linux usb audio没声音,ubuntu16.04安装后没有声音？

问题描述

安装完ubuntu16.04后，查看声音设置，貌似是原本笔记本用的驱动没有了，当前显示的这个是因为外接了显示器，如果把线拔掉，这里就空的了.

基础信息

1. uname

~$ uname -a

Linux xps 4.10.0-27-generic #30~16.04.2-Ubuntu SMP Thu Jun 29 16:07:46 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

2. ALSA

Your ALSA information is located at http://www.alsa-project.org/d…

[ 3.458154] USB Video Class driver (1.1.1)

[ 3.475260] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])

[ 3.484672] broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered

3. aplay

~$ aplay -l

List of PLAYBACK Hardware Devices

card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]

Subdevices: 1/1

Subdevice #0: subdevice #0

card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]

Subdevices: 1/1

Subdevice #0: subdevice #0

card 0: HDMI [HDA Intel HDMI], device 8: HDMI 2 [HDMI 2]

Subdevices: 1/1

Subdevice #0: subdevice #0

~lspci |grep Audio

00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)

不太懂，是rt286这个驱动没有安装么?　在网上找了一圈没有找到相关驱动的下载.

搜到一个bug，也没看到怎么解决.