[alsa-devel] [PATCH 01/15] ASoC: CS42L51 and WM8962 codecs depend on INPUT

Brian Austin brian.austin at cirrus.com
Tue Apr 29 19:31:30 PDT 2014

On Tue, 29 Apr 2014, Xia Kaixu wrote:

> From: Arnd Bergmann <arnd at arndb.de>
> Building ARM randconfig got into a situation where CONFIG_INPUT
> is turned off and SND_SOC_ALL_CODECS is turned on, which failed
> for two codecs trying to use the input subsystem. Some other
> drivers also select one of these codecs and consequently need an
> explicit dependency added.

I assume you mean the CS42L52 instead of the L51. INPUT is used for a BEEP 
Generator but when I disable CONFIG_INPUT I do not get an error. Is there 
any information available on what the error is?

> Appending to the dependency list seems the easiest way out,
> since this is not a practical limitation. If anyone really
> needs to build these codecs for a kernel with no input support,
> a more sophisticated solution can be implemented.
It shouldn't build the BEEP code without CONFIG_INPUT enabled as you can 
use the CODEC without the BEEP enabled.

I believe the WM8962 is done the same way.


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