!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Sep 8 07:10:24 UTC 2015 !!Linux Distribution !!------------------ CentOS Linux release 7.1.1503 (Core) NAME="CentOS Linux" ID="centos" ID_LIKE="rhel fedora" PRETTY_NAME="CentOS Linux 7 (Core)" CPE_NAME="cpe:/o:centos:centos:7" HOME_URL="https://www.centos.org/" BUG_REPORT_URL="https://bugs.centos.org/" CENTOS_MANTISBT_PROJECT="CentOS-7" CENTOS_MANTISBT_PROJECT_VERSION="7" REDHAT_SUPPORT_PRODUCT="centos" REDHAT_SUPPORT_PRODUCT_VERSION="7" CentOS Linux release 7.1.1503 (Core) CentOS Linux release 7.1.1503 (Core) !!DMI Information !!--------------- Manufacturer: Supermicro Product Name: A1SAi Product Version: 123456789 Firmware Version: 1.0c !!Kernel Information !!------------------ Kernel release: 3.10.0-229.7.2.el7.x86_64 Operating System: GNU/Linux Architecture: x86_64 Processor: x86_64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k3.10.0-229.7.2.el7.x86_64 Library version: 1.0.28 Utilities version: 1.0.28 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [U0x41e0x30d3 ]: USB-Audio - USB Device 0x41e:0x30d3 USB Device 0x41e:0x30d3 at usb-0000:03:00.0-2, 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 : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x041e30d3, ctrlif=0, ctlerr=0 Card: USB Device 0x41e:0x30d3 at usb-0000:03:00.0-2, full speed 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=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---- 1 root audio 116, 2 Sep 8 12:00 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 4 Sep 8 12:00 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 3 Sep 8 12:00 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Sep 8 10:30 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Sep 8 10:30 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Sep 8 12:00 . drwxr-xr-x 4 root root 180 Sep 8 12:00 .. lrwxrwxrwx 1 root root 12 Sep 8 12:00 usb-041e_30d3_141020000164-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Sep 8 12:00 . drwxr-xr-x 4 root root 180 Sep 8 12:00 .. lrwxrwxrwx 1 root root 12 Sep 8 12:00 pci-0000:03:00.0-usb-0:2:1.0 -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) # # Place your global alsa-lib configuration here... # !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: U0x41e0x30d3 [USB Device 0x41e:0x30d3], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: U0x41e0x30d3 [USB Device 0x41e:0x30d3], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [U0x41e0x30d3] Card hw:0 'U0x41e0x30d3'/'USB Device 0x41e:0x30d3 at usb-0000:03:00.0-2, full speed' Mixer name : 'USB Mixer' Components : 'USB041e:30d3' Controls : 9 Simple ctrls : 3 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 151 Mono: Front Left: Playback 44 [29%] [-20.13dB] [on] Front Right: Playback 44 [29%] [-20.13dB] [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 - 32 Capture 0 - 16 Mono: Playback 23 [72%] [34.36dB] [off] Capture 0 [0%] [0.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.U0x41e0x30d3 { 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 23 comment { access 'read write' type INTEGER count 1 range '0 - 32' dbmin 0 dbmax 4781 dbvalue.0 3436 } } 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 44 value.1 44 comment { access 'read write' type INTEGER count 2 range '0 - 151' dbmin -2837 dbmax -6 dbvalue.0 -2013 dbvalue.1 -2013 } } 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 0 comment { access 'read write' type INTEGER count 1 range '0 - 16' dbmin 0 dbmax 2381 dbvalue.0 0 } } control.9 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq snd_seq_device snd_pcm snd_timer snd soundcore iptable_filter ip_tables bonding ext4 mbcache jbd2 coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel iTCO_wdt iTCO_vendor_support lpc_ich lrw gf128mul glue_helper mfd_core ablk_helper ipmi_si ipmi_msghandler i2c_ismt i2c_i801 shpchp cryptd acpi_cpufreq serio_raw pcspkr xfs libcrc32c sd_mod crc_t10dif crct10dif_common ast syscopyarea sysfillrect sysimgblt drm_kms_helper ttm ahci igb libahci drm libata ptp pps_core dca i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod !!ALSA/HDA dmesg !!-------------- [5701964.648730] hid-generic 0003:041E:30D3.000D: input,hidraw0: USB HID v1.00 Device [HID 041e:30d3] on usb-0000:00:16.0-1.2/input3 [5701964.818240] usbcore: registered new interface driver snd-usb-audio [5702309.741589] usb 1-1.2: USB disconnect, device number 10