USB sound card not detected

[Miro]

I'm trying to use earphone+mic: Koss CS/100 USB which has been working fine until a month ago.
All of sudden it doesn't list in the devices. The earphones works on other system (windows) fine.

I see this in the dmesg when it's plugged in:

[ 5057.286942] usb 1-7.4: new full-speed USB device number 22 using xhci_hcd
[ 5057.359006] usb 1-7.4: device descriptor read/64, error -32
[ 5057.535048] usb 1-7.4: device descriptor read/64, error -32
[ 5057.711027] usb 1-7.4: new full-speed USB device number 23 using xhci_hcd
[ 5057.783036] usb 1-7.4: device descriptor read/64, error -32
[ 5057.958967] usb 1-7.4: device descriptor read/64, error -32
[ 5058.134906] usb 1-7.4: new full-speed USB device number 24 using xhci_hcd
[ 5058.135027] usb 1-7.4: Device not responding to setup address.
[ 5058.339050] usb 1-7.4: Device not responding to setup address.
[ 5058.542862] usb 1-7.4: device not accepting address 24, error -71
[ 5058.614858] usb 1-7.4: new full-speed USB device number 25 using xhci_hcd
[ 5058.615020] usb 1-7.4: Device not responding to setup address.
[ 5058.818942] usb 1-7.4: Device not responding to setup address.
[ 5059.022808] usb 1-7.4: device not accepting address 25, error -71
[ 5059.022873] usb 1-7-port4: unable to enumerate USB device

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-45.66-generic 4.4.21
Uname: Linux 4.4.0-45-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: miro 1801 F.... pulseaudio
 /dev/snd/controlC1: miro 1801 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Nov 2 16:43:11 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-11-11 (356 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: USB sound card not detected
UpgradeStatus: Upgraded to xenial on 2016-11-02 (0 days ago)
dmi.bios.date: 09/08/2015
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MM71.88Z.0220.B06.1509081252
dmi.board.asset.tag: Base Board Asset Tag#
dmi.board.name: Mac-35C5E08120C7EEAF
dmi.board.vendor: Apple Inc.
dmi.board.version: Macmini7,1
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-35C5E08120C7EEAF
dmi.modalias: dmi:bvnAppleInc.:bvrMM71.88Z.0220.B06.1509081252:bd09/08/2015:svnAppleInc.:pnMacmini7,1:pvr1.0:rvnAppleInc.:rnMac-35C5E08120C7EEAF:rvrMacmini7,1:cvnAppleInc.:ct10:cvrMac-35C5E08120C7EEAF:
dmi.product.name: Macmini7,1
dmi.product.version: 1.0
dmi.sys.vendor: Apple Inc.