[alsa-devel] [PATCH 1/4] extend ad1938 codec driver to ad193x supporting ad1936/7/8/9

[Mark Brown]

On Thu, Mar 18, 2010 at 05:08:01PM +0800, Barry Song wrote:
> On Thu, Mar 18, 2010 at 4:48 PM, Liam Girdwood <lrg at slimlogic.co.uk> wrote:

> > Btw, have a look at wm8731.c. This driver supports both I2C and SPI and
> > is less churn than splitting out the code into three files.

> We have many discussion about a driver to support both spi and i2c in
> another device(ad714x). At the beginning, the way in wm8731.c is used,
> then after many comments, people agree splitting the driver to three
> modules is the best way. If you are interested in it, you may take a
> look at "input/misc: add Analog Devices AD714x captouch input driver"
> in linux-input maillist.

This was a discussion for the input subsystem and what makes sense here.
For ASoC we've been using the approach that WM8731 and other similar
drivers are using, please follow that approach with ASoC drivers.
Adding files per driver per bus type isn't helpful here.