled because someone else requested it, but I suspect many of them will.
> At the bottom layer I'd expect a second consumer of the same data to get
> -EBUSY, but you are then going to tell me there are ADCs with one gain
> control for several channels no doubt 8)
There's also some sensible use cases like the multiple system monitoring
subsystems we've got wanting to monitor the same power rail where it's
useful to have multiple consumers sharing the ADC, though with those
ones changing the gain probably doesn't make much sense.
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next prev parent reply other threads:[~2012-04-12 17:53 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-10 13:20 [PATCH RESEND] x86, intel_mid: ADC management Alan Cox
2012-04-10 13:12 ` Mark Brown
2012-04-10 13:25 ` Alan Cox
2012-04-10 13:33 ` Mark Brown
2012-04-10 13:42 ` Alan Cox
2012-04-10 14:07 ` Mark Brown
2012-04-10 14:15 ` Alan Cox
2012-04-10 15:19 ` Mark Brown
2012-04-10 16:56 ` Alan Cox
2012-04-10 17:58 ` Mark Brown
2012-04-10 19:39 ` Jonathan Cameron
2012-04-10 22:37 ` Mark Brown
2012-04-11 6:19 ` Jonathan Cameron
2012-04-11 6:19 ` Jonathan Cameron
2012-04-11 7:44 ` Jonathan Cameron
2012-04-11 15:38 ` Greg Kroah-Hartman
2012-04-11 16:30 ` Jonathan Cameron
2012-04-11 23:46 ` Greg Kroah-Hartman
2012-04-12 6:25 ` Jonathan Cameron
2012-04-11 10:24 ` Alan Cox
2012-04-11 10:38 ` Mark Brown
2012-04-11 10:48 ` Jonathan Cameron
2012-04-11 11:13 ` Alan Cox
2012-04-11 11:19 ` Jonathan Cameron
2012-04-11 12:30 ` Alan Cox
2012-04-11 12:55 ` Jonathan Cameron
2012-04-12 17:53 ` Mark Brown [this message]
2012-04-12 18:04 ` Mark Brown
2012-04-11 11:38 ` Jonathan Cameron
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