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

Liam Girdwood lrg at slimlogic.co.uk
Thu Mar 18 09:48:15 CET 2010

On Thu, 2010-03-18 at 16:16 +0800, Barry Song wrote:
> This patch extends ad1938 codec driver to support ad1936/7/8/9,
> ad1936/7 use i2c bus, ad1938/9 use spi bus.
> The driver is splitted into three:
> ad193x.h and ad193x.c: common codec driver
> ad193x-spi.c: ad193x codec spi driver
> ad193x-i2c.c: ad193x codec i2c driver

Is the new common driver code the same as the original driver minus any
I2C/SPI changes ? It's difficult to see if anything else has been

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.



Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.

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