From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruno =?UTF-8?B?UHLDqW1vbnQ=?= Subject: Re: ALSA - No sound on MBA2,1 Date: Wed, 4 Dec 2013 11:47:41 +0100 Message-ID: <20131204114741.0efc3a33@pluto.restena.lu> References: <20131203225413.6b1e7e98@neptune.home> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="MP_/R9+YUJg.vJ55Yi=/69wq6kw" Return-path: Received: from smtprelay.restena.lu (smtprelay.restena.lu [158.64.1.62]) by alsa0.perex.cz (Postfix) with ESMTP id 14D862625D3 for ; Wed, 4 Dec 2013 11:47:41 +0100 (CET) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org --MP_/R9+YUJg.vJ55Yi=/69wq6kw Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi Takashi, On Wed, 04 Dec 2013 08:14:18 +0100 Takashi Iwai wrote: > At Tue, 3 Dec 2013 22:54:13 +0100, Bruno Pr=C3=A9mont wrote: > > Hi Takashi, > >=20 > > Since I started using Linux on a MBA2,1 I never had sound working. > > recently searching for some solution to get sound working I saw that > > some users had sound with 3.2.x kernels and reported it stopped working > > somewhere between 3.2 and 3.4. > >=20 > > Thus I tried bisecting this and found two steps of losing sound support, > > a first one being losing sound output on built-in speaker, a second > > point where sound through headphone jack stopped working. > >=20 > > Even with 3.2 non of the mute options is working (I did not try recordi= ng > > via build-in microphone) > >=20 > > ... > >=20 > > Attached is the output of `alsa-info --with-devices` under current 3.12= .2 > > kernel and under 3.2.53. > >=20 > > As this all seems related to quirks being replaced with auto-parsing. > > Trying to revert the commits on top of 3.12.x looks unworkable. > >=20 > > Is there some extra data I should try to provide or a workaround/fix I > > could try out? I'm booting in EFI mode using EFI stub (did backport it > > from 3.3 to 3.2 for bisecting/testing 3.2). >=20 > You seem to be passing model=3D3stack, and this must break things. > To be sure, try sound.git tree for-linus branch without any options. > git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git I tried your branch (with merged rc2 from Linus) and there is still no sound. (took some time to test as kernel freezes during boot somewhere in nouveau, thus me merging in rc2 in the hope of a fix for that) > If it still doesn't work, please give alsa-info.sh output with that > kernel. `alsa-info --with-devices` is attached. Bruno > Takashi --MP_/R9+YUJg.vJ55Yi=/69wq6kw Content-Type: text/plain Content-Disposition: attachment; filename=alsa-info-3.13-rc2-tiwai Content-Transfer-Encoding: quoted-printable upload=3Dtrue&script=3Dtrue&cardinfo=3D !!################################ !!ALSA Information Script v 0.4.60 !!################################ !!Script ran on: Wed Dec 4 10:40:42 UTC 2013 !!Linux Distribution !!------------------ Gentoo Base System release 2.2 NAME=3DGentoo ID=3Dgentoo PRETTY_NAME=3D"G= entoo/Linux" HOME_URL=3D"http://www.gentoo.org/" SUPPORT_URL=3D"http://ww= w.gentoo.org/main/en/support.xml" BUG_REPORT_URL=3D"https://bugs.gentoo.o= rg/" !!DMI Information !!--------------- Manufacturer: Apple Inc. Product Name: MacBookAir2,1 Product Version: 1.0 !!Kernel Information !!------------------ Kernel release: 3.13.0-rc2-air+ Operating System: GNU/Linux Architecture: x86_64 Processor: Intel(R) Core(TM)2 Duo CPU L9400 @ 1.86GHz SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k3.13.0-rc2-air+ Library version: 1.0.27.1 Utilities version: 1.0.27.1 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [NVidia ]: HDA-Intel - HDA NVidia HDA NVidia at 0x93380000 irq 19 !!PCI Soundcards installed in the system !!-------------------------------------- 00:08.0 Audio device: NVIDIA Corporation MCP79 High Definition Audio (rev= b1) !!Advanced information - PCI Vendor/Device/Subsystem ID's !!-------------------------------------------------------- 00:08.0 0403: 10de:0ac0 (rev b1) Subsystem: 10de:cb79 !!Loaded sound module options !!-------------------------- !!HDA-Intel Codec information !!--------------------------- --startcollapse-- Codec: Realtek ALC889A Address: 0 AFG Function Id: 0x1 (unsol 1) Vendor Id: 0x10ec0885 Subsystem Id: 0x106b3500 Revision Id: 0x100103 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 Power: setting=3DD0, actual=3DD0 GPIO: io=3D2, o=3D0, i=3D0, unsolicited=3D1, wake=3D0 IO[0]: enable=3D1, dir=3D1, wake=3D0, sticky=3D0, data=3D1, unsol=3D0 IO[1]: enable=3D0, dir=3D0, wake=3D0, sticky=3D0, data=3D0, unsol=3D0 Node 0x02 [Audio Output] wcaps 0x11: Stereo Device: name=3D"ALC889A Analog", type=3D"Audio", device=3D0 Converter: stream=3D8, channel=3D0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Node 0x03 [Audio Output] wcaps 0x11: Stereo Converter: stream=3D8, channel=3D0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Node 0x04 [Audio Output] wcaps 0x11: Stereo Converter: stream=3D0, channel=3D0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Node 0x05 [Audio Output] wcaps 0x11: Stereo Converter: stream=3D0, channel=3D0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Node 0x06 [Audio Output] wcaps 0x211: Stereo Digital Converter: stream=3D0, channel=3D0 Digital: Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0x1e]: 16 20 24 32 formats [0x1]: PCM Node 0x07 [Audio Input] wcaps 0x10011b: Stereo Amp-In Control: name=3D"Capture Volume", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DIn, idx=3D0, ofs=3D0 Control: name=3D"Capture Switch", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DIn, idx=3D0, ofs=3D0 Device: name=3D"ALC889A Analog", type=3D"Audio", device=3D0 Amp-In caps: ofs=3D0x10, nsteps=3D0x2e, stepsize=3D0x03, mute=3D1 Amp-In vals: [0x80 0x80] Converter: stream=3D0, channel=3D0 SDI-Select: 0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Connection: 1 0x24 Node 0x08 [Audio Input] wcaps 0x10011b: Stereo Amp-In Amp-In caps: ofs=3D0x10, nsteps=3D0x2e, stepsize=3D0x03, mute=3D1 Amp-In vals: [0x90 0x90] Converter: stream=3D0, channel=3D0 SDI-Select: 0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Connection: 1 0x23 Node 0x09 [Audio Input] wcaps 0x10011b: Stereo Amp-In Amp-In caps: ofs=3D0x10, nsteps=3D0x2e, stepsize=3D0x03, mute=3D1 Amp-In vals: [0x90 0x90] Converter: stream=3D0, channel=3D0 SDI-Select: 0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Connection: 1 0x22 Node 0x0a [Audio Input] wcaps 0x100391: Stereo Digital Converter: stream=3D0, channel=3D0 SDI-Select: 0 Digital: Digital category: 0x0 IEC Coding Type: 0x0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0x1e]: 16 20 24 32 formats [0x1]: PCM Unsolicited: tag=3D00, enabled=3D0 Connection: 1 0x1f Node 0x0b [Audio Mixer] wcaps 0x20010b: Stereo Amp-In Control: name=3D"Headphone Mic Playback Volume", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DIn, idx=3D6, ofs=3D0 Control: name=3D"Headphone Mic Playback Switch", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DIn, idx=3D6, ofs=3D0 Amp-In caps: ofs=3D0x17, nsteps=3D0x1f, stepsize=3D0x05, mute=3D1 Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x8= 0] [0x80 0x80] [0x1f 0x1f] [0x80 0x80] [0x80 0x80] [0x80 0x80] Connection: 10 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x14 0x15 0x16 0x17 Node 0x0c [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out Control: name=3D"Headphone Playback Volume", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DOut, idx=3D0, ofs=3D0 Amp-In caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-In vals: [0x00 0x00] [0x00 0x00] Amp-Out caps: ofs=3D0x40, nsteps=3D0x40, stepsize=3D0x03, mute=3D0 Amp-Out vals: [0x40 0x40] Connection: 2 0x02 0x0b Node 0x0d [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out Control: name=3D"Speaker Playback Volume", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DOut, idx=3D0, ofs=3D0 Amp-In caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-In vals: [0x00 0x00] [0x00 0x00] Amp-Out caps: ofs=3D0x40, nsteps=3D0x40, stepsize=3D0x03, mute=3D0 Amp-Out vals: [0x40 0x40] Connection: 2 0x03 0x0b Node 0x0e [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-In vals: [0x00 0x00] [0x80 0x80] Amp-Out caps: ofs=3D0x40, nsteps=3D0x40, stepsize=3D0x03, mute=3D0 Amp-Out vals: [0x40 0x40] Connection: 2 0x04 0x0b Node 0x0f [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-In vals: [0x00 0x00] [0x80 0x80] Amp-Out caps: ofs=3D0x40, nsteps=3D0x40, stepsize=3D0x03, mute=3D0 Amp-Out vals: [0x40 0x40] Connection: 2 0x05 0x0b Node 0x10 [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x11 [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x12 [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x13 [Vendor Defined Widget] wcaps 0xf00000: Mono Node 0x14 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Control: name=3D"Headphone Playback Switch", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DOut, idx=3D0, ofs=3D0 Control: name=3D"Headphone Mic Boost Volume", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DIn, idx=3D0, ofs=3D0 Control: name=3D"Headphone Mic Jack", index=3D0, device=3D0 Amp-In caps: ofs=3D0x00, nsteps=3D0x03, stepsize=3D0x27, mute=3D0 Amp-In vals: [0x00 0x00] Amp-Out caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-Out vals: [0x00 0x00] Pincap 0x0000373c: IN OUT HP Detect Vref caps: HIZ 50 GRD 80 100 Pin Default 0x01214030: [Jack] HP Out at Ext Rear Conn =3D 1/8, Color =3D Green DefAssociation =3D 0x3, Sequence =3D 0x0 Pin-ctls: 0xc4: OUT HP VREF_80 Unsolicited: tag=3D01, enabled=3D1 Connection: 5 0x0c* 0x0d 0x0e 0x0f 0x26 Node 0x15 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x03, stepsize=3D0x27, mute=3D0 Amp-In vals: [0x00 0x00] Amp-Out caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-Out vals: [0x80 0x80] Pincap 0x0000373c: IN OUT HP Detect Vref caps: HIZ 50 GRD 80 100 Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN VREF_HIZ Unsolicited: tag=3D00, enabled=3D0 Connection: 5 0x0c 0x0d* 0x0e 0x0f 0x26 Node 0x16 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x03, stepsize=3D0x27, mute=3D0 Amp-In vals: [0x00 0x00] Amp-Out caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-Out vals: [0x80 0x80] Pincap 0x0000003c: IN OUT HP Detect Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN Unsolicited: tag=3D00, enabled=3D0 Connection: 5 0x0c 0x0d 0x0e* 0x0f 0x26 Node 0x17 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x03, stepsize=3D0x27, mute=3D0 Amp-In vals: [0x00 0x00] Amp-Out caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-Out vals: [0x80 0x80] Pincap 0x0000003c: IN OUT HP Detect Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN Unsolicited: tag=3D00, enabled=3D0 Connection: 5 0x0c 0x0d 0x0e 0x0f* 0x26 Node 0x18 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Control: name=3D"Speaker Playback Switch", index=3D0, device=3D0 ControlAmp: chs=3D3, dir=3DOut, idx=3D0, ofs=3D0 Control: name=3D"Speaker Phantom Jack", index=3D0, device=3D0 Amp-In caps: ofs=3D0x00, nsteps=3D0x03, stepsize=3D0x27, mute=3D0 Amp-In vals: [0x00 0x00] Amp-Out caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-Out vals: [0x00 0x00] Pincap 0x0000373c: IN OUT HP Detect Vref caps: HIZ 50 GRD 80 100 Pin Default 0x90100120: [Fixed] Speaker at Int N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0x2, Sequence =3D 0x0 Misc =3D NO_PRESENCE Pin-ctls: 0x40: OUT VREF_HIZ Unsolicited: tag=3D00, enabled=3D0 Connection: 5 0x0c 0x0d* 0x0e 0x0f 0x26 Node 0x19 [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x03, stepsize=3D0x27, mute=3D0 Amp-In vals: [0x00 0x00] Amp-Out caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-Out vals: [0x80 0x80] Pincap 0x0000373c: IN OUT HP Detect Vref caps: HIZ 50 GRD 80 100 Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN VREF_HIZ Unsolicited: tag=3D00, enabled=3D0 Connection: 5 0x0c* 0x0d 0x0e 0x0f 0x26 Node 0x1a [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x03, stepsize=3D0x27, mute=3D0 Amp-In vals: [0x00 0x00] Amp-Out caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-Out vals: [0x80 0x80] Pincap 0x0000373c: IN OUT HP Detect Vref caps: HIZ 50 GRD 80 100 Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN VREF_HIZ Unsolicited: tag=3D00, enabled=3D0 Connection: 5 0x0c* 0x0d 0x0e 0x0f 0x26 Node 0x1b [Pin Complex] wcaps 0x40018f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x03, stepsize=3D0x27, mute=3D0 Amp-In vals: [0x00 0x00] Amp-Out caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-Out vals: [0x80 0x80] Pincap 0x0000373c: IN OUT HP Detect Vref caps: HIZ 50 GRD 80 100 Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN VREF_HIZ Unsolicited: tag=3D00, enabled=3D0 Connection: 5 0x0c* 0x0d 0x0e 0x0f 0x26 Node 0x1c [Pin Complex] wcaps 0x400001: Stereo Pincap 0x00000020: IN Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN Node 0x1d [Pin Complex] wcaps 0x400000: Mono Pincap 0x00000020: IN Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN Node 0x1e [Pin Complex] wcaps 0x400300: Mono Digital Pincap 0x00000010: OUT Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x40: OUT Connection: 1 0x06 Node 0x1f [Pin Complex] wcaps 0x400200: Mono Digital Pincap 0x00000020: IN Pin Default 0x400000f0: [N/A] Line Out at Ext N/A Conn =3D Unknown, Color =3D Unknown DefAssociation =3D 0xf, Sequence =3D 0x0 Pin-ctls: 0x20: IN Node 0x20 [Vendor Defined Widget] wcaps 0xf00040: Mono Processing caps: benign=3D0, ncoeff=3D17 Node 0x21 [Volume Knob Widget] wcaps 0x600080: Mono Volume-Knob: delta=3D0, steps=3D32, direct=3D0, val=3D64 Unsolicited: tag=3D00, enabled=3D0 Connection: 0 Node 0x22 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In Amp-In caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x8= 0] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80= ] Connection: 11 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x14 0x15 0x16 0x17 0x0b Node 0x23 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In Amp-In caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x8= 0] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80= ] Connection: 11 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x14 0x15 0x16 0x17 0x0b Node 0x24 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In Amp-In caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-In vals: [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x8= 0] [0x80 0x80] [0x00 0x00] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80= ] Connection: 11 0x18 0x19 0x1a 0x1b 0x1c 0x1d 0x14 0x15 0x16 0x17 0x0b Node 0x25 [Audio Output] wcaps 0x11: Stereo Converter: stream=3D0, channel=3D0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Node 0x26 [Audio Mixer] wcaps 0x20010f: Stereo Amp-In Amp-Out Amp-In caps: ofs=3D0x00, nsteps=3D0x00, stepsize=3D0x00, mute=3D1 Amp-In vals: [0x00 0x00] [0x80 0x80] Amp-Out caps: ofs=3D0x40, nsteps=3D0x40, stepsize=3D0x03, mute=3D0 Amp-Out vals: [0x40 0x40] Connection: 2 0x25 0x0b --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 4 Dec 4 11:38 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 3 Dec 4 11:38 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 2 Dec 4 11:40 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 33 Dec 4 11:38 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Dec 4 11:38 . drwxr-xr-x 3 root root 140 Dec 4 11:38 .. lrwxrwxrwx 1 root root 12 Dec 4 11:38 pci-0000:00:08.0 -> ../controlC0 --MP_/R9+YUJg.vJ55Yi=/69wq6kw Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline --MP_/R9+YUJg.vJ55Yi=/69wq6kw--