未检测到麦克风 - Ubuntu 19.10，笔记本电脑 HP Envy 13，声音设备 Realtek ALC285

Question

我刚刚在 HP Envy 13 笔记本电脑上安装了 19.10（内核 5.3）。除了内置麦克风之外，其他一切都运行正常。内置麦克风根本检测不到。有什么解决方法吗？

lspci -v关于声卡的输出：

00:1f.3 Multimedia audio controller: Intel Corporation Device 02c8
    Subsystem: Hewlett-Packard Company Device 86ad
    Flags: bus master, fast devsel, latency 32, IRQ 149
    Memory at b511c000 (64-bit, non-prefetchable) [size=16K]
    Memory at b5000000 (64-bit, non-prefetchable) [size=1M]
    Capabilities: <access denied>
    Kernel driver in use: snd_hda_intel
    Kernel modules: snd_hda_intel, snd_soc_skl, sof_pci_dev

我的 cat 输出/proc/asound/card0/pcm0c/info

card: 0
device: 0
subdevice: 0
stream: CAPTURE
id: ALC285 Analog
name: ALC285 Analog
subname: subdevice #0
class: 0
subclass: 0
subdevices_count: 1
subdevices_avail: 1

编辑：这是我的 alsa 信息：http://alsa-project.org/db/?f=f786d8df6b4dd9bbcada3bdc22e1f59210187364