Re: [PATCH v3 2/2] ASoC: msm8916: Add msm8916-wcd codec driver

From: Kenneth Westfield
Date: Wed Jun 15 2016 - 16:08:05 EST


On Wed, Jun 15, 2016 at 10:31:36AM +0100, Mark Brown wrote:
> On Wed, Jun 15, 2016 at 10:16:27AM +0100, Srinivas Kandagatla wrote:
> > On 14/06/16 16:59, Mark Brown wrote:
> > > On Fri, Jun 10, 2016 at 07:18:45PM +0100, Srinivas Kandagatla wrote:

> > In theory there are 3 devices,
> > one is the pmic-spmi driver, which provides regmap access to analog part of
> > codec registers.
> > second is syscon driver which provides regmap access to digital parts of
> > codec to codec driver.
> > third is the codec driver which uses both the above.
>
> > Codec registers range is just split into two, range 0x0- 0x200 sits in pmic
> > address space and range 0x201 - 0x4ff in the SOC address space,
>
> > Are there any other better ways to model this kinda driver?
>
> Why not just have separate devices for each of the register maps?

Srinivas,

Mark has a good point. Also, by having distinct devices and drivers;
you should make use of ASoC's supporting wrappers for regmap accesses.

--
Kenneth Westfield
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
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