!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sun Aug 6 13:49:02 UTC 2017 !!Linux Distribution !!------------------ CentOS Linux release 7.0.1406 (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 Linux release 7.0.1406 (Core) CentOS Linux release 7.0.1406 (Core) !!DMI Information !!--------------- Manufacturer: Dell Product Name: C5110 Product Version: Firmware Version: 5.08 !!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: 1.1.1 Utilities version: 1.1.1 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [Set ]: USB-Audio - C-Media USB Headphone Set C-Media USB Headphone Set at usb-0000:00:1d.7-1.1, 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=0x0d8c000c, ctrlif=0, ctlerr=0 Card: C-Media USB Headphone Set at usb-0000:00:1d.7-1.1, full speed Unit: 9 Control: name="Headphone 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="Headphone 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 Aug 6 21:39 /dev/snd/controlC0 crw-rw----. 1 root audio 116, 4 Aug 6 21:39 /dev/snd/pcmC0D0c crw-rw----. 1 root audio 116, 3 Aug 6 21:39 /dev/snd/pcmC0D0p crw-rw----. 1 root audio 116, 1 Aug 6 21:39 /dev/snd/seq crw-rw----. 1 root audio 116, 33 Aug 6 21:39 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x. 2 root root 60 Aug 6 21:39 . drwxr-xr-x. 4 root root 180 Aug 6 21:39 .. lrwxrwxrwx. 1 root root 12 Aug 6 21:39 usb-0d8c_C-Media_USB_Headphone_Set-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x. 2 root root 60 Aug 6 21:39 . drwxr-xr-x. 4 root root 180 Aug 6 21:39 .. lrwxrwxrwx. 1 root root 12 Aug 6 21:39 pci-0000:00:1d.7-usb-0:1.1:1.0 -> ../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: Set [C-Media USB Headphone Set], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Set [C-Media USB Headphone Set], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [Set] Card hw:0 'Set'/'C-Media USB Headphone Set at usb-0000:00:1d.7-1.1, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:000c' Controls : 9 Simple ctrls : 3 Simple mixer control 'Headphone',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.Set { 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 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Headphone 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 fuse vboxpci vboxnetadp vboxnetflt vboxdrv binfmt_misc ip6t_rpfilter ip6t_REJECT ipt_REJECT xt_conntrack cfg80211 rfkill ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iptable_filter snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq snd_seq_device snd_pcm snd_timer snd soundcore nouveau ast iTCO_wdt iTCO_vendor_support dcdbas mxm_wmi wmi syscopyarea sysfillrect video coretemp kvm_intel sysimgblt igb ttm drm_kms_helper kvm drm ptp pps_core sg lpc_ich mfd_core crc32c_intel serio_raw pcspkr i2c_i801 i2c_algo_bit ioatdma i2c_core ipmi_devintf dca i7core_edac edac_core ipmi_si ipmi_msghandler shpchp nfsd auth_rpcgss nfs_acl lockd sunrpc ip_tables ext4 mbcache jbd2 sd_mod crc_t10dif crct10dif_common ata_generic pata_acpi ata_piix libata !!ALSA/HDA dmesg !!-------------- [ 22.481115] SELinux: initialized (dev sda7, type ext4), uses xattr [ 22.985963] usbcore: registered new interface driver snd-usb-audio [ 32.125473] Console: switching to colour frame buffer device 128x48