!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Mar 24 03:54:28 UTC 2020 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.97-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.97-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [MP3 ]: USB-Audio - Sound Blaster MP3 Creative Labs Sound Blaster MP3 at usb-3f980000.usb-1.2, full speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!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 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!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 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x041e3010, ctrlif=0, ctlerr=0 Card: Creative Labs Sound Blaster MP3 at usb-3f980000.usb-1.2, full speed Unit: 8 Control: name="Capture Source", index=0 Info: id=8, control=0, cmask=0x0, channels=1, type="U8" Volume: min=1, max=3, dBmin=0, dBmax=0 Unit: 9 Control: name="Master Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-12256, max=-16, dBmin=-4787, dBmax=-6 Unit: 9 Control: name="Master 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="Mic Boost", 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=-48, max=6096, dBmin=-1781, dBmax=618 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: 11 Control: name="Line Capture Volume", index=0 Info: id=11, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-48, max=6096, dBmin=-1781, dBmax=618 Unit: 11 Control: name="Line Capture Switch", index=0 Info: id=11, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 12 Control: name="Digital In Playback Switch", index=0 Info: id=12, 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=-4781, dBmax=0 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 Unit: 14 Control: name="Line Playback Volume", index=0 Info: id=14, control=2, cmask=0x3, channels=2, type="S16" Volume: min=0, max=12240, dBmin=-4781, dBmax=0 Unit: 14 Control: name="Line Playback Switch", index=0 Info: id=14, 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, 0 Feb 13 16:09 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Mar 24 03:40 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Feb 13 16:09 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Feb 13 16:09 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Feb 13 16:09 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 56 Mar 24 03:40 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Mar 24 03:40 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Mar 24 02:34 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 24 02:34 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 24 03:40 . drwxr-xr-x 4 root root 260 Mar 24 03:40 .. lrwxrwxrwx 1 root root 12 Mar 24 03:40 usb-041e_USB_Audio-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Mar 24 03:40 . drwxr-xr-x 4 root root 260 Mar 24 03:40 .. lrwxrwxrwx 1 root root 12 Mar 24 03:40 platform-3f980000.usb-usb-0:1.2:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Feb 13 16:09 platform-soc:audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: MP3 [Sound Blaster MP3 ], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: MP3 [Sound Blaster MP3 ], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -2000 [77%] [-20.00dB] [on] !!-------Mixer controls for card 1 [MP3] Card hw:1 'MP3'/'Creative Labs Sound Blaster MP3 at usb-3f980000.usb-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB041e:3010' Controls : 16 Simple ctrls : 6 Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 148 [58%] [-20.13dB] [on] Front Right: Playback 148 [58%] [-20.13dB] [on] Simple mixer control 'Line',0 Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 255 Capture 0 - 128 Front Left: Playback 191 [75%] [-12.00dB] [off] Capture 1 [1%] [-17.63dB] [off] Front Right: Playback 191 [75%] [-12.00dB] [off] Capture 1 [1%] [-17.63dB] [off] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined cswitch-exclusive Capture exclusive group: 0 Playback channels: Mono Capture channels: Mono Limits: Playback 0 - 255 Capture 0 - 128 Mono: Playback 191 [75%] [-12.00dB] [on] Capture 1 [1%] [-17.63dB] [on] Simple mixer control 'Mic Boost',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'IEC958 In',0 Capabilities: cswitch cswitch-joined cswitch-exclusive Capture exclusive group: 0 Capture channels: Mono Mono: Capture [off] Simple mixer control 'Digital In',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -2000 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2000 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 3' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } state.MP3 { 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 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Mic Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value 191 comment { access 'read write' type INTEGER count 1 range '0 - 255' dbmin -4781 dbmax 0 dbvalue.0 -1200 } } control.5 { iface MIXER name 'Line Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Line Playback Volume' value.0 191 value.1 191 comment { access 'read write' type INTEGER count 2 range '0 - 255' dbmin -4781 dbmax 0 dbvalue.0 -1200 dbvalue.1 -1200 } } control.7 { iface MIXER name 'Master Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Master Playback Volume' value.0 148 value.1 148 comment { access 'read write' type INTEGER count 2 range '0 - 255' dbmin -4787 dbmax -6 dbvalue.0 -2013 dbvalue.1 -2013 } } control.9 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface MIXER name 'Mic Capture Volume' value 1 comment { access 'read write' type INTEGER count 1 range '0 - 128' dbmin -1781 dbmax 618 dbvalue.0 -1763 } } control.11 { iface MIXER name 'Mic Boost' value true comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'Line Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.13 { iface MIXER name 'Line Capture Volume' value.0 1 value.1 1 comment { access 'read write' type INTEGER count 2 range '0 - 128' dbmin -1781 dbmax 618 dbvalue.0 -1763 dbvalue.1 -1763 } } control.14 { iface MIXER name 'Digital In Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.15 { iface MIXER name 'Capture Source' value Mic comment { access 'read write' type ENUMERATED count 1 item.0 Mic item.1 Line item.2 'IEC958 In' } } control.16 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device bnep hci_uart btbcm serdev bluetooth ecdh_generic 8021q garp stp llc brcmfmac brcmutil sha256_generic cfg80211 raspberrypi_hwmon hwmon rfkill snd_bcm2835 snd_pcm bcm2835_codec snd_timer snd v4l2_mem2mem bcm2835_v4l2 bcm2835_mmal_vchiq v4l2_common videobuf2_dma_contig videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media vc_sm_cma uio_pdrv_genirq uio fixed ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 4.810242] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 4.826106] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.841568] bcm2835_audio soc:audio: card created with 8 channels -- [ 4239.192363] usb 1-1.2: Product: USB Audio [ 4239.762983] usbcore: registered new interface driver snd-usb-audio [ 4239.789967] Under-voltage detected! (0x00050005)