!!################################ !!ALSA Information Script v 0.4.59 !!################################ !!Script ran on: Sat Nov 27 06:51:47 UTC 2010 !!Linux Distribution !!------------------ Ubuntu 10.04.1 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 10.04.1 LTS" !!DMI Information !!--------------- Manufacturer: ECS Product Name: G31T-M7 !!Kernel Information !!------------------ Kernel release: 2.6.32-25-generic Operating System: GNU/Linux Architecture: i686 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: 1.0.21 Library version: 1.0.22 Utilities version: 1.0.22 !!Loaded ALSA modules !!------------------- snd_hda_intel !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes ESound Daemon: Installed - Yes (/usr/bin/esd) Running - No Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0xfea78000 irq 16 !!PCI Soundcards installed in the system !!-------------------------------------- 00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01) !!Advanced information - PCI Vendor/Device/Susbsystem ID's !!-------------------------------------------------------- 00:1b.0 0403: 8086:27d8 (rev 01) Subsystem: 1019:2683 !!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-us122l: index=-2 snd-usb-usx2y: index=-2 snd-usb-caiaq: index=-2 snd-cmipci: mpu_port=0x330 fm_port=0x388 snd-pcsp: index=-2 !!Loaded sound module options !!-------------------------- !!Module: snd_hda_intel 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 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 : 0 id : ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 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 : ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, patch : ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, 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 : 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 single_cmd : N !!HDA-Intel Codec information !!--------------------------- --startcollapse-- Codec: VIA VT1708B 8-Ch Address: 0 Function Id: 0x1 Vendor Id: 0x1106e721 Subsystem Id: 0x10192683 Revision Id: 0x100100 No Modem Function Group found Default PCM: rates [0x0]: bits [0x0]: formats [0x0]: Default Amp-In caps: N/A Default Amp-Out caps: N/A GPIO: io=1, o=0, i=0, unsolicited=1, wake=0 IO[0]: enable=0, dir=0, wake=0, sticky=0, data=0, unsol=0 Node 0x10 [Audio Output] wcaps 0x41d: Stereo Amp-Out Amp-Out caps: ofs=0x2a, nsteps=0x2a, stepsize=0x05, mute=0 Amp-Out vals: [0x00 0x00] Converter: stream=0, channel=0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power: setting=D0, actual=D0 Node 0x11 [Audio Output] wcaps 0x41d: Stereo Amp-Out Amp-Out caps: ofs=0x2a, nsteps=0x2a, stepsize=0x05, mute=0 Amp-Out vals: [0x2a 0x2a] Converter: stream=0, channel=0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power: setting=D0, actual=D0 Node 0x12 [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: setting=D0, actual=D0 Node 0x13 [Audio Input] wcaps 0x10051b: Stereo Amp-In Amp-In caps: ofs=0x0b, nsteps=0x1f, stepsize=0x05, mute=1 Amp-In vals: [0x1f 0x1f] Converter: stream=0, channel=0 SDI-Select: 0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power: setting=D0, actual=D0 Connection: 1 0x17 Node 0x14 [Audio Input] wcaps 0x10051b: Stereo Amp-In Amp-In caps: ofs=0x0b, nsteps=0x1f, stepsize=0x05, mute=1 Amp-In vals: [0x00 0x00] Converter: stream=0, channel=0 SDI-Select: 0 PCM: rates [0x560]: 44100 48000 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power: setting=D0, actual=D0 Connection: 1 0x1e Node 0x15 [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: setting=D0, actual=D0 Node 0x16 [Audio Mixer] wcaps 0x20050b: Stereo Amp-In Amp-In caps: ofs=0x17, nsteps=0x1f, stepsize=0x05, mute=1 Amp-In vals: [0x1f 0x1f] [0x1f 0x1f] [0x00 0x00] [0x00 0x00] [0x00 0x00] [0x9b 0x9b] [0x97 0x97] Power: setting=D0, actual=D0 Connection: 7 0x10 0x1f 0x1a 0x1b 0x1e 0x1d 0x25 Node 0x17 [Audio Selector] wcaps 0x300501: Stereo Power: setting=D0, actual=D0 Connection: 6 0x1f 0x1a 0x1b 0x1e 0x1d* 0x16 Node 0x18 [Audio Selector] wcaps 0x30050d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Power: setting=D0, actual=D0 Connection: 1 0x11 Node 0x19 [Pin Complex] wcaps 0x400581: Stereo Pincap 0x00000014: OUT Detect Pin Default 0x410110f2: [N/A] Line Out at Ext Rear Conn = 1/8, Color = Black DefAssociation = 0xf, Sequence = 0x2 Pin-ctls: 0x40: OUT Unsolicited: tag=00, enabled=0 Power: setting=D0, actual=D0 Connection: 1 0x18 Node 0x1a [Pin Complex] wcaps 0x400581: Stereo Pincap 0x00002334: IN OUT Detect Vref caps: HIZ 50 100 Pin Default 0x01a19036: [Jack] Mic at Ext Rear Conn = 1/8, Color = Pink DefAssociation = 0x3, Sequence = 0x6 Pin-ctls: 0x21: IN VREF_50 Unsolicited: tag=00, enabled=0 Power: setting=D0, actual=D0 Connection: 1 0x26 Node 0x1b [Pin Complex] wcaps 0x400581: Stereo Pincap 0x00002334: IN OUT Detect Vref caps: HIZ 50 100 Pin Default 0x0181303e: [Jack] Line In at Ext Rear Conn = 1/8, Color = Blue DefAssociation = 0x3, Sequence = 0xe Pin-ctls: 0x20: IN VREF_HIZ Unsolicited: tag=00, enabled=0 Power: setting=D0, actual=D0 Connection: 1 0x18 Node 0x1c [Pin Complex] wcaps 0x40058d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0001001c: OUT HP EAPD Detect EAPD 0x2: EAPD Pin Default 0x01014010: [Jack] Line Out at Ext Rear Conn = 1/8, Color = Green DefAssociation = 0x1, Sequence = 0x0 Pin-ctls: 0x40: OUT Unsolicited: tag=00, enabled=0 Power: setting=D0, actual=D0 Connection: 1 0x16 Node 0x1d [Pin Complex] wcaps 0x40058d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0000233c: IN OUT HP Detect Vref caps: HIZ 50 100 Pin Default 0x0221401f: [Jack] HP Out at Ext Front Conn = 1/8, Color = Green DefAssociation = 0x1, Sequence = 0xf Pin-ctls: 0xc0: OUT HP VREF_HIZ Unsolicited: tag=01, enabled=1 Power: setting=D0, actual=D0 Connection: 2 0x16* 0x25 Node 0x1e [Pin Complex] wcaps 0x40058d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Pincap 0x0000233c: IN OUT HP Detect Vref caps: HIZ 50 100 Pin Default 0x02a19038: [Jack] Mic at Ext Front Conn = 1/8, Color = Pink DefAssociation = 0x3, Sequence = 0x8 Pin-ctls: 0x21: IN VREF_50 Unsolicited: tag=00, enabled=0 Power: setting=D0, actual=D0 Connection: 2 0x16* 0x25 Node 0x1f [Pin Complex] wcaps 0x400401: Stereo Pincap 0x00000020: IN Pin Default 0x90370137: [Fixed] CD at Int N/A Conn = Analog, Color = Unknown DefAssociation = 0x3, Sequence = 0x7 Misc = NO_PRESENCE Pin-ctls: 0x20: IN Power: setting=D0, actual=D0 Node 0x20 [Pin Complex] wcaps 0x400701: Stereo Digital Pincap 0x00000010: OUT Pin Default 0x074511f0: [Jack] SPDIF Out at Ext Rear Panel Conn = Optical, Color = Black DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Power: setting=D0, actual=D0 Connection: 1 0x12 Node 0x21 [Pin Complex] wcaps 0x400701: Stereo Digital Pincap 0x00000010: OUT Pin Default 0x47c421f0: [N/A] SPDIF In at Ext Rear Panel Conn = RCA, Color = Grey DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Power: setting=D0, actual=D0 Connection: 1 0x15 Node 0x22 [Pin Complex] wcaps 0x400581: Stereo Pincap 0x00000014: OUT Detect Pin Default 0x410160f1: [N/A] Line Out at Ext Rear Conn = 1/8, Color = Orange DefAssociation = 0xf, Sequence = 0x1 Pin-ctls: 0x40: OUT Unsolicited: tag=00, enabled=0 Power: setting=D0, actual=D0 Connection: 1 0x26 Node 0x23 [Pin Complex] wcaps 0x400581: Stereo Pincap 0x00000014: OUT Detect Pin Default 0x410120f4: [N/A] Line Out at Ext Rear Conn = 1/8, Color = Grey DefAssociation = 0xf, Sequence = 0x4 Pin-ctls: 0x40: OUT Unsolicited: tag=00, enabled=0 Power: setting=D0, actual=D0 Connection: 1 0x27 Node 0x24 [Audio Output] wcaps 0x41d: Stereo Amp-Out Amp-Out caps: ofs=0x2a, nsteps=0x2a, stepsize=0x05, mute=0 Amp-Out vals: [0x2a 0x2a] Converter: stream=0, channel=0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power: setting=D0, actual=D0 Node 0x25 [Audio Output] wcaps 0x41d: Stereo Amp-Out Amp-Out caps: ofs=0x2a, nsteps=0x2a, stepsize=0x05, mute=0 Amp-Out vals: [0x00 0x00] Converter: stream=0, channel=0 PCM: rates [0x5e0]: 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power: setting=D0, actual=D0 Node 0x26 [Audio Selector] wcaps 0x30050d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Power: setting=D0, actual=D0 Connection: 1 0x24 Node 0x27 [Audio Selector] wcaps 0x30050d: Stereo Amp-Out Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1 Amp-Out vals: [0x00 0x00] Power: setting=D0, actual=D0 Connection: 1 0x25 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 8 Nov 27 14:38 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 7 Nov 27 14:38 /dev/snd/hwC0D0 crw-rw---- 1 root audio 116, 6 Nov 27 14:45 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 5 Nov 27 14:46 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Nov 27 14:44 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 3 Nov 27 14:38 /dev/snd/seq crw-rw---- 1 root audio 116, 2 Nov 27 14:38 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Nov 27 14:38 . drwxr-xr-x 3 root root 200 Nov 27 14:38 .. lrwxrwxrwx 1 root root 12 Nov 27 14:38 pci-0000:00:1b.0 -> ../controlC0 !!Aplay/Arecord output !!------------ APLAY **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: VT1708B Analog [VT1708B Analog] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 card 0: Intel [HDA Intel], device 1: VT1708B Digital [VT1708B Digital] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: VT1708B Analog [VT1708B Analog] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 !!Amixer output !!------------- !!-------Mixer controls for card 0 [Intel] amixer: Mixer load hw:0 error: Invalid argument Card hw:0 'Intel'/'HDA Intel at 0xfea78000 irq 16' Mixer name : 'VIA VT1708B 8-Ch' Components : 'HDA:1106e721,10192683,00100100' Controls : 27 amixer: Mixer hw:0 load error: Invalid argument !!Alsactl output !!------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module nls_utf8 isofs ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt snd_hda_codec_via fbcon tileblit snd_hda_intel font snd_hda_codec snd_hwdep bitblit snd_pcm_oss snd_mixer_oss softcursor snd_pcm vga16fb snd_seq_dummy snd_seq_oss vgastate snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq i915 binfmt_misc drm_kms_helper snd_timer option snd_seq_device drm i2c_algo_bit video snd usbserial soundcore snd_page_alloc psmouse ppdev parport_pc output gspca_zc3xx intel_agp lp parport atl2 gspca_main agpgart serio_raw videodev v4l1_compat usb_storage floppy !!Sysfs Files !!----------- /sys/class/sound/hwC0D0/init_pin_configs: 0x19 0x410110f2 0x1a 0x01a19036 0x1b 0x0181303e 0x1c 0x01014010 0x1d 0x0221401f 0x1e 0x02a19038 0x1f 0x90370137 0x20 0x074511f0 0x21 0x47c421f0 0x22 0x410160f1 0x23 0x410120f4 /sys/class/sound/hwC0D0/driver_pin_configs: /sys/class/sound/hwC0D0/user_pin_configs: /sys/class/sound/hwC0D0/init_verbs: !!ALSA/HDA dmesg !!------------------ [ 14.392308] vga16fb: not registering due to another framebuffer present [ 14.737233] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 14.737263] HDA Intel 0000:00:1b.0: setting latency timer to 64 [ 14.828636] Console: switching to colour frame buffer device 128x48 [ 14.874174] hda_codec: num_steps = 0 for NID=0x1c (ctl = Front Playback Volume) [ 14.874320] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.893897] hda_codec: num_steps = 0 for NID=0x1c (ctl = Front Playback Volume) [ 14.906276] hda_codec: num_steps = 0 for NID=0x1c (ctl = Front Playback Volume) [ 14.917125] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.922738] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.928789] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.933315] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.938918] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.945226] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.950240] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.956718] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.964048] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.968831] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.973249] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.977717] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.983124] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 14.992652] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.000226] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.012323] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.021827] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.037324] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.044607] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.072090] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.079797] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.084166] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.088724] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.093164] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.097798] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.102334] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.107468] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.112640] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.117102] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.121700] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.127394] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.131791] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.237060] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.341420] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.351853] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.356478] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.360958] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.365691] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.370295] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.374928] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.381991] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.388344] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.395478] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 15.402198] hda_codec: num_steps = 0 for NID=0x1c (ctl = Front Playback Volume) [ 15.413161] hda_codec: num_steps = 0 for NID=0x1c (ctl = Front Playback Volume) [ 16.064237] PPP BSD Compression module registered -- [ 16.396131] groups: 1 0 [ 18.444260] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 18.464243] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 29.472274] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 29.616247] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 37.586971] ISO 9660 Extensions: Microsoft Joliet Level 1 [ 37.617616] ISOFS: changing to secondary root [ 427.764437] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 803.178818] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 803.184935] hda_codec: num_steps = 0 for NID=0x1d (ctl = Headphone Playback Volume) [ 803.476920] hda_codec: num_steps = 0 for NID=0x1c (ctl = Front Playback Volume)