我有 Gigabyte B560 AORUS MB。我将耳机连接到前面板（带模拟插孔连接器），但它们不起作用。在声音面板中，一切似乎都正确：
。
我的alplay -l输出是：
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 1: Audio [USB Audio], device 0: USB Audio [USB Audio]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 1: Audio [USB Audio], device 1: USB Audio [USB Audio #1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Audio [USB Audio], device 2: USB Audio [USB Audio #2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Audio [USB Audio], device 3: USB Audio [USB Audio #3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 11: HDMI 5 [HDMI 5]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: NVidia [HDA NVidia], device 12: HDMI 6 [HDMI 6]
Subdevices: 1/1
Subdevice #0: subdevice #0
和pacmd list-sinks：
2 sink(s) available.
index: 0
name: <alsa_output.pci-0000_01_00.1.hdmi-stereo-extra1>
driver: <module-alsa-card.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 9030
volume: front-left: 65536 / 100% / 0,00 dB, front-right: 65536 / 100% / 0,00 dB
balance 0,00
base volume: 65536 / 100% / 0,00 dB
volume steps: 65537
muted: no
current latency: 0,00 ms
max request: 0 KiB
max rewind: 0 KiB
monitor source: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
configured latency: 0,00 ms; range is 0,50 .. 1999,82 ms
card: 0 <alsa_card.pci-0000_01_00.1>
module: 7
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "HDMI 1"
alsa.id = "HDMI 1"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "7"
alsa.card = "2"
alsa.card_name = "HDA NVidia"
alsa.long_card_name = "HDA NVidia at 0x53080000 irq 17"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:01:00.1"
sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card2"
device.bus = "pci"
device.vendor.id = "10de"
device.vendor.name = "NVIDIA Corporation"
device.product.id = "228e"
device.string = "hdmi:2,1"
device.buffering.buffer_size = "352768"
device.buffering.fragment_size = "176384"
device.access_mode = "mmap+timer"
device.profile.name = "hdmi-stereo-extra1"
device.profile.description = "Digital Stereo (HDMI 2)"
device.description = "HDA NVidia Digital Stereo (HDMI 2)"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: yes)
properties:
device.icon_name = "video-display"
device.product.name = "Q27G2WG4
"
active port: <hdmi-output-1>
* index: 3
name: <alsa_output.usb-Generic_USB_Audio-00.analog-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: RUNNING
suspend cause: (none)
priority: 9049
volume: front-left: 46420 / 71% / -8,99 dB, front-right: 46420 / 71% / -8,99 dB
balance 0,00
base volume: 65536 / 100% / 0,00 dB
volume steps: 65537
muted: no
current latency: 26,04 ms
max request: 4 KiB
max rewind: 4 KiB
monitor source: 6
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 1
linked by: 1
configured latency: 23,22 ms; range is 0,50 .. 2000,00 ms
card: 1 <alsa_card.usb-Generic_USB_Audio-00>
module: 8
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "USB Audio"
alsa.id = "USB Audio"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "1"
alsa.card_name = "USB Audio"
alsa.long_card_name = "Generic USB Audio at usb-0000:00:14.0-9, high speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:14.0-usb-0:9:1.0"
sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/sound/card1"
udev.id = "usb-Generic_USB_Audio-00"
device.bus = "usb"
device.vendor.id = "0414"
device.vendor.name = "Giga-Byte Technology Co., Ltd"
device.product.id = "a010"
device.product.name = "USB Audio"
device.serial = "Generic_USB_Audio"
device.string = "front:1"
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 = "USB Audio Analog Stereo"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
ports:
analog-output-speaker: Speakers (priority 10000, latency offset 0 usec, available: no)
properties:
device.icon_name = "audio-speakers"
analog-output-headphones: Headphones (priority 9900, latency offset 0 usec, available: yes)
properties:
device.icon_name = "audio-headphones"
active port: <analog-output-headphones>
但有趣的是，它alsamixer似乎不包含前面板通道：
我该如何解决这个问题？