!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Wed Mar 15 09:58:03 UTC 2017 !!Linux Distribution !!------------------ Debian GNU/Linux 8 \n \l PRETTY_NAME="Debian GNU/Linux 8 (jessie)" NAME="Debian GNU/Linux" ID=debian HOME_URL="http://www.debian.org/" SUPPORT_URL="http://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.3.0 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.3.0 Library version: 1.0.28 Utilities version: 1.0.28 !!Loaded ALSA modules !!------------------- !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [sun4icodec ]: sun4i-codec - sun4i-codec sun4i-codec 1 [Device ]: USB-Audio - USB Audio Device C-Media Electronics Inc. USB Audio Device at usb-1c14400.usb-1, full speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c0014, ctrlif=0, ctlerr=0 Card: C-Media Electronics Inc. USB Audio Device at usb-1c14400.usb-1, full speed Unit: 9 Control: name="Speaker Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-9472, max=0, dBmin=-3700, dBmax=0 Unit: 9 Control: name="Speaker 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=-3072, max=5888, dBmin=-1200, dBmax=2300 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=-5888, max=2048, dBmin=-2300, dBmax=800 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---- 1 root audio 116, 0 Mar 15 09:41 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Mar 15 09:42 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 24 Mar 15 09:41 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 Mar 15 09:41 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 56 Mar 15 09:42 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Mar 15 09:46 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 33 Mar 15 09:41 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 15 09:42 . drwxr-xr-x 4 root root 220 Mar 15 09:42 .. lrwxrwxrwx 1 root root 12 Mar 15 09:42 usb-C-Media_Electronics_Inc._USB_Audio_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Mar 15 09:42 . drwxr-xr-x 4 root root 220 Mar 15 09:42 .. lrwxrwxrwx 1 root root 12 Mar 15 09:42 platform-1c14400.usb-usb-0:1:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Mar 15 09:41 platform-1c22c00.codec -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type hw card 1 } ctl.!default { type hw card 1 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: sun4icodec [sun4i-codec], device 0: CDC PCM Codec-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: sun4icodec [sun4i-codec], device 0: CDC PCM Codec-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [sun4icodec] Card hw:0 'sun4icodec'/'sun4i-codec' Mixer name : '' Components : '' Controls : 7 Simple ctrls : 7 Simple mixer control 'Left Mixer Left DAC',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Power Amplifier',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 63 Mono: 56 [89%] [-7.00dB] Simple mixer control 'Power Amplifier DAC',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Power Amplifier Mixer',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Power Amplifier Mute',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Right Mixer Left DAC',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Right Mixer Right DAC',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!-------Mixer controls for card 1 [Device] Card hw:1 'Device'/'C-Media Electronics Inc. USB Audio Device at usb-1c14400.usb-1, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:0014' Controls : 9 Simple ctrls : 3 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 37 Mono: Front Left: Playback 17 [46%] [-20.00dB] [on] Front Right: Playback 17 [46%] [-20.00dB] [on] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined Playback channels: Mono Capture channels: Mono Limits: Playback 0 - 31 Capture 0 - 35 Mono: Playback 16 [52%] [-7.00dB] [off] Capture 20 [57%] [8.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.sun4icodec { control.1 { iface MIXER name 'Power Amplifier Volume' value 56 comment { access 'read write' type INTEGER count 1 range '0 - 63' dbmin -9999999 dbmax 0 dbvalue.0 -700 } } control.2 { iface MIXER name 'Left Mixer Left DAC Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Right Mixer Right DAC Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Right Mixer Left DAC Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'Power Amplifier DAC Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Power Amplifier Mixer Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Power Amplifier Mute Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Device { 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 16 comment { access 'read write' type INTEGER count 1 range '0 - 31' dbmin -2300 dbmax 800 dbvalue.0 -700 } } control.5 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Speaker Playback Volume' value.0 17 value.1 17 comment { access 'read write' type INTEGER count 2 range '0 - 37' dbmin -3700 dbmax 0 dbvalue.0 -2000 dbvalue.1 -2000 } } 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 20 comment { access 'read write' type INTEGER count 1 range '0 - 35' dbmin -1200 dbmax 2300 dbvalue.0 800 } } control.9 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module rfcomm 8723bs cfg80211 snd_usb_audio snd_hwdep snd_usbmidi_lib bnep hid_generic snd_rawmidi hci_uart btbcm btintel cmac ecb bluetooth usb_f_acm u_serial g_serial libcomposite configfs fuse !!ALSA/HDA dmesg !!-------------- [ 3.470000] vbus-usb0: disabling [ 3.480000] ALSA device list: [ 3.480000] #0: sun4i-codec -- [ 27.720000] Bluetooth: BNEP socket layer initialized [ 28.290000] usbcore: registered new interface driver snd-usb-audio [ 28.870000] cfg80211: World regulatory domain updated: