[alsa-devel] [PATCH] ASoC: dapm: Add support for multi register mux

[Mark Brown]

On Fri, Apr 04, 2014 at 05:12:10PM -0700, Arun Shamanna Lakshmi wrote:
> 1. Modify soc_enum struct to handle pointers for reg and mask
> 2. Add dapm get and put APIs for multi register one hot encoded mux
> 3. Update snd_soc_dapm_update struct to support multiple reg update

If you've got several changes like this it's probably a sign that the
change ought to be split into a patch series.

I'm still not seeing any handling of the issues with having invalid
configurations written to the device during the process of carrying out
multi register updates; I did raise this with one of the earlier
versions but don't recall any response.

I also think I agree with Takashi on this one - trying to implement this
without adding an abstraction for the control values is making the code
more complex than it needs to be, all the conditional paths for _ONEHOT
aren't pretty (and don't use switches which is the usual idiom for this
stuff if it's not indirected via functions).
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