From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
To: Ben Hutchings <ben@decadent.org.uk>
Cc: Debian kernel maintainers <debian-kernel@lists.debian.org>,
alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com,
Mark Brown <broonie@linaro.org>
Subject: Re: ASoC: wm5110: Extend SYSCLK patch file for rev D
Date: Thu, 6 Mar 2014 09:32:47 +0000 [thread overview]
Message-ID: <20140306093247.GI8570@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1394070425.2861.35.camel@deadeye.wl.decadent.org.uk>
On Thu, Mar 06, 2014 at 01:47:05AM +0000, Ben Hutchings wrote:
> I'm looking at commit 34354792432b6e0a3b156819a1a19716c50d3473 and
> include/linux/mfd/arizona/registers.h, and wondering what exactly this
> the register patch is changing.
>
> It looks like there are some registers not named elsewhere (addresses
> 0x0049, 0x004a, 0x0057, 0x0058). What about the higher addresses? Are
> these more registers, or is this patching firmware in device memory?
These are all internal registers that we don't usually expose, in
the case of the Rev D some of these are not initialised to
optimum values by the hardware the patch provides better audio
performance and path transitions.
Thanks,
Charles
next prev parent reply other threads:[~2014-03-06 9:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-06 1:47 ASoC: wm5110: Extend SYSCLK patch file for rev D Ben Hutchings
2014-03-06 9:32 ` Charles Keepax [this message]
2014-03-06 12:20 ` Ben Hutchings
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