[alsa-devel] [PATCH] ASoC: core: Fix snd_soc_add_card_controls to pass correct data
broonie at opensource.wolfsonmicro.com
Wed Feb 15 00:17:03 CET 2012
On Tue, Feb 14, 2012 at 03:56:33PM -0700, Stephen Warren wrote:
> Commit 022658b "ASoC: core: Add support for DAI and machine kcontrols."
> created new functions to create controls for cards, codecs, platforms,
> and DAIs. The new snd_soc_add_card_controls() passed the wrong "data" to
> utility function snd_soc_add_controls(); it should be passing a codec,
> but instead ended up passing the soc_card. Fix this.
Well, sort of. The idea with Liam's commit was to split things out so
that card operations got given a card so the argument change was
intentional. What's gone wrong is that things like PIN_SWITCH() (which
is only ever used by cards) weren't updated to match so they still
expect to find a CODEC there. This'll quite probably have broken some
other machine specific controls too.
I'll send a patch for PIN_SWITCH later today but it looks like we need
an audit of all the drivers using non-CODEC adds to make sure they don't
assume a CODEC in the callbacks.
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