linux-kernel - Re: [PATCH 9/9] rtc-pcf2123: adjust the clock rate via sysfs

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Message-ID: <3618154.iGh6Vcis4K@jclayton-pc>
Date:	Wed, 18 Nov 2015 15:51:35 -0800
From:	Joshua Clayton <stillcompiling@...il.com>
To:	Alessandro Zummo <a.zummo@...ertech.it>
Cc:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 9/9] rtc-pcf2123: adjust the clock rate via sysfs

On Wednesday, November 04, 2015 07:36:40 AM Joshua Clayton wrote:
> pcf2123 has an offset register, which can be used to make minor
> adjustments to the clock rate to compensate for temperature or
> a crystal that is not exactly right.
> 
> The adjustment is calculated in parts per billion. The data sheet
> uses parts per million (as do some others), but with 2 digits of
> precision. Since floating point is forbidden, parts per billion is
> a better fit.
> 
> Add a pair of sysfs files to seetand retrieve the offset in ppm.
Bah.
I noticed a couple of typos in the last line of the commit message.
Will get rid of "in ppm" since it is not in ppm.
s/seetand/set and/

-- 
~Joshua Clayton
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