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From: Philippe De Muyter <phdm@macqel.be>
To: David Brownell <david-b@pacbell.net>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: RTC subsystem and fractions of seconds
Date: Sun, 7 Jan 2007 11:14:49 +0100	[thread overview]
Message-ID: <20070107101449.GA24163@ingate.macqel.be> (raw)
In-Reply-To: <200701051949.00662.david-b@pacbell.net>

On Fri, Jan 05, 2007 at 07:49:00PM -0800, David Brownell wrote:
> >  	Those rtc's actually have a 1/100th of second
> > register.  Should the generic rtc interface not support that?
> 
> Are you implying a new userspace API, or just an in-kernel update?
> 
> Either way, that raises the question of what other features should
> be included.  What sub-second precision?  Multiple alarms?  Ways
> to manage output clocks?  Sub-HZ periodic alarms?

One usefull addition for my needs and with a m41t81 is the support of
the calibration of the rtc.  However this can perhaps be hidden in the
.set_mmss function.

Philippe

-- 

  parent reply	other threads:[~2007-01-07 10:14 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-06  3:49 RTC subsystem and fractions of seconds David Brownell
2007-01-06 23:26 ` Philippe De Muyter
2007-01-06 23:52   ` David Brownell
2007-01-07  1:11     ` Hugh Dickins
2007-01-07  2:54       ` David Brownell
2007-01-07  9:43         ` Hugh Dickins
2007-01-07 10:02     ` Philippe De Muyter
2007-01-07 10:14 ` Philippe De Muyter [this message]
2007-01-08  2:10   ` David Brownell
2007-01-08 10:25     ` Philippe De Muyter
  -- strict thread matches above, loose matches on Subject: below --
2007-01-07 22:31 Philippe De Muyter
2007-01-06  2:29 Philippe De Muyter

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