Hi, I've got a Dell M4700 running Ubuntu linux 16.04, and the latest ALSA
driver, but I can't get the internal microphone to work.  I did have a USB
mic working, but not any more it seems...

My info is at
http://www.alsa-project.org/db/?f=7b6f1e4385080462a3da3e69d8d540f66595cde4
but I've included an extract below.

I guess its a mixer problem, but if anyone can give me a specific
suggestion as to what to try next, I'd really appreciate it.

thanks .. Jason


Kernel release:    4.8.0-49-generic

!!ALSA Version
!!------------

Driver version:     k4.8.0-49-generic
Library version:    1.1.0
Utilities version:  1.1.0


!!Loaded ALSA modules
!!-------------------

snd_hda_intel
snd_hda_intel


!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes


!!Soundcards recognised by ALSA
!!-----------------------------

 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf7730000 irq 32
 1 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xf6080000 irq 17


!!PCI Soundcards installed in the system
!!--------------------------------------

00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset
Family High Definition Audio Controller (rev 04)

01:00.1 Audio device: NVIDIA Corporation GK107 HDMI Audio Controller (rev
a1)
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