[alsa-devel] ASoC: wm5110: Extend SYSCLK patch file for rev D

Ben Hutchings ben at decadent.org.uk
Thu Mar 6 13:20:20 CET 2014

On Thu, 2014-03-06 at 09:32 +0000, Charles Keepax wrote:
> 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.



Ben Hutchings
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