acer netbook a0531h fedora 20 lxde microfono non funzionante

Ciao a tutti,

ho provato fedora con lxde sul mio netbook acer aspire a0531h, mi funziona tutto alla grande tranne il microfono che non ne vuole sapere.
HO provato il workaround che ho trovato in rete e cioè quello di installare pavucontrol e poi di mettere uno dei 2 canali a zero e l’altro quasi al massimo (questo workaround con lubuntu aveva funzionato perfettamente)
In questo caso non è cambiato niente. HO provato anche ad installare audacity e a fare una prova di registrazione. L’esito in quel caso è stato positivo.
Dopo ho riprovato con skype e hangouts ma niente da fare, non si sente niente…
ho ricontrollato anche i volumi con alsamixer da terminale e mi sembra tutto a posto.

Qualche idea?? :gratt:

CI sto sbattendo la testa da un pochino senza uscirne… :wall:

Benvenuto,
dopo esserti assicurato di aver installato wget

# yum install wget

prova a riportare il link risultante dal seguente comando:

$ alsa-info --upload 

Ciao,

ho controllato di aver wget installato come pacchetto e ho eseguito il comando alsa-info --upload come suggerito.
Di seguito l’output:

!!################################
!!ALSA Information Script v 0.4.62
!!################################

!!Script ran on: Thu Feb  6 18:49:49 UTC 2014


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

Fedora release 20 (Heisenbug) Fedora release 20 (Heisenbug) NAME=Fedora ID=fedora PRETTY_NAME="Fedora 20 (Heisenbug)" CPE_NAME="cpe:/o:fedoraproject:fedora:20" HOME_URL="https://fedoraproject.org/" BUG_REPORT_URL="https://bugzilla.redhat.com/" REDHAT_BUGZILLA_PRODUCT="Fedora" REDHAT_BUGZILLA_PRODUCT_VERSION=20 REDHAT_SUPPORT_PRODUCT="Fedora" REDHAT_SUPPORT_PRODUCT_VERSION=20 Fedora release 20 (Heisenbug) Fedora release 20 (Heisenbug)


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

Manufacturer:      Acer
Product Name:      AO531h
Product Version:   1
Firmware Version:  v0.3206


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

Kernel release:    3.12.8-300.fc20.i686
Operating System:  GNU/Linux
Architecture:      i686
Processor:         i686
SMP Enabled:       Yes


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

Driver version:     k3.12.8-300.fc20.i686
Library version:    
Utilities version:  1.0.27.2


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

snd_hda_intel


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

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

Jack:
      Installed - Yes (/bin/jackd)
      Running - No


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

 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0x56440000 irq 44


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

00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 02)


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

00:1b.0 0403: 8086:27d8 (rev 02)
    Subsystem: 1025:022c


!!Loaded sound module options
!!---------------------------

!!Module: snd_hda_intel
    align_buffer_size : -1
    bdl_pos_adj : 1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
    beep_mode : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N
    enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
    enable_msi : -1
    id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
    index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
    jackpoll_ms : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
    model : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
    patch : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
    position_fix : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
    power_save : 0
    power_save_controller : Y
    probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
    probe_only : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
    single_cmd : N
    snoop : Y


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

Codec: Realtek ALC272X
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x10ec0272
Subsystem Id: 0x1025022c
Revision Id: 0x100001
No Modem Function Group found
Default PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
  Power states:  D0 D1 D2 D3 CLKSTOP
  Power: setting=D0, actual=D0
GPIO: io=2, o=0, i=0, unsolicited=1, wake=0
  IO[0]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
  IO[1]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0
Node 0x02 [Audio Output] wcaps 0x41d: Stereo Amp-Out
  Control: name="Headphone Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Device: name="ALC272X Analog", type="Audio", device=0
  Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
  Amp-Out vals:  [0x00 0x00]
  Converter: stream=8, channel=0
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x03 [Audio Output] wcaps 0x41d: Stereo Amp-Out
  Control: name="Speaker Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
  Amp-Out vals:  [0x40 0x40]
  Converter: stream=8, channel=0
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x04 [Audio Output] wcaps 0x41d: Stereo Amp-Out
  Amp-Out caps: ofs=0x40, nsteps=0x40, stepsize=0x03, mute=0
  Amp-Out vals:  [0x40 0x40]
  Converter: stream=0, channel=0
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x05 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x06 [Audio Output] wcaps 0x611: Stereo Digital
  Converter: stream=0, channel=0
  Digital:
  Digital category: 0x0
  IEC Coding Type: 0x0
  PCM:
    rates [0x5e0]: 44100 48000 88200 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x07 [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x08 [Audio Input] wcaps 0x10051b: Stereo Amp-In
  Amp-In caps: ofs=0x0b, nsteps=0x1f, stepsize=0x05, mute=1
  Amp-In vals:  [0x8b 0x8b]
  Converter: stream=0, channel=0
  SDI-Select: 0
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x23
Node 0x09 [Audio Input] wcaps 0x10051b: Stereo Amp-In
  Control: name="Capture Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Control: name="Capture Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Device: name="ALC272X Analog", type="Audio", device=0
  Amp-In caps: ofs=0x0b, nsteps=0x1f, stepsize=0x05, mute=1
  Amp-In vals:  [0x1f 0x1f]
  Converter: stream=4, channel=0
  SDI-Select: 0
  PCM:
    rates [0x560]: 44100 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x22
Node 0x0a [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x0b [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Control: name="Mic Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Control: name="Mic Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Control: name="Beep Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=4, ofs=0
  Control: name="Beep Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=4, ofs=0
  Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x05, mute=1
  Amp-In vals:  [0x9f 0x9f] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x9f 0x9f] [0x80 0x80] [0x80 0x80] [0x80 0x80]
  Connection: 8
     0x18 0x19 0x1a 0x1b 0x1d 0x14 0x15 0x16
Node 0x0c [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00 0x00] [0x00 0x00]
  Connection: 2
     0x02 0x0b
Node 0x0d [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00 0x00] [0x00 0x00]
  Connection: 2
     0x03 0x0b
Node 0x0e [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00 0x00] [0x80 0x80]
  Connection: 2
     0x04 0x0b
Node 0x0f [Audio Mixer] wcaps 0x20010a: Mono Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00] [0x80]
  Connection: 2
     0x02 0x0b
Node 0x10 [Audio Output] wcaps 0x611: Stereo Digital
  Converter: stream=0, channel=0
  Digital:
  Digital category: 0x0
  IEC Coding Type: 0x0
  PCM:
    rates [0x5e0]: 44100 48000 88200 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x11 [Pin Complex] wcaps 0x400700: Mono Digital
  Pincap 0x00000010: OUT
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x10
Node 0x12 [Pin Complex] wcaps 0x400401: Stereo
  Control: name="Internal Mic Phantom Jack", index=0, device=0
  Pincap 0x00000020: IN
  Pin Default 0x99a30930: [Fixed] Mic at Int ATAPI
    Conn = ATAPI, Color = Unknown
    DefAssociation = 0x3, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x13 [Pin Complex] wcaps 0x400401: Stereo
  Pincap 0x00000020: IN
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x00:
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x14 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Control: name="Speaker Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Speaker Phantom Jack", index=0, device=0
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x00 0x00]
  Pincap 0x0001003c: IN OUT HP EAPD Detect
  EAPD 0x2: EAPD
  Pin Default 0x99130110: [Fixed] Speaker at Int ATAPI
    Conn = ATAPI, Color = Unknown
    DefAssociation = 0x1, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 2
     0x0c 0x0d*
Node 0x15 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x0001003c: IN OUT HP EAPD Detect
  EAPD 0x2: EAPD
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 2
     0x0c* 0x0d
Node 0x16 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x00000034: IN OUT Detect
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x0e
Node 0x17 [Pin Complex] wcaps 0x40050c: Mono Amp-Out
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80]
  Pincap 0x00000010: OUT
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x00:
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x0f
Node 0x18 [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
  Control: name="Mic Boost Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Control: name="Mic Jack", index=0, device=0
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x03 0x03]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x00001734: IN OUT Detect
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x03a19820: [Jack] Mic at Ext Left
    Conn = 1/8, Color = Pink
    DefAssociation = 0x2, Sequence = 0x0
  Pin-ctls: 0x24: IN VREF_80
  Unsolicited: tag=02, enabled=1
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x0e
Node 0x19 [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x00 0x00]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x0000173c: IN OUT HP Detect
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 3
     0x0c* 0x0d 0x0e
Node 0x1a [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x00 0x00]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x00001734: IN OUT Detect
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x0d
Node 0x1b [Pin Complex] wcaps 0x40058f: Stereo Amp-In Amp-Out
  Amp-In caps: ofs=0x00, nsteps=0x03, stepsize=0x27, mute=0
  Amp-In vals:  [0x00 0x00]
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x0000173c: IN OUT HP Detect
    Vref caps: HIZ 50 GRD 80
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 3
     0x0c* 0x0d 0x0e
Node 0x1c [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x1d [Pin Complex] wcaps 0x400400: Mono
  Pincap 0x00000020: IN
  Pin Default 0x4016892d: [N/A] Speaker at Ext N/A
    Conn = Digital, Color = Purple
    DefAssociation = 0x2, Sequence = 0xd
    Misc = NO_PRESENCE
  Pin-ctls: 0x20: IN
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
Node 0x1e [Pin Complex] wcaps 0x400780: Mono Digital
  Pincap 0x00000014: OUT Detect
  Pin Default 0x411111f0: [N/A] Speaker at Ext Rear
    Conn = 1/8, Color = Black
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 1
     0x06
Node 0x1f [Vendor Defined Widget] wcaps 0xf00000: Mono
Node 0x20 [Vendor Defined Widget] wcaps 0xf00040: Mono
  Processing caps: benign=0, ncoeff=17
Node 0x21 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Control: name="Headphone Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Headphone Jack", index=0, device=0
  Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-Out vals:  [0x80 0x80]
  Pincap 0x0000001c: OUT HP Detect
  Pin Default 0x0321401f: [Jack] HP Out at Ext Left
    Conn = 1/8, Color = Green
    DefAssociation = 0x1, Sequence = 0xf
  Pin-ctls: 0xc0: OUT HP
  Unsolicited: tag=01, enabled=1
  Power states:  D0 D1 D2 D3 EPSS
  Power: setting=D0, actual=D0
  Connection: 3
     0x0c* 0x0d 0x0e
Node 0x22 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x00 0x00]
  Connection: 10
     0x18 0x19 0x1a 0x1b 0x1d 0x14 0x15 0x16 0x0b 0x12
Node 0x23 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80]
  Connection: 10
     0x18 0x19 0x1a 0x1b 0x1d 0x14 0x15 0x16 0x0b 0x13
--endcollapse--


!!ALSA Device nodes
!!-----------------

crw-rw----  1 root audio 116,  5 Feb  6 19:38 /dev/snd/controlC0
crw-rw----  1 root audio 116,  4 Feb  6 19:38 /dev/snd/hwC0D0
crw-rw----  1 root audio 116,  3 Feb  6 19:39 /dev/snd/pcmC0D0c
crw-rw----  1 root audio 116,  2 Feb  6 19:41 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116,  1 Feb  6 19:38 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Feb  6 19:38 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x. 2 root root  60 Feb  6 19:38 .
drwxr-xr-x. 3 root root 180 Feb  6 19:38 ..
lrwxrwxrwx. 1 root root  12 Feb  6 19:38 pci-0000:00:1b.0 -> ../controlC0


!!ALSA configuration files
!!------------------------

!!System wide config file (/etc/asound.conf)

#
# Place your global alsa-lib configuration here...
#


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

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

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

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

Card hw:0 'Intel'/'HDA Intel at 0x56440000 irq 44'
  Mixer name    : 'Realtek ALC272X'
  Components    : 'HDA:10ec0272,1025022c,00100001'
  Controls      : 21
  Simple ctrls  : 9
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 0 [0%] -64.00dB] [off]
  Front Right: Playback 0 [0%] -64.00dB] [off]
Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 64
  Mono:
  Front Left: Playback 64 [100%] [0.00dB] [on]
  Front Right: Playback 64 [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 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'Mic',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [off]
  Front Right: Playback 31 [100%] [12.00dB] [off]
Simple mixer control 'Mic Boost',0
  Capabilities: volume
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 3 [100%] [30.00dB]
  Front Right: 3 [100%] [30.00dB]
Simple mixer control 'Beep',0
  Capabilities: pvolume pswitch
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [off]
  Front Right: Playback 31 [100%] [12.00dB] [off]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 31
  Front Left: Capture 31 [100%] [30.00dB] [on]
  Front Right: Capture 31 [100%] [30.00dB] [on]
Simple mixer control 'Auto-Mute Mode',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Disabled'


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

--startcollapse--
state.Intel {
    control.1 {
        iface MIXER
        name 'Headphone Playback Volume'
        value.0 0
        value.1 0
        comment {
            access 'read write'
            type INTEGER
            count 2
            range '0 - 64'
            dbmin -6400
            dbmax 0
            dbvalue.0 -6400
            dbvalue.1 -6400
        }
    }
    control.2 {
        iface MIXER
        name 'Headphone Playback Switch'
        value.0 false
        value.1 false
        comment {
            access 'read write'
            type BOOLEAN
            count 2
        }
    }
    control.3 {
        iface MIXER
        name 'Speaker Playback Volume'
        value.0 64
        value.1 64
        comment {
            access 'read write'
            type INTEGER
            count 2
            range '0 - 64'
            dbmin -6400
            dbmax 0
            dbvalue.0 0
            dbvalue.1 0
        }
    }
    control.4 {
        iface MIXER
        name 'Speaker Playback Switch'
        value.0 true
        value.1 true
        comment {
            access 'read write'
            type BOOLEAN
            count 2
        }
    }
    control.5 {
        iface MIXER
        name 'Mic Playback Volume'
        value.0 31
        value.1 31
        comment {
            access 'read write'
            type INTEGER
            count 2
            range '0 - 31'
            dbmin -3450
            dbmax 1200
            dbvalue.0 1200
            dbvalue.1 1200
        }
    }
    control.6 {
        iface MIXER
        name 'Mic Playback Switch'
        value.0 false
        value.1 false
        comment {
            access 'read write'
            type BOOLEAN
            count 2
        }
    }
    control.7 {
        iface MIXER
        name 'Auto-Mute Mode'
        value Disabled
        comment {
            access 'read write'
            type ENUMERATED
            count 1
            item.0 Disabled
            item.1 Enabled
        }
    }
    control.8 {
        iface MIXER
        name 'Capture Volume'
        value.0 31
        value.1 31
        comment {
            access 'read write'
            type INTEGER
            count 2
            range '0 - 31'
            dbmin -1650
            dbmax 3000
            dbvalue.0 3000
            dbvalue.1 3000
        }
    }
    control.9 {
        iface MIXER
        name 'Capture Switch'
        value.0 true
        value.1 true
        comment {
            access 'read write'
            type BOOLEAN
            count 2
        }
    }
    control.10 {
        iface MIXER
        name 'Mic Boost Volume'
        value.0 3
        value.1 3
        comment {
            access 'read write'
            type INTEGER
            count 2
            range '0 - 3'
            dbmin 0
            dbmax 3000
            dbvalue.0 3000
            dbvalue.1 3000
        }
    }
    control.11 {
        iface MIXER
        name 'Master Playback Volume'
        value 64
        comment {
            access 'read write'
            type INTEGER
            count 1
            range '0 - 64'
            dbmin -6400
            dbmax 0
            dbvalue.0 0
        }
    }
    control.12 {
        iface MIXER
        name 'Master Playback Switch'
        value true
        comment {
            access 'read write'
            type BOOLEAN
            count 1
        }
    }
    control.13 {
        iface CARD
        name 'Mic Jack'
        value false
        comment {
            access read
            type BOOLEAN
            count 1
        }
    }
    control.14 {
        iface CARD
        name 'Internal Mic Phantom Jack'
        value true
        comment {
            access read
            type BOOLEAN
            count 1
        }
    }
    control.15 {
        iface CARD
        name 'Headphone Jack'
        value false
        comment {
            access read
            type BOOLEAN
            count 1
        }
    }
    control.16 {
        iface CARD
        name 'Speaker Phantom Jack'
        value true
        comment {
            access read
            type BOOLEAN
            count 1
        }
    }
    control.17 {
        iface MIXER
        name 'Beep Playback Volume'
        value.0 31
        value.1 31
        comment {
            access 'read write'
            type INTEGER
            count 2
            range '0 - 31'
            dbmin -3450
            dbmax 1200
            dbvalue.0 1200
            dbvalue.1 1200
        }
    }
    control.18 {
        iface MIXER
        name 'Beep Playback Switch'
        value.0 false
        value.1 false
        comment {
            access 'read write'
            type BOOLEAN
            count 2
        }
    }
    control.19 {
        iface PCM
        name 'Playback Channel Map'
        value.0 0
        value.1 0
        comment {
            access read
            type INTEGER
            count 2
            range '0 - 36'
        }
    }
    control.20 {
        iface PCM
        name 'Capture Channel Map'
        value.0 0
        value.1 0
        comment {
            access read
            type INTEGER
            count 2
            range '0 - 36'
        }
    }
    control.21 {
        iface MIXER
        name 'PCM Playback Volume'
        value.0 255
        value.1 255
        comment {
            access 'read write user'
            type INTEGER
            count 2
            range '0 - 255'
            tlv '0000000100000008ffffec1400000014'
            dbmin -5100
            dbmax 0
            dbvalue.0 0
            dbvalue.1 0
        }
    }
}
--endcollapse--


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

Module
fuse
ip6t_rpfilter
ip6t_REJECT
xt_conntrack
ebtable_nat
ebtable_broute
bridge
stp
llc
ebtable_filter
ebtables
ip6table_nat
nf_conntrack_ipv6
nf_defrag_ipv6
nf_nat_ipv6
ip6table_mangle
ip6table_security
ip6table_raw
ip6table_filter
ip6_tables
iptable_nat
nf_conntrack_ipv4
nf_defrag_ipv4
nf_nat_ipv4
nf_nat
nf_conntrack
iptable_mangle
iptable_security
iptable_raw
vboxpci
vboxnetadp
vboxnetflt
vboxdrv
binfmt_misc
uvcvideo
videobuf2_vmalloc
videobuf2_memops
videobuf2_core
snd_hda_codec_realtek
snd_hda_intel
snd_hda_codec
videodev
arc4
ath9k
ath9k_common
ath9k_hw
media
snd_hwdep
ath
iTCO_wdt
snd_seq
acer_wmi
iTCO_vendor_support
mac80211
cfg80211
snd_seq_device
coretemp
sparse_keymap
snd_pcm
lpc_ich
snd_page_alloc
rfkill
microcode
snd_timer
joydev
serio_raw
atl1e
snd
i2c_i801
soundcore
acpi_cpufreq
wmi
nfsd
auth_rpcgss
nfs_acl
lockd
sunrpc
i915
i2c_algo_bit
drm_kms_helper
drm
i2c_core
video


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

/sys/class/sound/hwC0D0/init_pin_configs:
0x11 0x411111f0
0x12 0x99a30930
0x13 0x411111f0
0x14 0x99130110
0x15 0x411111f0
0x16 0x411111f0
0x17 0x411111f0
0x18 0x03a19820
0x19 0x411111f0
0x1a 0x411111f0
0x1b 0x411111f0
0x1d 0x4016892d
0x1e 0x411111f0
0x21 0x0321401f

/sys/class/sound/hwC0D0/driver_pin_configs:

/sys/class/sound/hwC0D0/user_pin_configs:

/sys/class/sound/hwC0D0/init_verbs:

/sys/class/sound/hwC0D0/hints:


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

   20.025836] Linux video capture interface: v2.00
   20.109903] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X
   20.166316] ALSA sound/pci/hda/patch_realtek.c:419 SKU: Nid=0x1d sku_cfg=0x4016892d
   20.166328] ALSA sound/pci/hda/patch_realtek.c:421 SKU: port_connectivity=0x1
   20.166344] ALSA sound/pci/hda/patch_realtek.c:422 SKU: enable_pcbeep=0x1
   20.166359] ALSA sound/pci/hda/patch_realtek.c:423 SKU: check_sum=0x00000006
   20.166366] ALSA sound/pci/hda/patch_realtek.c:424 SKU: customization=0x00000089
   20.166372] ALSA sound/pci/hda/patch_realtek.c:425 SKU: external_amp=0x5
   20.166378] ALSA sound/pci/hda/patch_realtek.c:426 SKU: platform_type=0x1
   20.166384] ALSA sound/pci/hda/patch_realtek.c:427 SKU: swap=0x0
   20.166391] ALSA sound/pci/hda/patch_realtek.c:428 SKU: override=0x1
   20.166595] ALSA sound/pci/hda/hda_auto_parser.c:393 autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
   20.166605] ALSA sound/pci/hda/hda_auto_parser.c:397    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
   20.166615] ALSA sound/pci/hda/hda_auto_parser.c:401    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
   20.166622] ALSA sound/pci/hda/hda_auto_parser.c:402    mono: mono_out=0x0
   20.166629] ALSA sound/pci/hda/hda_auto_parser.c:406    inputs:
   20.166639] ALSA sound/pci/hda/hda_auto_parser.c:410      Mic=0x18
   20.166647] ALSA sound/pci/hda/hda_auto_parser.c:410      Internal Mic=0x12
   20.166657] ALSA sound/pci/hda/patch_realtek.c:491 realtek: No valid SSID, checking pincfg 0x4016892d for NID 0x1d
   20.166665] ALSA sound/pci/hda/patch_realtek.c:507 realtek: Enabling init ASM_ID=0x892d CODEC_ID=10ec0272
   20.243820] systemd-journald[258]: Received request to flush runtime journal from PID 1
   20.247635] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input16
   20.249760] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input15
   20.293307] type=1305 audit(1391711931.010:3): audit_pid=396 old=0 auid=4294967295 ses=4294967295

EDIT di tempus: Avevo chiesto di riportare il link, non il suo contenuto (che comunque avrebbe dovuto essere postato con tag code, questa volta ho provveduto io).

Prova con

# echo "options snd-hda-intel model=acer" > /etc/modprobe.d/snd-hda-intel.conf

, riavvia. Se il problema persiste, controlla se registra l’audio con cheese.