Audio capturing not working

[A.J. Bonnema]

On 06-03-15 08:58, Phil wrote:
> Thank you for reading this.
>
> I have a scheduled Skype session and for some unknown reason audio 
> capturing is not working. It has worked without any problems in the past.
>
> Kmixer reports "Nothing is capturing audio" and under System Settings 
> -> Audio and Video Settings, the "built-in Audio Analog Stereo" icon 
> is greyed out.
>
> As I say, this has worked flawlessly in the recent past.
>
> Any suggestions on how to get this working again will be greatly 
> appreciated.
>
What changed? This should indicate where to look.