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From: Grzegorz Daniluk <g.daniluk@elproma.com.pl>
To: alsa-devel@alsa-project.org
Subject: Re: refreshing the reg cache in asoc driver
Date: Fri, 01 Oct 2010 12:08:29 +0200	[thread overview]
Message-ID: <4CA5B31D.706@elproma.com.pl> (raw)
In-Reply-To: <20100929175215.GC19087@sirena.org.uk>

Mark Brown wrote:
> Note that Dimitrios just posted a driver for this to the list earlier
> today, which is also available from opensource.wolfsonmicro.com.  It
> would be best to work with this driver.
>   
yes, I saw it later after sending my e-mail, I'll try using this one 
instead of my own.
>
> The bigger question would be why you want to refresh the register cache
> - normally this should not be required.  If you do need to do this it
> would be better to trigger the refresh off whatever event causes the
> register status in the CODEC to get out of sync.  If there are registers
> which report status which does change dynamically normally they
> shouldn't be cached at all but should instead be treated as volatile and
> read back from the CODEC at all times.
>   
Thanks a lot, I thought about it in the wrong way.

Greg

      reply	other threads:[~2010-10-01 10:08 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-29  9:43 refreshing the reg cache in asoc driver lin_g
2010-09-29 17:52 ` Mark Brown
2010-10-01 10:08   ` Grzegorz Daniluk [this message]

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