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

Charles Keepax ckeepax at opensource.wolfsonmicro.com
Thu Mar 6 10:32:47 CET 2014

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.


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