!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Mon Jul 27 12:21:23 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: 5.4.51-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.51-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 2 [Headset ]: USB-Audio - Logitech USB Headset Logitech USB Headset Logitech USB Headset at usb-3f980000.usb-1.4, full speed !!PCI Soundcards installed in the system !!-------------------------------------- !!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 snd_bcm2835: enable_compat_alsa=0 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_headphones=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y 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=0x046d0a8f, ctrlif=0, ctlerr=0 Card: Logitech USB Headset Logitech USB Headset at usb-3f980000.usb-1.4, full speed Unit: 19 Control: name="Mic Capture Volume", index=0 Info: id=19, control=2, cmask=0x1, channels=1, type="S16" Volume: min=-1536, max=2816, dBmin=-600, dBmax=1100 Unit: 19 Control: name="Mic Capture Switch", index=0 Info: id=19, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 22 Control: name="Headphone Playback Volume", index=0 Info: id=22, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-10496, max=0, dBmin=-4100, dBmax=0 Unit: 22 Control: name="Headphone Playback Switch", index=0 Info: id=22, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 25 Control: name="Extension Unit Switch", index=0 Info: id=25, control=1, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 35 Control: name="Sidetone Playback Volume", index=0 Info: id=35, control=2, cmask=0x1, channels=1, type="S16" Volume: min=-3840, max=0, dBmin=-1500, dBmax=0 Unit: 35 Control: name="Sidetone Playback Switch", index=0 Info: id=35, 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 Jul 23 19:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jul 23 19:17 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 64 Jul 27 06:04 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 16 Jul 23 19:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Jul 23 19:17 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 88 Jul 27 06:04 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 80 Jul 27 06:04 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Jul 23 19:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 23 19:17 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jul 27 06:04 . drwxr-xr-x 4 root root 260 Jul 27 06:04 .. lrwxrwxrwx 1 root root 12 Jul 27 06:04 usb-Logitech_USB_Headset_Logitech_USB_Headset-00 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jul 27 06:04 . drwxr-xr-x 4 root root 260 Jul 27 06:04 .. lrwxrwxrwx 1 root root 12 Jul 27 06:04 platform-3f980000.usb-usb-0:1.4:1.0 -> ../controlC2 lrwxrwxrwx 1 root root 12 Jul 23 19:17 platform-bcm2835_audio -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 1: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 2: Headset [Logitech USB Headset], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: Headset [Logitech USB Headset], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card b1 Card hw:0 'b1'/'bcm2835 HDMI 1' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'HDMI',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -126 [95%] [-1.26dB] [on] !!-------Mixer controls for card Headphones Card hw:1 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'Headphone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -640 [90%] [-6.40dB] [on] !!-------Mixer controls for card Headset Card hw:2 'Headset'/'Logitech USB Headset Logitech USB Headset at usb-3f980000.usb-1.4, full speed' Mixer name : 'USB Mixer' Components : 'USB046d:0a8f' Controls : 10 Simple ctrls : 4 Simple mixer control 'Headphone',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 110 Mono: Front Left: Playback 71 [65%] [-14.54dB] [on] Front Right: Playback 71 [65%] [-14.54dB] [on] Simple mixer control 'Sidetone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 10 Mono: Playback 0 [0%] [-15.00dB] [off] Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 46 Mono: Capture 46 [100%] [11.00dB] [on] Simple mixer control 'Extension Unit',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!Alsactl output !!-------------- --startcollapse-- state.b1 { control.1 { iface MIXER name 'HDMI Playback Volume' value -126 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -126 } } control.2 { iface MIXER name 'HDMI Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Headphones { control.1 { iface MIXER name 'Headphone Playback Volume' value -640 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -640 } } control.2 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Headset { control.1 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.2 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Capture Volume' value 46 comment { access 'read write' type INTEGER count 1 range '0 - 46' dbmin -600 dbmax 1100 dbvalue.0 1100 } } control.5 { iface MIXER name 'Extension Unit Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Sidetone Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Sidetone Playback Volume' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 10' dbmin -1500 dbmax 0 dbvalue.0 -1500 } } control.8 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.9 { iface MIXER name 'Headphone Playback Volume' value.0 71 value.1 71 comment { access 'read write' type INTEGER count 2 range '0 - 110' dbmin -4100 dbmax 0 dbvalue.0 -1454 dbvalue.1 -1454 } } control.10 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cfg80211 cmac ecc ecdh_generic evdev fixed fuse garp hci_uart i2c_dev ip_tables ipv6 libsha256 llc mc nf_defrag_ipv6 raspberrypi_hwmon rfcomm rfkill sha256_generic snd snd_bcm2835 snd_hwdep snd_pcm snd_rawmidi snd_seq_device snd_timer snd_usb_audio snd_usbmidi_lib stp uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 240792 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=1280 bcm2708_fb.fbheight=1024 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=97709164-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) -- [ 12.840096] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 12.853105] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 12.859489] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. -- [44047.539352] hid-generic 0003:046D:0A8F.0001: input,hidraw0: USB HID v1.11 Device [Logitech USB Headset Logitech USB Headset] on usb-3f980000.usb-1.4/input3 [44048.272992] usbcore: registered new interface driver snd-usb-audio [44081.858806] Under-voltage detected! (0x00050005) !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA