Salut, 

gràcies Josep. 

He prova una devian live i una ubuntu, i no em funciona ni el micro, ni
el micro que endollo. Entenc que deu ser problema de la targeta de so
amb la captura. 

# lspci | grep Audio
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset
Family High Definition Audio Controller (rev 04) 

# lspci -v -s 00:1b.0
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset
Family High Definition Audio Controller (rev 04)
Subsystem: Lenovo 6 Series/C200 Series Chipset Family High Definition
Audio Controller
Flags: bus master, fast devsel, latency 0, IRQ 34
Memory at f2520000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel
Capabilities: [130] Root Complex Link
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel 

I deixo un tros de la sortida de 

alsa-info 

upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.64
!!################################ 

!!Script ran on: Wed Mar 25 16:43:03 UTC 2020 

!!Linux Distribution
!!------------------ 

Debian GNU/Linux 10 \n \l PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/";
SUPPORT_URL="https://www.debian.org/support";
BUG_REPORT_URL="https://bugs.debian.org/"; 

!!DMI Information
!!--------------- 

Manufacturer: LENOVO
Product Name: 4291CV3
Product Version: ThinkPad X220
Firmware Version: 8DET56WW (1.26 )
Board Vendor: LENOVO
Board Name: 4291CV3 

!!ACPI Device Status Information
!!--------------- 

/sys/bus/acpi/devices/ACPI0003:00/status 15
/sys/bus/acpi/devices/LEN0068:00/status 15
/sys/bus/acpi/devices/LNXPOWER:00/status 1
/sys/bus/acpi/devices/LNXVIDEO:01/status 15
/sys/bus/acpi/devices/PNP0103:00/status 15
/sys/bus/acpi/devices/PNP0C0A:00/status 31
/sys/bus/acpi/devices/PNP0C0F:00/status 9
/sys/bus/acpi/devices/PNP0C0F:01/status 9
/sys/bus/acpi/devices/PNP0C0F:02/status 9
/sys/bus/acpi/devices/PNP0C0F:03/status 9
/sys/bus/acpi/devices/PNP0C0F:04/status 9
/sys/bus/acpi/devices/PNP0C0F:05/status 9
/sys/bus/acpi/devices/PNP0C0F:06/status 9
/sys/bus/acpi/devices/PNP0C0F:07/status 9
/sys/bus/acpi/devices/SMO1200:00/status 15 

!!Kernel Information
!!------------------ 

Kernel release: 5.4.0-0.bpo.4-amd64
Operating System: GNU/Linux
Architecture: x86_64
Processor: unknown
SMP Enabled: Yes 

!!ALSA Version
!!------------ 

Driver version: k5.4.0-0.bpo.4-amd64
Library version: 1.1.8
Utilities version: 1.1.8 

!!Loaded ALSA modules
!!------------------- 

snd_hda_intel 

!!Sound Servers on this system
!!---------------------------- 

Pulseaudio:
Installed - Yes (/usr/bin/pulseaudio)
Running - Yes 

!!Soundcards recognised by ALSA
!!----------------------------- 

0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xf2520000 irq 34 

!!PCI Soundcards installed in the system
!!-------------------------------------- 

00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset
Family High Definition Audio Controller (rev 04) 

!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!------------------------------------------------------- 

00:1b.0 0403: 8086:1c20 (rev 04)
Subsystem: 17aa:21da 

!!Modprobe options (Sound related)
!!-------------------------------- 

snd_pcsp: index=-2
snd_usb_audio: index=-2
snd_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_hda_intel: model=auto 

!!HDA-Intel Codec information
!!---------------------------
--startcollapse-- 

Codec: Conexant CX20590
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x14f1506e
Subsystem Id: 0x17aa21da
Revision Id: 0x100003 

!!Aplay/Arecord output
!!-------------------- 

APLAY 

**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CX20590 Analog [CX20590 Analog]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0 

ARECORD 

**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CX20590 Analog [CX20590 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0 

!!Amixer output
!!------------- 

!!-------Mixer controls for card 0 [PCH] 

Card hw:0 'PCH'/'HDA Intel PCH at 0xf2520000 irq 34'
Mixer name : 'Conexant CX20590'
Components : 'HDA:14f1506e,17aa21da,00100003
HDA:80862805,80860101,00100000'
Controls : 45
Simple ctrls : 14
Simple mixer control 'Master',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 74
Mono: Playback 68 [92%] [-6.00dB] [on]
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 74
Mono:
Front Left: Playback 0 [0%] [-74.00dB] [off]
Front Right: Playback 0 [0%] [-74.00dB] [off]
Simple mixer control 'Speaker',0
Capabilities: pvolume pswitch
Playback channels: Front Left - Front Right
Limits: Playback 0 - 74
Mono:
Front Left: Playback 74 [100%] [0.00dB] [on]
Front Right: Playback 74 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
Capabilities: pvolume
Playback channels: Front Left - Front Right
Limits: Playback 0 - 255
Mono:
Front Left: Playback 253 [99%] [-0.40dB]
Front Right: Playback 253 [99%] [-0.40dB]
Simple mixer control 'Mic Boost',0
Capabilities: volume
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 4
Front Left: 4 [100%] [40.00dB]
Front Right: 4 [100%] [40.00dB]
Simple mixer control 'Mic Mute-LED Mode',0
Capabilities: enum
Items: 'On' 'Off' 'Follow Capture' 'Follow Mute'
Item0: 'Follow Capture'
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [off]
Simple mixer control 'IEC958',1
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'IEC958',2
Capabilities: pswitch pswitch-joined
Playback channels: Mono
Mono: Playback [on]
Simple mixer control 'Beep',0
Capabilities: pvolume pvolume-joined pswitch pswitch-joined
Playback channels: Mono
Limits: Playback 0 - 7
Mono: Playback 6 [86%] [-4.00dB] [on]
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch
Capture channels: Front Left - Front Right
Limits: Capture 0 - 80
Front Left: Capture 80 [100%] [6.00dB] [on]
Front Right: Capture 80 [100%] [6.00dB] [on]
Simple mixer control 'Auto-Mute Mode',0
Capabilities: enum
Items: 'Disabled' 'Enabled'
Item0: 'Disabled'
Simple mixer control 'Digital',0
Capabilities: cvolume
Capture channels: Front Left - Front Right
Limits: Capture 0 - 120
Front Left: Capture 62 [52%] [1.00dB]
Front Right: Capture 62 [52%] [1.00dB]
Simple mixer control 'Internal Mic Boost',0
Capabilities: volume
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: 0 - 4
Front Left: 0 [0%] [0.00dB]
Front Right: 0 [0%] [0.00dB] 

!!Alsactl output
!!-------------- 

--startcollapse--
state.PCH {
control.1 {
iface MIXER
name 'Speaker Playback Volume'
value.0 74
value.1 74
comment {
access 'read write'
type INTEGER
count 2
range '0 - 74'
dbmin -7400
dbmax 0
dbvalue.0 0
dbvalue.1 0
}
}
control.2 {
iface MIXER
name 'Speaker Playback Switch'
value.0 true
value.1 true
comment {
access 'read write'
type BOOLEAN
count 2
}
}
control.3 {
iface MIXER
name 'Headphone Playback Volume'
value.0 0
value.1 0
comment {
access 'read write'
type INTEGER
count 2
range '0 - 74'
dbmin -7400
dbmax 0
dbvalue.0 -7400
dbvalue.1 -7400
}
}
control.4 {
iface MIXER
name 'Headphone Playback Switch'
value.0 false
value.1 false
comment {
access 'read write'
type BOOLEAN
count 2
}
}
control.5 {
iface MIXER
name 'Auto-Mute Mode'
value Disabled
comment {
access 'read write'
type ENUMERATED
count 1
item.0 Disabled
item.1 Enabled
}
}
control.6 {
iface MIXER
name 'Capture Volume'
value.0 80
value.1 80
comment {
access 'read write'
type INTEGER
count 2
range '0 - 80'
dbmin -7400
dbmax 600
dbvalue.0 600
dbvalue.1 600
}
}
control.7 {
iface MIXER
name 'Capture Switch'
value.0 true
value.1 true
comment {
access 'read write'
type BOOLEAN
count 2
}
}
control.8 {
iface MIXER
name 'Internal Mic Boost Volume'
value.0 0
value.1 0
comment {
access 'read write'
type INTEGER
count 2
range '0 - 4'
dbmin 0
dbmax 4800
dbvalue.0 0
dbvalue.1 0
}
}
control.9 {
iface MIXER
name 'Mic Boost Volume'
value.0 4
value.1 4
comment {
access 'read write'
type INTEGER
count 2
range '0 - 4'
dbmin 0
dbmax 4000
dbvalue.0 4000
dbvalue.1 4000
}
}
control.10 {
iface MIXER
name 'Beep Playback Volume'
value 6
comment {
access 'read write'
type INTEGER
count 1
range '0 - 7'
dbmin -2800
dbmax 0
dbvalue.0 -400
}
}
control.11 {
iface MIXER
name 'Beep Playback Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.12 {
iface MIXER
name 'Mic Mute-LED Mode'
value 'Follow Capture'
comment {
access 'read write'
type ENUMERATED
count 1
item.0 On
item.1 Off
item.2 'Follow Capture'
item.3 'Follow Mute'
}
}
control.13 {
iface MIXER
name 'Master Playback Volume'
value 68
comment {
access 'read write'
type INTEGER
count 1
range '0 - 74'
dbmin -7400
dbmax 0
dbvalue.0 -600
}
}
control.14 {
iface MIXER
name 'Master Playback Switch'
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.15 {
iface CARD
name 'Internal Mic Phantom Jack'
value true
comment {
access read
type BOOLEAN
count 1
}
}
control.16 {
iface CARD
name 'Mic Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.17 {
iface CARD
name 'Dock Mic Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.18 {
iface CARD
name 'Speaker Phantom Jack'
value true
comment {
access read
type BOOLEAN
count 1
}
}
control.19 {
iface CARD
name 'Dock Headphone Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.20 {
iface CARD
name 'Headphone Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.21 {
iface PCM
name 'Playback Channel Map'
value.0 3
value.1 4
value.2 0
value.3 0
comment {
access read
type INTEGER
count 4
range '0 - 36'
}
}
control.22 {
iface PCM
name 'Capture Channel Map'
value.0 0
value.1 0
comment {
access read
type INTEGER
count 2
range '0 - 36'
}
}
control.23 {
iface CARD
name 'HDMI/DP,pcm=3 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.24 {
iface MIXER
name 'IEC958 Playback Con Mask'
value
'0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.25 {
iface MIXER
name 'IEC958 Playback Pro Mask'
value
'0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.26 {
iface MIXER
name 'IEC958 Playback Default'
value
'0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.27 {
iface MIXER
name 'IEC958 Playback Switch'
value false
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.28 {
iface PCM
device 3
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.29 {
iface CARD
name 'HDMI/DP,pcm=7 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.30 {
iface MIXER
name 'IEC958 Playback Con Mask'
index 1
value
'0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.31 {
iface MIXER
name 'IEC958 Playback Pro Mask'
index 1
value
'0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.32 {
iface MIXER
name 'IEC958 Playback Default'
index 1
value
'0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.33 {
iface MIXER
name 'IEC958 Playback Switch'
index 1
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.34 {
iface PCM
device 7
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.35 {
iface CARD
name 'HDMI/DP,pcm=8 Jack'
value false
comment {
access read
type BOOLEAN
count 1
}
}
control.36 {
iface MIXER
name 'IEC958 Playback Con Mask'
index 2
value
'0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.37 {
iface MIXER
name 'IEC958 Playback Pro Mask'
index 2
value
'0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access read
type IEC958
count 1
}
}
control.38 {
iface MIXER
name 'IEC958 Playback Default'
index 2
value
'0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
comment {
access 'read write'
type IEC958
count 1
}
}
control.39 {
iface MIXER
name 'IEC958 Playback Switch'
index 2
value true
comment {
access 'read write'
type BOOLEAN
count 1
}
}
control.40 {
iface PCM
device 8
name ELD
value ''
comment {
access 'read volatile'
type BYTES
count 0
}
}
control.41 {
iface PCM
device 3
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write'
type INTEGER
count 8
range '0 - 36'
}
}
control.42 {
iface PCM
device 7
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write'
type INTEGER
count 8
range '0 - 36'
}
}
control.43 {
iface PCM
device 8
name 'Playback Channel Map'
value.0 0
value.1 0
value.2 0
value.3 0
value.4 0
value.5 0
value.6 0
value.7 0
comment {
access 'read write'
type INTEGER
count 8
range '0 - 36'
}
}
control.44 {
iface MIXER
name 'PCM Playback Volume'
value.0 253
value.1 253
comment {
access 'read write user'
type INTEGER
count 2
range '0 - 255'
tlv '0000000100000008ffffec1400000014'
dbmin -5100
dbmax 0
dbvalue.0 -40
dbvalue.1 -40
}
}
control.45 {
iface MIXER
name 'Digital Capture Volume'
value.0 62
value.1 62
comment {
access 'read write user'
type INTEGER
count 2
range '0 - 120'
tlv '0000000100000008fffff44800000032'
dbmin -3000
dbmax 3000
dbvalue.0 100
dbvalue.1 100
}
}
}
--endcollapse-- 

!!All Loaded Modules
!!------------------ 

Module
ctr
ccm
binfmt_misc
cpufreq_powersave
cpufreq_userspace
cpufreq_conservative
bnep
intel_rapl_msr
uvcvideo
iwldvm
intel_rapl_common
btusb
videobuf2_vmalloc
mac80211
btrtl
videobuf2_memops
x86_pkg_temp_thermal
snd_hda_codec_hdmi
videobuf2_v4l2
videobuf2_common
snd_hda_codec_conexant
intel_powerclamp
libarc4
snd_hda_codec_generic
btbcm
coretemp
videodev
btintel
snd_hda_intel
mc
snd_intel_nhlt
bluetooth
snd_hda_codec
kvm_intel
snd_hda_core
drbg
kvm
snd_hwdep
iwlwifi
thinkpad_acpi
ansi_cprng
snd_pcm
ecdh_generic
ecc
nvram
snd_timer
irqbypass
cfg80211
ledtrig_audio
intel_cstate
snd
mei_wdt
iTCO_wdt
intel_uncore
joydev
mei_me
soundcore
iTCO_vendor_support
rfkill
tpm_tis
mei
watchdog
serio_raw
evdev
sg
intel_rapl_perf
tpm_tis_core
pcspkr
tpm
squashfs
rng_core
ac
wmi_bmof
zstd_decompress
loop
parport_pc
ppdev
lp
sunrpc
parport
ip_tables
x_tables
autofs4
ext4
crc16
mbcache
jbd2
crc32c_generic
algif_skcipher
af_alg
dm_crypt
dm_mod
sd_mod
ata_generic
crct10dif_pclmul
crc32_pclmul
crc32c_intel
ghash_clmulni_intel
i915
aesni_intel
ata_piix
libata
crypto_simd
sdhci_pci
cryptd
glue_helper
cqhci
psmouse
sdhci
mmc_core
ehci_pci
scsi_mod
i2c_algo_bit
ehci_hcd
drm_kms_helper
usbcore
lpc_ich
drm
i2c_i801
mfd_core
e1000e
usb_common
ptp
pps_core
wmi
battery
video
button 

!!Sysfs Files
!!----------- 

/sys/class/sound/hwC0D0/init_pin_configs:
0x19 0x04211040
0x1a 0x61a19050
0x1b 0x04a11060
0x1c 0x6121401f
0x1d 0x40f001f0
0x1e 0x40f001f0
0x1f 0x90170110
0x20 0x40f001f0
0x22 0x40f001f0
0x23 0x90a60170 

/sys/class/sound/hwC0D0/driver_pin_configs:
0x19 0x042110ff
0x1a 0x21a190f0
0x1c 0x212140ff 

/sys/class/sound/hwC0D0/user_pin_configs: 

/sys/class/sound/hwC0D0/init_verbs: 

/sys/class/sound/hwC0D0/hints: 

/sys/class/sound/hwC0D3/init_pin_configs:
0x05 0x18560010
0x06 0x18560020
0x07 0x18560030 

/sys/class/sound/hwC0D3/driver_pin_configs: 

/sys/class/sound/hwC0D3/user_pin_configs: 

/sys/class/sound/hwC0D3/init_verbs: 

/sys/class/sound/hwC0D3/hints: 

!!ALSA/HDA dmesg
!!-------------- 

[ 1.346107] ACPI: Added _OSI(Linux-Dell-Video)
[ 1.346107] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 1.346107] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
--
[ 17.322468] iwlwifi 0000:03:00.0: loaded firmware version 18.168.6.1
op_mode iwldvm
[ 17.343152] snd_hda_intel 0000:00:1b.0: bound 0000:00:02.0 (ops
i915_audio_component_bind_ops [i915])
[ 17.365444] videodev: Linux video capture interface: v2.00
[ 17.439518] snd_hda_codec_conexant hdaudioC0D0: CX20590: BIOS
auto-probing.
[ 17.440049] snd_hda_codec_conexant hdaudioC0D0: autoconfig for CX20590:
line_outs=1 (0x1f/0x0/0x0/0x0/0x0) type:speaker
[ 17.440055] snd_hda_codec_conexant hdaudioC0D0: speaker_outs=0
(0x0/0x0/0x0/0x0/0x0)
[ 17.440059] snd_hda_codec_conexant hdaudioC0D0: hp_outs=2
(0x1c/0x19/0x0/0x0/0x0)
[ 17.440063] snd_hda_codec_conexant hdaudioC0D0: mono: mono_out=0x0
[ 17.440065] snd_hda_codec_conexant hdaudioC0D0: inputs:
[ 17.440070] snd_hda_codec_conexant hdaudioC0D0: Internal Mic=0x23
[ 17.440074] snd_hda_codec_conexant hdaudioC0D0: Mic=0x1b
[ 17.440078] snd_hda_codec_conexant hdaudioC0D0: Dock Mic=0x1a
[ 17.507486] input: HDA Intel PCH Mic as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[ 17.507554] input: HDA Intel PCH Dock Mic as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[ 17.507611] input: HDA Intel PCH Dock Headphone as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input12
[ 17.507657] input: HDA Intel PCH Headphone as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input13
[ 17.507697] input: HDA Intel PCH HDMI/DP,pcm=3 as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input14
[ 17.507735] input: HDA Intel PCH HDMI/DP,pcm=7 as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input15
[ 17.507771] input: HDA Intel PCH HDMI/DP,pcm=8 as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input16
[ 17.643837] usbcore: registered new interface driver btusb 

A 25-03-2020 11:25, Josep Lladonosa escrigué:

> On Wed, 25 Mar 2020 at 08:59, Enric <[email protected]> wrote: 
> 
>> Salut,
>> 
>> tinc una debian 10.3 
>> en un portàtil thinkpad X220 i no em funciona la captura d'àudio.
>> Tinc un micro intern que m'ha funcionat durant força temps i ara m'ha deixat 
>> de funcionar. El problema és que no recordo des de quan ni què hi vaig fer 
>> que li afectés.
>> 
>> Un altre tema és que només té una entrada d'àudio, per micro i cascos 
>> simultàniament, i sembla que ho detecta bé, perquè quan hi endollo uns 
>> cascos amb micro integrat el pavucontrol detecta que tinc un micro connectat.
>> 
>> He provat el alsamixer, el pavucontrol i el volum del lxde i no he trobat 
>> que tingui res amb mute. 
>> De fet, el pavucontrol quan surt el volum del micro, en altres màquines veus 
>> les ratlletes que es mouen a mesura que parles, i pots clicar a mute i es 
>> paren. Però en el meu cas, no surten ni les ratlletes.
>> Primer he pensat que era un problema de hardware i que el micro intern no 
>> funcionava, però quan he vist que connectant els cascos amb micro tampoc no 
>> gravava, crec que tinc en algun lloc la captura a 0.
> 
> Em trobo amb la mateixa situació també Debian 10.3 però amb un Elitebook 830 
> G6 (amb nucli 5.5.11). He trobat d'altres usuaris (Ubuntu, però) en la 
> mateixa situació... 
> Amb el nucli 5.4.0-0.bpo.4-amd64 del mateix Debuan passa el mateix. 
> 
> Algunes proves que potser pots fer: 
> 
> $ lspci |grep audio
> 00:1f.3 Multimedia audio controller: Intel Corporation Cannon Point-LP High 
> Definition Audio Controller (rev 11) 
> 
> $ sudo lspci -v -s 00:1f.3
> 00:1f.3 Multimedia audio controller: Intel Corporation Cannon Point-LP High 
> Definition Audio Controller (rev 11)
> Subsystem: Hewlett-Packard Company Cannon Point-LP High Definition Audio 
> Controller
> Flags: bus master, fast devsel, latency 64, IRQ 130
> Memory at 4022108000 (64-bit, non-prefetchable) [size=16K]
> Memory at 4022000000 (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_soc_skl 
> 
> Així que el controlador és snd_hda_intel. 
> 
> Una crida al programa alsa-info (paquet alsa-utils) també aporta moltíssima 
> informació. 
> 
> (en el meu cas he trobat que la targeta en realitat és una Realtek ALC215. 
> 
> Llàstima que amb això del confinament no pugui mirar-ho en el thinkpad X220 
> perquè el tinc a la feina... 
> 
> SALUT! 
> Josep 
> 
>> Em podeu ajudar?
>> 
>> Merci.
>> 
>> Vinga,
>> 
>> Salut i desobediència!
>> 
>> Enric.
>> 
>> -- 
>> Llibertat d'Expressió! Prou Feixisme!
>> RAP PER LA LLIBERTAT D'EXPRESSIÓ [1]
> 
> -- 
> --
> Salutacions...Josep
> --

 

Links:
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[1] https://www.youtube.com/watch?v=ySqxLQ-UsNo&amp;feature=youtu.be

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