!!################################ !!ALSA Information Script v 0.4.63 !!################################ !!Script ran on: Thu Apr 10 13:30:01 UTC 2014 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 3.10.24 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k3.10.24 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 - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [Audio ]: USB-Audio - Bose USB Audio Bose Corporation Bose USB Audio at usb-bcm2708_usb-1.2.1, full speed !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x05a71020, ctrlif=0, ctlerr=0 Card: Bose Corporation Bose USB Audio at usb-bcm2708_usb-1.2.1, full speed Unit: 3 Control: name="PCM Playback Volume", index=0 Info: id=3, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-801, max=-1, dBmin=-312, dBmax=0 Unit: 3 Control: name="PCM Playback Switch", index=0 Info: id=3, 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 Apr 10 21:15 /dev/snd/controlC0 crw-rw---T 1 root audio 116, 16 Apr 10 21:15 /dev/snd/pcmC0D0p crw-rw---T 1 root audio 116, 33 Apr 10 21:09 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Apr 10 21:15 . drwxr-xr-x 4 root root 140 Apr 10 21:15 .. lrwxrwxrwx 1 root root 12 Apr 10 21:15 usb-Bose_Corporation_Bose_USB_Audio-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Apr 10 21:15 . drwxr-xr-x 4 root root 140 Apr 10 21:15 .. lrwxrwxrwx 1 root root 12 Apr 10 21:15 platform-bcm2708_usb-usb-0:1.2.1:1.0 -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY ./alsa-info.sh: line 118: aplay: command not found ARECORD ./alsa-info.sh: line 122: arecord: command not found !!Amixer output !!------------- !!-------Mixer controls for card 0 [Audio] Card hw:0 'Audio'/'Bose Corporation Bose USB Audio at usb-bcm2708_usb-1.2.1, full speed' Mixer name : 'USB Mixer' Components : 'USB05a7:1020' Controls : 3 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum Playback channels: Mono Limits: Playback 0 - 100 Mono: Playback 100 [100%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module bcm2708_wdog ipv6 xt_state iptable_mangle iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_filter ip_tables x_tables r8188eu joydev snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_hwdep snd_soc_bcm2708_i2s regmap_mmio snd_soc_core snd_compress regmap_i2c regmap_spi snd_pcm snd_page_alloc snd_timer i2c_bcm2708 snd !!ALSA/HDA dmesg !!-------------- 6:1:1: cannot get freq at ep 0x1 usbcore: registered new interface driver snd-usb-audio r8188eu: module is from the staging directory, the quality is unknown, you have been warned.