Re: [alsa-devel] [PATCH] Revert "ASoC: core: replace aux_comp_list to component_dev_list"

From: Nikita Yushchenko
Date: Thu Dec 29 2016 - 11:20:54 EST

>> This reverts commit 1a653aa44725668590b36bbe2d7fe4736a69f055 ("ASoC:
>> core: replace aux_comp_list to component_dev_list").
>> That commit tries to remove card->aux_comp_list, using flagged entries
>> in card->component_dev_list instead.
>> However, components are added to card->component_dev_list in
>> soc_probe_component(), which is called for aux devices by
>> soc_probe_aux_devices(). Before that commit, it traversed
>> card->aux_comp_list and found aux devices added by soc_bind_aux_dev().
>> After that commit, it traverses card->component_dev_list and finds no
>> aux devices, because soc_probe_component() was not yet called for them.
>> Thus all aux devices are lost and any setup that needs them no longer
>> works.
> I think we can't simply revert that commit now, after commit
> 9178feb ASoC: add Component level suspend/resume
> component_dev_list is also used for the component level suspend/resume,
> if auxiliary devices would have been on a separate list they would be
> missed in the suspend/resume sequences.

I believe aux devices are on both lists.