OpenWrt Forum Archive

Topic: USB Audio Device Problem

The content of this topic has been archived on 30 Apr 2018. There are no obvious gaps in this topic, but there may still be some posts missing at the end.

Hi,

      I want to add a usb audio device to mt openwrt. I attached the PCM2704 USB board to the device and install the below kernel modules. However, I can not see my devie when I type "lsusb"

-opkg install kmod-usb-uhci
-opkg install kmod-usb-ohci
-opkg install kmod-usb2
-opkg install kmod-usb-audio kmod-sound-core

    Can anybody help me ?

(Last edited by enkavak on 28 Aug 2017, 18:07)

Some hardware does not support a USB 1 device plugged directly to the port.  Try plugging in a USB 2 hub, check that it is detected, then plug your sound card into the hub.

Hi,

     It worked as you suggested. However, I need to change my default audio device as USB. How can I do that ?

root@mylinkit:/# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: I2S [MTK APSoC I2S], device 0: WMserious PCM wm8960-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: DAC [USB Audio DAC], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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