Re: [alsa-devel] [RFC PATCH] Inverted internal mic

20 Jun 2012


      On 20/06/12 20:02, Takashi Iwai wrote:
...
Could you give alsa-info.sh output?  This makes debugging a lot
easier.
upload=true&script=true&cardinfo=
!!################################
!!ALSA Information Script v 0.4.61
!!################################
!!Script ran on: Mon Jun 18 01:44:02 UTC 2012
!!Linux Distribution
!!------------------
Ubuntu 12.04 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu
12.04 LTS"
!!DMI Information
!!---------------
Manufacturer:      eMachines
Product Name:      eM350
Product Version:   V1.06
Firmware Version:  V1.06
!!Kernel Information
!!------------------
Kernel release:    3.2.0-25-generic-pae
Operating System:  GNU/Linux
Architecture:      i686
Processor:         i686
SMP Enabled:       Yes
!!ALSA Version
!!------------
Driver version:     1.0.24
Library version:    1.0.25
Utilities version:  1.0.25
!!Loaded ALSA modules
!!-------------------
snd_hda_intel
!!Sound Servers on this system
!!----------------------------
Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes
Jack:
      Installed - Yes (/usr/bin/jackd)
      Running - No
!!Soundcards recognised by ALSA
!!-----------------------------
0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0x54200000 irq 44
!!PCI Soundcards installed in the system
!!--------------------------------------
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition
Audio Controller (rev 02)
!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------
00:1b.0 0403: 8086:27d8 (rev 02)
    Subsystem: 1025:0349
!!Modprobe options (Sound related)
!!--------------------------------
snd-atiixp-modem: index=-2
snd-intel8x0m: index=-2
snd-via82xx-modem: index=-2
snd-usb-audio: index=-2
snd-usb-caiaq: index=-2
snd-usb-ua101: index=-2
snd-usb-us122l: index=-2
snd-usb-usx2y: index=-2
snd-cmipci: mpu_port=0x330 fm_port=0x388
snd-pcsp: index=-2
snd-usb-audio: index=-2
!!Loaded sound module options
!!---------------------------
!!Module: snd_hda_intel
    align_buffer_size : Y
    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 : 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
    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
    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 :
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
    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: 0x10250349
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
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:  [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 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
  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 Switch", index=0, device=0
  Control: name="Capture Volume", index=0, device=0
  Device: name="ALC272X Analog", type="Audio", device=0
  Amp-In caps: ofs=0x0b, nsteps=0x1f, stepsize=0x05, mute=1
  Amp-In vals:  [0x90 0x90]
  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:  [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80
0x80] [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
  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
  Pincap 0x00000020: IN
  Pin Default 0x99a30920: [Fixed] Mic at Int ATAPI
    Conn = ATAPI, Color = Unknown
    DefAssociation = 0x2, 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
  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:  [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 0x03a19830: [Jack] Mic at Ext Left
    Conn = 1/8, Color = Pink
    DefAssociation = 0x3, 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:  [0x00 0x00]
  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---T+ 1 root audio 116,  5 Jun 18 13:40 /dev/snd/controlC0
crw-rw---T+ 1 root audio 116,  4 Jun 18 13:40 /dev/snd/hwC0D0
crw-rw---T+ 1 root audio 116,  3 Jun 18 13:40 /dev/snd/pcmC0D0c
crw-rw---T+ 1 root audio 116,  2 Jun 18 13:40 /dev/snd/pcmC0D0p
crw-rw---T+ 1 root audio 116,  1 Jun 18 13:40 /dev/snd/seq
crw-rw---T+ 1 root audio 116, 33 Jun 18 13:40 /dev/snd/timer
/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 Jun 18 13:40 .
drwxr-xr-x 3 root root 180 Jun 18 13:40 ..
lrwxrwxrwx 1 root root  12 Jun 18 13:40 pci-0000:00:1b.0 -> ../controlC0
!!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 0x54200000 irq 44'
  Mixer name	: 'Realtek ALC272X'
  Components	: 'HDA:10ec0272,10250349,00100001'
  Controls      : 17
  Simple ctrls  : 9
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 64
  Mono: Playback 64 [100%] [0.00dB] [on]
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch penum
  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 'Speaker',0
  Capabilities: pvolume pswitch penum
  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 penum
  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 penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Mic Boost',0
  Capabilities: volume penum
  Playback channels: Front Left - Front Right
  Capture channels: Front Left - Front Right
  Limits: 0 - 3
  Front Left: 0 [0%] [0.00dB]
  Front Right: 0 [0%] [0.00dB]
Simple mixer control 'Beep',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 0 [0%] [-34.50dB] [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 31
  Front Left: Capture 16 [52%] [7.50dB] [off]
  Front Right: Capture 16 [52%] [7.50dB] [off]
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 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.2 {
    	iface MIXER
    	name 'Headphone Playback Switch'
    	value.0 true
    	value.1 true
    	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 0
    	value.1 0
    	comment {
    		access 'read write'
    		type INTEGER
    		count 2
    		range '0 - 31'
    		dbmin -3450
    		dbmax 1200
    		dbvalue.0 -3450
    		dbvalue.1 -3450
    	}
    }
    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 'Mic Boost Volume'
    	value.0 0
    	value.1 0
    	comment {
    		access 'read write'
    		type INTEGER
    		count 2
    		range '0 - 3'
    		dbmin 0
    		dbmax 3000
    		dbvalue.0 0
    		dbvalue.1 0
    	}
    }
    control.9 {
    	iface MIXER
    	name 'Capture Switch'
    	value.0 false
    	value.1 false
    	comment {
    		access 'read write'
    		type BOOLEAN
    		count 2
    	}
    }
    control.10 {
    	iface MIXER
    	name 'Capture Volume'
    	value.0 16
    	value.1 16
    	comment {
    		access 'read write'
    		type INTEGER
    		count 2
    		range '0 - 31'
    		dbmin -1650
    		dbmax 3000
    		dbvalue.0 750
    		dbvalue.1 750
    	}
    }
    control.11 {
    	iface MIXER
    	name 'Beep Playback Volume'
    	value.0 0
    	value.1 0
    	comment {
    		access 'read write'
    		type INTEGER
    		count 2
    		range '0 - 31'
    		dbmin -3450
    		dbmax 1200
    		dbvalue.0 -3450
    		dbvalue.1 -3450
    	}
    }
    control.12 {
    	iface MIXER
    	name 'Beep Playback Switch'
    	value.0 false
    	value.1 false
    	comment {
    		access 'read write'
    		type BOOLEAN
    		count 2
    	}
    }
    control.13 {
    	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.14 {
    	iface MIXER
    	name 'Master Playback Switch'
    	value true
    	comment {
    		access 'read write'
    		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 'Mic Jack'
    	value false
    	comment {
    		access read
    		type BOOLEAN
    		count 1
    	}
    }
    control.17 {
    	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
dm_crypt
bcma
arc4
joydev
acer_wmi
sparse_keymap
snd_hda_codec_realtek
snd_hda_intel
snd_hda_codec
snd_hwdep
snd_pcm
snd_seq_midi
snd_rawmidi
snd_seq_midi_event
snd_seq
snd_timer
snd_seq_device
brcmsmac
uvcvideo
videodev
psmouse
bnep
serio_raw
rfcomm
snd
bluetooth
mac80211
parport_pc
ppdev
brcmutil
soundcore
cfg80211
crc8
snd_page_alloc
cordic
mac_hid
lp
parport
i915
drm_kms_helper
drm
atl1c
i2c_algo_bit
video
wmi
!!Sysfs Files
!!-----------
/sys/class/sound/hwC0D0/init_pin_configs:
0x11 0x411111f0
0x12 0x99a30920
0x13 0x411111f0
0x14 0x99130110
0x15 0x411111f0
0x16 0x411111f0
0x17 0x411111f0
0x18 0x03a19830
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:
!!ALSA/HDA dmesg
!!--------------
[   21.319382] type=1400 audit(1339983621.365:9): apparmor="STATUS"
operation="profile_replace"
name="/usr/lib/connman/scripts/dhclient-script" pid=824
comm="apparmor_parser"
[   21.325408] snd_hda_intel 0000:00:1b.0: PCI INT A -> GSI 16 (level,
low) -> IRQ 16
[   21.325547] snd_hda_intel 0000:00:1b.0: irq 44 for MSI/MSI-X
[   21.325617] snd_hda_intel 0000:00:1b.0: setting latency timer to 64
[   21.362113] type=1400 audit(1339983621.409:10): apparmor="STATUS"
operation="profile_load"
name="/usr/lib/lightdm/lightdm/lightdm-guest-session-wrapper" pid=823
comm="apparmor_parser"
[   21.433174] type=1400 audit(1339983621.481:11): apparmor="STATUS"
operation="profile_load" name="/usr/lib/telepathy/mission-control-5"
pid=844 comm="apparmor_parser"
[   21.482824] input: HDA Intel Mic as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[   21.495264] input: HDA Intel Headphone as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[   21.524275] atl1c 0000:01:00.0: irq 45 for MSI/MSI-X

Re: [alsa-devel] [RFC PATCH] Inverted internal mic

Eliot Blennerhassett