Anyone else have this problem?

After rebooting to kernel 4.2.6 I had no sound cards. Thought it might be card specific so I tried plugging in a USB Plantronics headset but nothing happened.

Audio device for reference:

00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
Subsystem: Gigabyte Technology Co., Ltd GA-MA770-DS3rev2.0 Motherboard
Flags: bus master, slow devsel, latency 32, IRQ 16
Memory at fe024000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel


Thanks,
Richard