!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Apr 21 11:28:21 UTC 2015 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 3.18.7-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k3.18.7-v7 Library version: 1.0.25 Utilities version: 1.0.25 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Device ]: USB-Audio - USB PnP Sound Device C-Media Electronics Inc. USB PnP Sound Device at usb-bcm2708_usb-1.2, full spee !!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 : -1,-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=0x0d8c013c, ctrlif=0, ctlerr=0 Card: C-Media Electronics Inc. USB PnP Sound Device at usb-bcm2708_usb-1.2, full spee Unit: 9 Control: name="Speaker 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="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=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=6096, dBmin=0, dBmax=2381 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 Jan 1 1970 /dev/snd/controlC0 crw-rw---T 1 root audio 116, 24 Jan 1 1970 /dev/snd/pcmC0D0c crw-rw---T 1 root audio 116, 16 Jan 1 1970 /dev/snd/pcmC0D0p crw------T 1 root root 116, 1 Jan 1 1970 /dev/snd/seq crw-rw---T 1 root audio 116, 33 Jan 1 1970 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jan 1 1970 . drwxr-xr-x 4 root root 180 Jan 1 1970 .. lrwxrwxrwx 1 root root 12 Jan 1 1970 usb-C-Media_Electronics_Inc._USB_PnP_Sound_Device-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jan 1 1970 . drwxr-xr-x 4 root root 180 Jan 1 1970 .. lrwxrwxrwx 1 root root 12 Jan 1 1970 platform-bcm2708_usb-usb-0:1.2:1.0 -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) 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 ALSA lib conf.c:3700:(snd_config_update_r) Cannot access file /usr/share/alsa/alsa.conf ALSA lib control.c:951:(snd_ctl_open_noupdate) Invalid CTL hw:0 aplay: device_list:261: control open (0): No such file or directory **** List of PLAYBACK Hardware Devices **** ARECORD ALSA lib conf.c:3700:(snd_config_update_r) Cannot access file /usr/share/alsa/alsa.conf ALSA lib control.c:951:(snd_ctl_open_noupdate) Invalid CTL hw:0 arecord: device_list:261: control open (0): No such file or directory **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [Device] ALSA lib conf.c:3700:(snd_config_update_r) Cannot access file /usr/share/alsa/alsa.conf ALSA lib control.c:951:(snd_ctl_open_noupdate) Invalid CTL hw:0 amixer: Control device hw:0 open error: No such file or directory ALSA lib conf.c:3700:(snd_config_update_r) Cannot access file /usr/share/alsa/alsa.conf ALSA lib control.c:951:(snd_ctl_open_noupdate) Invalid CTL hw:0 amixer: Mixer attach hw:0 error: No such file or directory !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device snd_pcm snd_timer snd evdev uio_pdrv_genirq uio !!ALSA/HDA dmesg !!-------------- [ 3.497745] hid-generic 0003:04B3:301B.0004: input,hidraw3: USB HID v1.10 Device [Lite-On Technology USB Productivity Option Keyboard( has the hub in # 1 )] on usb-bcm2708_usb-1.3.1/input1 [ 3.741873] usbcore: registered new interface driver snd-usb-audio [ 4.011246] random: nonblocking pool is initialized