Dear all, I'm trying to share a low cost USB soundcard connected to my TPLink WR703n hosting my lastest custom OpenWRT image. The device is booting properly, no error displayed in the "dmesg" output and "lsusb" show the connected soundcard : /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=vhci_hcd/8p, 480M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-platform/1p, 480M | Port 1: Dev 2, If 0, Class=Audio, Driver=snd-usb-audio, 12M | Port 1: Dev 2, If 1, Class=Audio, Driver=snd-usb-audio, 12M...