!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sat Jan 4 16:20:15 UTC 2020 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.66-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.66-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!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 [Device ]: USB-Audio - USB Audio Device GeneralPlus USB Audio Device 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=0x1b3f2008, ctrlif=0, ctlerr=0 Card: GeneralPlus USB Audio Device at usb-3f980000.usb-1.2, full speed Unit: 5 Control: name="Auto Gain Control", index=0 Info: id=5, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-3072, max=8448, dBmin=-1200, dBmax=3300 Unit: 5 Control: name="Mic Capture Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 6 Control: name="Speaker Playback Volume", index=0 Info: id=6, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-11520, max=0, dBmin=-4500, dBmax=0 Unit: 6 Control: name="Speaker Playback Switch", index=0 Info: id=6, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 7 Control: name="Mic Playback Volume", index=0 Info: id=7, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-3072, max=2304, dBmin=-1200, dBmax=900 Unit: 7 Control: name="Mic Playback Switch", index=0 Info: id=7, 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 Jan 3 20:30 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jan 4 11:05 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jan 3 20:30 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jan 3 20:30 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Jan 3 20:30 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 56 Jan 4 11:05 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Jan 4 11:05 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jan 3 20:31 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 3 20:31 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jan 4 11:05 . drwxr-xr-x 4 root root 260 Jan 4 11:05 .. lrwxrwxrwx 1 root root 12 Jan 4 11:05 usb-GeneralPlus_USB_Audio_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jan 4 11:05 . drwxr-xr-x 4 root root 260 Jan 4 11:05 .. lrwxrwxrwx 1 root root 12 Jan 4 11:05 platform-3f980000.usb-usb-0:1.2:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jan 3 20:30 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: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Device [USB Audio Device], 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 400 [100%] [4.00dB] [on] !!-------Mixer controls for card 1 [Device] Card hw:1 'Device'/'GeneralPlus USB Audio Device at usb-3f980000.usb-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB1b3f:2008' Controls : 10 Simple ctrls : 3 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 30 Mono: Front Left: Playback 16 [53%] [-21.00dB] [on] Front Right: Playback 16 [53%] [-21.00dB] [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 - 14 Capture 0 - 30 Mono: Playback 1 [7%] [-10.50dB] [off] Capture 26 [87%] [27.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value 400 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 400 } } 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.Device { 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 1 comment { access 'read write' type INTEGER count 1 range '0 - 14' dbmin -1200 dbmax 900 dbvalue.0 -1050 } } 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 16 value.1 16 comment { access 'read write' type INTEGER count 2 range '0 - 30' dbmin -4500 dbmax 0 dbvalue.0 -2100 dbvalue.1 -2100 } } 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 26 comment { access 'read write' type INTEGER count 1 range '0 - 30' dbmin -1200 dbmax 3300 dbvalue.0 2700 } } control.9 { iface MIXER name 'Auto Gain Control' value false comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module evdev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device bnep hci_uart btbcm serdev rfcomm bluetooth ecdh_generic sha256_generic cfg80211 rfkill bcm2835_codec bcm2835_v4l2 v4l2_mem2mem bcm2835_mmal_vchiq v4l2_common videobuf2_dma_contig snd_bcm2835 videobuf2_vmalloc videobuf2_memops snd_pcm videobuf2_v4l2 videobuf2_common snd_timer raspberrypi_hwmon snd hwmon videodev media vc_sm_cma uio_pdrv_genirq fixed uio ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 4.082194] videodev: Linux video capture interface: v2.00 [ 4.119063] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.128581] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. -- [52482.274484] hid-generic 0003:1B3F:2008.0001: input,hidraw0: USB HID v2.01 Device [GeneralPlus USB Audio Device] on usb-3f980000.usb-1.2/input3 [52482.428416] usbcore: registered new interface driver snd-usb-audio [52482.624324] Under-voltage detected! (0x00050005)