[alsa-devel] No speaker output with kernel 3.15 and later

[Steven Newbury]

I sent Takashi an email mentioning this regression a month ago, and 
it's taken me this long to send this email... :-$

Since updating to kernel versions >=3.15 I've had no audio from my 
laptop speakers.  Earlier versions worked fine.

It's a CLEVO W270EUQ laptop.  The output mixer device is showing up, 
but no sound comes out at any volume level.

As requested I've attached compressed alsa-info.sh output for both the 
working and non-working cases.

I'm perfectly willing to test patches etc.

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