!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Aug 25 20:30:44 UTC 2015 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 3.18.6 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k3.18.6 Library version: 1.0.28 Utilities version: !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_dummy snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835 - bcm2835 ALSA bcm2835 ALSA 1 [Dummy ]: Dummy - Dummy Dummy 1 2 [Device ]: USB-Audio - C-Media USB Audio Device C-Media USB Audio Device at usb-bcm2708_usb-1.4, full speed !!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 !!--------------------------- !!Module: snd_bcm2835 force_bulk : N !!Module: snd_dummy enable : Y,N,N,N,N,N,N,N fake_buffer : Y hrtimer : Y id : (null),(null),(null),(null),(null),(null),(null),(null) index : -1,-1,-1,-1,-1,-1,-1,-1 model : (null),(null),(null),(null),(null),(null),(null),(null) pcm_devs : 1,1,1,1,1,1,1,1 pcm_substreams : 8,8,8,8,8,8,8,8 !!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 : -2,-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=0x0d8c0008, ctrlif=0, ctlerr=0 Card: C-Media USB Audio Device at usb-bcm2708_usb-1.4, full speed Unit: 9 Control: name="PCM 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="PCM 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 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw-rw- 1 root audio 116, 0 Dec 31 1969 /dev/snd/controlC0 crw-rw-rw- 1 root audio 116, 32 Dec 31 1969 /dev/snd/controlC1 crw-rw-rw- 1 root audio 116, 64 Aug 25 15:13 /dev/snd/controlC2 crw-rw-rw- 1 root audio 116, 16 Dec 31 1969 /dev/snd/pcmC0D0p crw-rw-rw- 1 root audio 116, 17 Dec 31 1969 /dev/snd/pcmC0D1p crw-rw-rw- 1 root audio 116, 56 Dec 31 1969 /dev/snd/pcmC1D0c crw-rw-rw- 1 root audio 116, 48 Dec 31 1969 /dev/snd/pcmC1D0p crw-rw-rw- 1 root audio 116, 88 Aug 25 15:13 /dev/snd/pcmC2D0c crw-rw-rw- 1 root audio 116, 80 Aug 25 15:13 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Dec 31 1969 /dev/snd/seq crw-rw-rw- 1 root audio 116, 33 Dec 31 1969 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Aug 25 15:13 . drwxr-xr-x 4 root root 300 Aug 25 15:13 .. lrwxrwxrwx 1 root root 12 Aug 25 15:13 usb-0d8c_C-Media_USB_Audio_Device-00 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Aug 25 15:13 . drwxr-xr-x 4 root root 300 Aug 25 15:13 .. lrwxrwxrwx 1 root root 12 Aug 25 15:13 platform-bcm2708_usb-usb-0:1.4:1.0 -> ../controlC2 lrwxrwxrwx 1 root root 12 Dec 31 1969 platform-snd_dummy.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY alsa-info.sh: line 122: aplay: command not found ARECORD alsa-info.sh: line 126: arecord: command not found !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] alsa-info.sh: line 147: amixer: command not found alsa-info.sh: line 148: amixer: command not found !!-------Mixer controls for card 1 [Dummy] alsa-info.sh: line 147: amixer: command not found alsa-info.sh: line 148: amixer: command not found !!-------Mixer controls for card 2 [Device] alsa-info.sh: line 147: amixer: command not found alsa-info.sh: line 148: amixer: command not found !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module evdev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device bluetooth ctr ccm arc4 rt2800usb rt2800lib rt2x00usb rt2x00lib mac80211 cfg80211 crc_ccitt rfkill uio_pdrv_genirq uio snd_dummy snd_bcm2835 snd_pcm snd_timer snd bcm2708_wdog ipv6 !!ALSA/HDA dmesg !!-------------- [ 468.330129] hid-generic 0003:0D8C:0008.0001: input,hidraw0: USB HID v1.00 Device [C-Media USB Audio Device ] on usb-bcm2708_usb-1.4/input3 [ 468.508519] usbcore: registered new interface driver snd-usb-audio