内置扬声器不工作。将外置扬声器插入插孔即可工作。我也有 Windows，它工作正常。
尝试了这里的大多数答案：Ubuntu 20.04——没有声音
系统：Linux archy-Lenovo-Legion-7-15IMHg05 5.4.0-42-generic #46-Ubuntu SMP 星期五 7 月 10 日 00:24:02 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
设备信息：
00:00.0 Host bridge: Intel Corporation Device 9b44 (rev 02)
Subsystem: Lenovo Device 380b
Flags: bus master, fast devsel, latency 0
Capabilities: [e0] Vendor Specific Information: Len=10 <?>
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16) (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 122
Bus: primary=00, secondary=01, subordinate=05, sec-latency=0
I/O behind bridge: 00004000-00004fff [size=4K]
Memory behind bridge: b4000000-b60fffff [size=33M]
Prefetchable memory behind bridge: 00000000a0000000-00000000b20fffff [size=289M]
Capabilities: [88] Subsystem: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor PCIe Controller (x16)
Capabilities: [80] Power Management version 3
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [a0] Express Root Port (Slot+), MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [140] Root Complex Link
Capabilities: [d94] Secondary PCI Express
Kernel driver in use: pcieport
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 3fd1
Flags: bus master, fast devsel, latency 0, IRQ 185
Memory at b3000000 (64-bit, non-prefetchable) [size=16M]
Memory at 90000000 (64-bit, prefetchable) [size=256M]
I/O ports at 5000 [size=64]
Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
Capabilities: [40] Vendor Specific Information: Len=0c <?>
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [100] Process Address Space ID (PASID)
Capabilities: [200] Address Translation Service (ATS)
Capabilities: [300] Page Request Interface (PRI)
Kernel driver in use: i915
Kernel modules: i915
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02)
Subsystem: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at b2690000 (64-bit, non-prefetchable) [size=32K]
Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 3
Capabilities: [e0] Vendor Specific Information: Len=0c <?>
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
Subsystem: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at b26a2000 (64-bit, non-prefetchable) [size=4K]
Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
Capabilities: [dc] Power Management version 2
Capabilities: [f0] PCI Advanced Features
00:12.0 Signal processing controller: Intel Corporation Comet Lake PCH Thermal Controller
Subsystem: Lenovo Device 3838
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at b26a3000 (64-bit, non-prefetchable) [size=4K]
Capabilities: [50] Power Management version 3
Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit-
Kernel driver in use: intel_pch_thermal
Kernel modules: intel_pch_thermal
00:14.0 USB controller: Intel Corporation Comet Lake USB 3.1 xHCI Host Controller (prog-if 30 [XHCI])
Subsystem: Lenovo Device 3834
Flags: bus master, medium devsel, latency 0, IRQ 129
Memory at b2680000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [70] Power Management version 2
Capabilities: [80] MSI: Enable+ Count=1/8 Maskable- 64bit+
Capabilities: [90] Vendor Specific Information: Len=14 <?>
Kernel driver in use: xhci_hcd
00:14.2 RAM memory: Intel Corporation Comet Lake PCH Shared SRAM
Subsystem: Lenovo Device 3835
Flags: bus master, fast devsel, latency 0
Memory at b26a0000 (64-bit, non-prefetchable) [size=8K]
Memory at b26a4000 (64-bit, non-prefetchable) [size=4K]
Capabilities: [80] Power Management version 3
00:14.3 Network controller: Intel Corporation Wi-Fi 6 AX201
Subsystem: Intel Corporation Device 0074
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at b2698000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [40] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [80] MSI-X: Enable+ Count=16 Masked-
Capabilities: [100] Latency Tolerance Reporting
Capabilities: [164] Vendor Specific Information: ID=0010 Rev=0 Len=014 <?>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
00:15.0 Serial bus controller [0c80]: Intel Corporation Comet Lake PCH Serial IO I2C Controller #0
Subsystem: Lenovo Device 3830
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at 89c00000 (64-bit, non-prefetchable) [virtual] [size=4K]
Capabilities: [80] Power Management version 3
Capabilities: [90] Vendor Specific Information: Len=14 <?>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:15.1 Serial bus controller [0c80]: Intel Corporation Comet Lake PCH Serial IO I2C Controller #1
Subsystem: Lenovo Device 3831
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at 89c01000 (64-bit, non-prefetchable) [virtual] [size=4K]
Capabilities: [80] Power Management version 3
Capabilities: [90] Vendor Specific Information: Len=14 <?>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:16.0 Communication controller: Intel Corporation Comet Lake HECI Controller
Subsystem: Lenovo Device 382a
Flags: bus master, fast devsel, latency 0, IRQ 168
Memory at b26a7000 (64-bit, non-prefetchable) [size=4K]
Capabilities: [50] Power Management version 3
Capabilities: [8c] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [a4] Vendor Specific Information: Len=14 <?>
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1b.0 PCI bridge: Intel Corporation Comet Lake PCI Express Root Port #17 (rev f0) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 123
Bus: primary=00, secondary=06, subordinate=3f, sec-latency=0
I/O behind bridge: 00006000-00007fff [size=8K]
Memory behind bridge: b2400000-b25fffff [size=2M]
Prefetchable memory behind bridge: 0000000089800000-0000000089bfffff [size=4M]
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Intel Corporation Comet Lake PCI Express Root Port #17
Capabilities: [a0] Power Management version 3
Capabilities: [100] Null
Capabilities: [140] Access Control Services
Capabilities: [150] Precision Time Measurement
Capabilities: [220] Secondary PCI Express
Capabilities: [250] Downstream Port Containment
Kernel driver in use: pcieport
00:1d.0 PCI bridge: Intel Corporation Comet Lake PCI Express Root Port #9 (rev f0) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 124
Bus: primary=00, secondary=40, subordinate=40, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: b2300000-b23fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Intel Corporation Comet Lake PCI Express Root Port #9
Capabilities: [a0] Power Management version 3
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Access Control Services
Capabilities: [150] Precision Time Measurement
Capabilities: [200] L1 PM Substates
Capabilities: [220] Secondary PCI Express
Capabilities: [250] Downstream Port Containment
Kernel driver in use: pcieport
00:1d.5 PCI bridge: Intel Corporation Device 06b5 (rev f0) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 125
Bus: primary=00, secondary=41, subordinate=41, sec-latency=0
I/O behind bridge: 00003000-00003fff [size=4K]
Memory behind bridge: b2200000-b22fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: [40] Express Root Port (Slot+), MSI 00
Capabilities: [80] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [90] Subsystem: Intel Corporation Device 06b5
Capabilities: [a0] Power Management version 3
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Access Control Services
Capabilities: [150] Precision Time Measurement
Capabilities: [200] L1 PM Substates
Capabilities: [220] Secondary PCI Express
Capabilities: [250] Downstream Port Containment
Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation Comet Lake LPC Controller
Subsystem: Lenovo Device 3801
Flags: bus master, medium devsel, latency 0
00:1f.3 Audio device: Intel Corporation Comet Lake PCH cAVS (prog-if 80)
Subsystem: Lenovo Device 3826
Flags: bus master, fast devsel, latency 32, IRQ 186
Memory at b269c000 (64-bit, non-prefetchable) [size=16K]
Memory at b2100000 (64-bit, non-prefetchable) [size=1M]
Capabilities: [50] Power Management version 3
Capabilities: [80] Vendor Specific Information: Len=14 <?>
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel, snd_sof_pci
00:1f.4 SMBus: Intel Corporation Comet Lake PCH SMBus Controller
Subsystem: Lenovo Device 3804
Flags: medium devsel, IRQ 16
Memory at b26a8000 (64-bit, non-prefetchable) [size=256]
I/O ports at efa0 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
00:1f.5 Serial bus controller [0c80]: Intel Corporation Comet Lake PCH SPI Controller
Subsystem: Lenovo Device 3805
Flags: bus master, fast devsel, latency 0
Memory at fe010000 (32-bit, non-prefetchable) [size=4K]
01:00.0 VGA compatible controller: NVIDIA Corporation Device 1f55 (rev a1) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 3fd1
Flags: bus master, fast devsel, latency 0, IRQ 187
Memory at b5000000 (32-bit, non-prefetchable) [size=16M]
Memory at a0000000 (64-bit, prefetchable) [size=256M]
Memory at b0000000 (64-bit, prefetchable) [size=32M]
I/O ports at 4000 [size=128]
Expansion ROM at b4000000 [virtual] [disabled] [size=512K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Legacy Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [250] Latency Tolerance Reporting
Capabilities: [258] L1 PM Substates
Capabilities: [128] Power Budgeting <?>
Capabilities: [420] Advanced Error Reporting
Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1 Len=024 <?>
Capabilities: [900] Secondary PCI Express
Capabilities: [bb0] Resizable BAR <?>
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
01:00.1 Audio device: NVIDIA Corporation TU106 High Definition Audio Controller (rev a1)
Subsystem: Lenovo TU106 High Definition Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at b6000000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [60] Power Management version 3
Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
01:00.2 USB controller: NVIDIA Corporation TU106 USB 3.1 Host Controller (rev a1) (prog-if 30 [XHCI])
Subsystem: Lenovo TU106 USB 3.1 Host Controller
Flags: fast devsel, IRQ 130
Memory at b2000000 (64-bit, prefetchable) [size=256K]
Memory at b2040000 (64-bit, prefetchable) [size=64K]
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [b4] Power Management version 3
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: xhci_hcd
01:00.3 Serial bus controller [0c80]: NVIDIA Corporation TU106 USB Type-C UCSI Controller (rev a1)
Subsystem: Lenovo TU106 USB Type-C UCSI Controller
Flags: bus master, fast devsel, latency 0, IRQ 132
Memory at b6004000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [68] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [78] Express Endpoint, MSI 00
Capabilities: [b4] Power Management version 3
Capabilities: [100] Advanced Error Reporting
Kernel driver in use: nvidia-gpu
Kernel modules: i2c_nvidia_gpu
06:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018] (rev 06) (prog-if 00 [Normal decode])
Physical Slot: 16
Flags: bus master, fast devsel, latency 0, IRQ 16
Bus: primary=06, secondary=07, subordinate=3f, sec-latency=0
I/O behind bridge: 00006000-00006fff [size=4K]
Memory behind bridge: b2400000-b25fffff [size=2M]
Prefetchable memory behind bridge: 0000000089800000-0000000089afffff [size=3M]
Capabilities: [80] Power Management version 3
Capabilities: [88] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [ac] Subsystem: Lenovo JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018]
Capabilities: [c0] Express Upstream Port, MSI 00
Capabilities: [50] Capability ID 0x15 [0000]
Capabilities: [100] Device Serial Number 1c-b6-38-00-43-b3-02-00
Capabilities: [200] Advanced Error Reporting
Capabilities: [300] Virtual Channel
Capabilities: [400] Power Budgeting <?>
Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=100 <?>
Capabilities: [600] Vendor Specific Information: ID=8086 Rev=2 Len=04c <?>
Capabilities: [700] Secondary PCI Express
Capabilities: [800] Latency Tolerance Reporting
Capabilities: [a00] L1 PM Substates
Capabilities: [b00] Precision Time Measurement
Kernel driver in use: pcieport
07:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018] (rev 06) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 126
Bus: primary=07, secondary=08, subordinate=08, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: b2500000-b25fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: [80] Power Management version 3
Capabilities: [88] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [ac] Subsystem: Lenovo JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018]
Capabilities: [c0] Express Downstream Port (Slot+), MSI 00
Capabilities: [50] Capability ID 0x15 [0000]
Capabilities: [100] Device Serial Number 1c-b6-38-00-43-b3-02-00
Capabilities: [200] Advanced Error Reporting
Capabilities: [300] Virtual Channel
Capabilities: [400] Power Budgeting <?>
Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=100 <?>
Capabilities: [600] Vendor Specific Information: ID=8086 Rev=2 Len=04c <?>
Capabilities: [700] Secondary PCI Express
Capabilities: [900] Access Control Services
Kernel driver in use: pcieport
07:01.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018] (rev 06) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 127
Bus: primary=07, secondary=09, subordinate=3e, sec-latency=0
I/O behind bridge: 00006000-00006fff [size=4K]
Memory behind bridge: [disabled]
Prefetchable memory behind bridge: 0000000089800000-00000000899fffff [size=2M]
Capabilities: [80] Power Management version 3
Capabilities: [88] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [ac] Subsystem: Lenovo JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018]
Capabilities: [c0] Express Downstream Port (Slot+), MSI 00
Capabilities: [50] Capability ID 0x15 [0000]
Capabilities: [100] Device Serial Number 1c-b6-38-00-43-b3-02-00
Capabilities: [200] Advanced Error Reporting
Capabilities: [300] Virtual Channel
Capabilities: [400] Power Budgeting <?>
Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=100 <?>
Capabilities: [600] Vendor Specific Information: ID=8086 Rev=2 Len=04c <?>
Capabilities: [700] Secondary PCI Express
Capabilities: [900] Access Control Services
Kernel driver in use: pcieport
07:02.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018] (rev 06) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 128
Bus: primary=07, secondary=3f, subordinate=3f, sec-latency=0
I/O behind bridge: [disabled]
Memory behind bridge: b2400000-b24fffff [size=1M]
Prefetchable memory behind bridge: [disabled]
Capabilities: [80] Power Management version 3
Capabilities: [88] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [ac] Subsystem: Lenovo JHL7540 Thunderbolt 3 Bridge [Titan Ridge 2C 2018]
Capabilities: [c0] Express Downstream Port (Slot+), MSI 00
Capabilities: [50] Capability ID 0x15 [0000]
Capabilities: [100] Device Serial Number 1c-b6-38-00-43-b3-02-00
Capabilities: [200] Advanced Error Reporting
Capabilities: [300] Virtual Channel
Capabilities: [400] Power Budgeting <?>
Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=100 <?>
Capabilities: [600] Vendor Specific Information: ID=8086 Rev=2 Len=04c <?>
Capabilities: [700] Secondary PCI Express
Capabilities: [900] Access Control Services
Kernel driver in use: pcieport
08:00.0 System peripheral: Intel Corporation JHL7540 Thunderbolt 3 NHI [Titan Ridge 2C 2018] (rev 06)
Subsystem: Lenovo JHL7540 Thunderbolt 3 NHI [Titan Ridge 2C 2018]
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at b2500000 (32-bit, non-prefetchable) [size=256K]
Memory at b2540000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [80] Power Management version 3
Capabilities: [88] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [c0] Express Endpoint, MSI 00
Capabilities: [a0] MSI-X: Enable+ Count=16 Masked-
Capabilities: [100] Device Serial Number 1c-b6-38-00-43-b3-02-00
Capabilities: [200] Advanced Error Reporting
Capabilities: [300] Virtual Channel
Capabilities: [400] Power Budgeting <?>
Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=100 <?>
Capabilities: [600] Latency Tolerance Reporting
Kernel driver in use: thunderbolt
Kernel modules: thunderbolt
3f:00.0 USB controller: Intel Corporation JHL7540 Thunderbolt 3 USB Controller [Titan Ridge 2C 2018] (rev 06) (prog-if 30 [XHCI])
Subsystem: Lenovo JHL7540 Thunderbolt 3 USB Controller [Titan Ridge 2C 2018]
Flags: fast devsel, IRQ 131
Memory at b2400000 (32-bit, non-prefetchable) [size=64K]
Capabilities: [80] Power Management version 3
Capabilities: [88] MSI: Enable+ Count=1/8 Maskable- 64bit+
Capabilities: [c0] Express Endpoint, MSI 00
Capabilities: [100] Device Serial Number 1c-b6-38-00-43-b3-02-00
Capabilities: [200] Advanced Error Reporting
Capabilities: [300] Virtual Channel
Capabilities: [400] Power Budgeting <?>
Capabilities: [500] Vendor Specific Information: ID=1234 Rev=1 Len=100 <?>
Capabilities: [600] Vendor Specific Information: ID=8086 Rev=2 Len=04c <?>
Capabilities: [700] Secondary PCI Express
Capabilities: [800] Latency Tolerance Reporting
Kernel driver in use: xhci_hcd
40:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983 (prog-if 02 [NVM Express])
Subsystem: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983
Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0
Memory at b2300000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/32 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 00
Capabilities: [b0] MSI-X: Enable+ Count=33 Masked-
Capabilities: [100] Advanced Error Reporting
Capabilities: [148] Device Serial Number 00-00-00-00-00-00-00-00
Capabilities: [158] Power Budgeting <?>
Capabilities: [168] Secondary PCI Express
Capabilities: [188] Latency Tolerance Reporting
Capabilities: [190] L1 PM Substates
Kernel driver in use: nvme
Kernel modules: nvme
41:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
Flags: bus master, fast devsel, latency 0, IRQ 17
I/O ports at 3000 [size=256]
Memory at b2204000 (64-bit, non-prefetchable) [size=4K]
Memory at b2200000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 01
Capabilities: [b0] MSI-X: Enable+ Count=4 Masked-
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
Capabilities: [160] Device Serial Number 01-00-00-00-68-4c-e0-00
Capabilities: [170] Latency Tolerance Reporting
Capabilities: [178] L1 PM Substates
Kernel driver in use: r8169
Kernel modules: r8169
*-multimedia
description: Audio device
product: TU106 High Definition Audio Controller
vendor: NVIDIA Corporation
physical id: 0.1
bus info: pci@0000:01:00.1
version: a1
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=snd_hda_intel latency=0
resources: irq:17 memory:b6000000-b6003fff
*-usb:0
description: Audio device
product: Avantree CF3001
vendor: FongLun
physical id: 1
bus info: usb@1:1
version: 1.00
serial: 201605
capabilities: usb-1.10 audio-control
configuration: driver=usbhid maxpower=100mA speed=12Mbit/s
*-usb:4
description: Video
product: Integrated Camera
vendor: Sonix Technology Co., Ltd.
physical id: 6
bus info: usb@1:6
version: 0.22
capabilities: usb-2.01
configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s
*-multimedia
description: Audio device
product: Comet Lake PCH cAVS
vendor: Intel Corporation
physical id: 1f.3
bus info: pci@0000:00:1f.3
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=snd_hda_intel latency=32
resources: irq:186 memory:b269c000-b269ffff memory:b2100000-b21fffff
完整的 alsa 信息:http://alsa-project.org/db/?f=cb1223dcccf369296e5b2bd71db610e497bd7232