[pulseaudio-discuss] What does "unknown" as a port availability status mean? And how do I get rid of it?

[Jordan Windsor]

Hello,
Here's the output of "pacmd list-sinks"

>>> list-sinks
1 sink(s) available.
  * index: 0
name: <alsa_output.pci-0000_00_1b.0.analog-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
DYNAMIC_LATENCY
state: RUNNING
suspend cause:
priority: 9959
volume: 0:  43% 1:  43%
       0: -21.78 dB 1: -21.78 dB
       balance 0.00
base volume: 100%
            0.00 dB
volume steps: 65537
muted: no
current latency: 2.17 ms
max request: 0 KiB
max rewind: 344 KiB
monitor source: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
            Stereo
used by: 1
linked by: 2
configured latency: 2.00 ms; range is 2.00 .. 2000.00 ms
card: 0 <alsa_card.pci-0000_00_1b.0>
module: 4
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "ALC888 Analog"
alsa.id = "ALC888 Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "HDA Intel"
alsa.long_card_name = "HDA Intel at 0xfbff8000 irq 45"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1b.0"
sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.name = "5 Series/3400 Series Chipset High Definition Audio"
device.form_factor = "internal"
device.string = "front:0"
device.buffering.buffer_size = "352800"
device.buffering.fragment_size = "176400"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Analog Stereo"
device.description = "Built-in Audio Analog Stereo"
alsa.mixer_name = "Realtek ALC888"
alsa.components = "HDA:10ec0888,1458a002,00100001"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
analog-output: Analog Output (priority 9900, available: unknown)
properties:
analog-output-headphones: Headphones (priority 9000, available: yes)
properties:
active port: <analog-output-headphones>

At the bottom you can see the "Analog Output" has it's available
status set to "unknown", what does this mean & how do I get rid of it?

Thanks.