Re: 5.5.y - apply "ASoC: intel/skl/hda - export number of digital microphones via control components"

[Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>]

On 3/4/20 1:06 PM, Mark Brown wrote:
> On Wed, Mar 04, 2020 at 12:50:54PM -0600, Pierre-Louis Bossart wrote:
> 
>>> This thread is the first suggestion I've seen that this is any kind of
>>> bug fix.  There's no Fixes tag and the patch description itself sounds
>>> like it's adding a new feature to enable new functionality in userspace
>>> (autodetection by UCM) and it was posted as part of a series "ASoC: SOF:
>>> initial cleanup for DT and multi-client support" which again doesn't
>>> give any indication that this might be supposed to be a bug fix.
> 
>> the initial patch came from Jaroslav on 11/26, not from me. Quoting your own
>> words:
> 
>> "Since Pierre seems happy with it even if he didn't ack it explicitly
>> I'll guess I'll apply it.  If git can figure out applying it after the
>> merge window and it doesn't get negative reviews there's no need to
>> resend.  If it can't and it doesn't turn up in a bigger series before
>> then I'll let you know.
>> "
> 
> Right, that's me saying I'll apply something that looks like normal
> development work after the merge window as with other normal development
> work (even Jaroslav's initial version was sent after the merge window
> opened), not that I'll apply it as a fix.  There's no hint in any of
> that thread or in your resend that this was anything other than a new
> feature, and indeed you were talking about wanting to integrate it with
> a series that you didn't want to see in v5.5.  Jaroslav mentioned not
> wanting to delay if it'd cause him to miss the merge window but didn't
> seem to complain when I said he'd missed it with his initial posting.

ok, I misunderstood your reply then. I thought you would provide it as 
an update for v5.5, thanks for the clarification

> Anyway, is my understanding correct that this is fixing a regression
> caused by switching the default to SOF?

This is fixing a regression on platforms that have digital microphones, 
where SOF is automatically selected by default. For platforms without 
DMICs, the legacy driver is still used and this patch has no effect.