!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Nov 10 01:31:38 UTC 2016 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.4.30-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.4.30-v7 Library version: 1.0.25 Utilities version: 1.0.25 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Set ]: USB-Audio - C-Media USB Headphone Set C-Media USB Headphone Set at usb-3f980000.usb-1.5, full speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!Loaded sound module options !!--------------------------- !!Module: snd_usb_audio autoclock : Y device_setup : 0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : 0,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1 vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c000c, ctrlif=0, ctlerr=0 Card: C-Media USB Headphone Set at usb-3f980000.usb-1.5, full speed Unit: 9 Control: name="Headphone Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-7264, max=-16, dBmin=-2837, dBmax=-6 Unit: 9 Control: name="Headphone Playback Switch", index=0 Info: id=9, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Auto Gain Control", index=0 Info: id=10, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Mic Capture Volume", index=0 Info: id=10, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=6096, dBmin=0, dBmax=2381 Unit: 10 Control: name="Mic Capture Switch", index=0 Info: id=10, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 13 Control: name="Mic Playback Volume", index=0 Info: id=13, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=12240, dBmin=0, dBmax=4781 Unit: 13 Control: name="Mic Playback Switch", index=0 Info: id=13, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---T 1 root audio 116, 0 Dec 31 1969 /dev/snd/controlC0 crw-rw---T 1 root audio 116, 24 Dec 31 1969 /dev/snd/pcmC0D0c crw-rw---T 1 root audio 116, 16 Nov 9 23:27 /dev/snd/pcmC0D0p crw-rw---T 1 root audio 116, 1 Dec 31 1969 /dev/snd/seq crw-rw---T 1 root audio 116, 33 Dec 31 1969 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Dec 31 1969 . drwxr-xr-x 4 root root 180 Dec 31 1969 .. lrwxrwxrwx 1 root root 12 Dec 31 1969 usb-0d8c_C-Media_USB_Headphone_Set-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Dec 31 1969 . drwxr-xr-x 4 root root 180 Dec 31 1969 .. lrwxrwxrwx 1 root root 12 Dec 31 1969 platform-3f980000.usb-usb-0:1.5:1.0 -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) #pcm.mmap0 { # type mmap_emul; # slave { # pcm "hw:0,0"; # } #} # #pcm.!default { # type plug; # slave { # pcm mmap0; # } #} # # #---------------------- # pcm.dmixer{ type dmix ipc_key 1024 slave { pcm "hw:0,0" period_time 0 period_size 1024 buffer_size 8192 rate 48000 } bindings { 0 0 1 1 } } pcm.asymed { type asym playback.pcm "dmixer" capture.pcm "hw:0,0" } pcm.dsp0 { type plug slave.pcm "asymed" } pcm.!default { type plug slave.pcm "asymed" } pcm.default { type plug slave.pcm "asymed" } ctl.mixer0 { type hw card 0 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Set [C-Media USB Headphone Set], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Set [C-Media USB Headphone Set], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [Set] Card hw:0 'Set'/'C-Media USB Headphone Set at usb-3f980000.usb-1.5, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:000c' Controls : 9 Simple ctrls : 3 Simple mixer control 'Headphone',0 Capabilities: pvolume pswitch pswitch-joined penum Playback channels: Front Left - Front Right Limits: Playback 0 - 151 Mono: Front Left: Playback 103 [68%] [-9.06dB] [on] Front Right: Playback 103 [68%] [-9.06dB] [on] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined penum Playback channels: Mono Capture channels: Mono Limits: Playback 0 - 32 Capture 0 - 16 Mono: Playback 24 [75%] [35.85dB] [off] Capture 9 [56%] [13.39dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined penum Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.Set { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.3 { iface MIXER name 'Mic Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value 24 comment { access 'read write' type INTEGER count 1 range '0 - 32' dbmin 0 dbmax 4781 dbvalue.0 3585 } } control.5 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Headphone Playback Volume' value.0 103 value.1 103 comment { access 'read write' type INTEGER count 2 range '0 - 151' dbmin -2837 dbmax -6 dbvalue.0 -906 dbvalue.1 -906 } } control.7 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Mic Capture Volume' value 9 comment { access 'read write' type INTEGER count 1 range '0 - 16' dbmin 0 dbmax 2381 dbvalue.0 1339 } } control.9 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module sha256_generic hmac drbg ctr ccm i2c_bcm2708 snd_bcm2835 snd_usb_audio snd_hwdep snd_usbmidi_lib snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_midi snd_rawmidi snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_timer pl2303 evdev snd usbserial bcm2835_gpiomem bcm2835_wdt arc4 rt2800usb rt2800lib rt2x00usb rt2x00lib mac80211 uio_pdrv_genirq uio cfg80211 crc_ccitt rfkill !!ALSA/HDA dmesg !!-------------- [ 4.646606] usb 1-1.2: pl2303 converter now attached to ttyUSB0 [ 4.862354] usbcore: registered new interface driver snd-usb-audio [ 6.449070] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)