!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Wed Sep 17 22:50:13 UTC 2025 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 6.12.33-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.33-v8 Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes 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_headpho - bcm2835 Headphones bcm2835 Headphones 2 [ICUSBAUDIO7D ]: USB-Audio - ICUSBAUDIO7D ICUSBAUDIO7D at usb-0000:01:00.0-1.1, 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_headphones=0 snd_bcm2835: enable_headphones=1 snd_bcm2835: enable_hdmi=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_hdmi : Y enable_headphones : Y force_bulk : N num_channels : 8 !!Module: snd_bcm2835 enable_hdmi : Y enable_headphones : Y force_bulk : N num_channels : 8 !!Module: snd_usb_audio autoclock : Y delayed_register : (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) 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 implicit_fb : N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N index : -2,-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 lowlatency : Y 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 quirk_alias : (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) quirk_flags : 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 skip_validation : N use_vmalloc : Y 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=0x0d8c0102, ctrlif=0, ctlerr=0 Card: ICUSBAUDIO7D at usb-0000:01:00.0-1.1, full speed Unit: 2 Control: name="PCM Capture Volume", index=0 Info: id=2, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4096, max=2832, dBmin=-1600, dBmax=1106 Unit: 2 Control: name="PCM Capture Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 7 Control: name="PCM Capture Source", index=0 Info: id=7, control=0, cmask=0x0, channels=1, type="U8" Volume: min=1, max=4, dBmin=0, dBmax=0 Unit: 8 Control: name="Mic Capture Volume", index=0 Info: id=8, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4096, max=2832, dBmin=-1600, dBmax=1106 Unit: 8 Control: name="Mic Capture Switch", index=0 Info: id=8, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 9 Control: name="Mic Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-6144, max=1921, dBmin=-2400, dBmax=750 Unit: 9 Control: name="Mic 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: 11 Control: name="Line Playback Volume", index=0 Info: id=11, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-6144, max=1921, dBmin=-2400, dBmax=750 Unit: 11 Control: name="Line Playback 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: 13 Control: name="Speaker Playback Volume", index=0 Info: id=13, control=2, cmask=0xff, channels=8, type="S16" Volume: min=-9456, max=0, dBmin=-3693, dBmax=0 Unit: 13 Control: name="Speaker 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: 15 Control: name="Line Capture Volume", index=0 Info: id=15, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4096, max=2832, dBmin=-1600, dBmax=1106 Unit: 15 Control: name="Line Capture Switch", index=0 Info: id=15, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 16 Control: name="IEC958 In Capture Switch", index=0 Info: id=16, 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, 4 Sep 17 17:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 6 Sep 17 17:17 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 9 Sep 17 17:17 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Sep 17 17:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Sep 17 17:17 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 5 Sep 17 17:17 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 8 Sep 17 17:17 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 7 Sep 18 00:49 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Sep 17 17:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Sep 17 17:17 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Sep 17 17:17 . drwxr-xr-x 4 root root 280 Sep 17 17:17 .. lrwxrwxrwx 1 root root 12 Sep 17 17:17 usb-0d8c_USB_Sound_Device-00 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Sep 17 17:17 . drwxr-xr-x 4 root root 280 Sep 17 17:17 .. lrwxrwxrwx 1 root root 12 Sep 17 17:17 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.1:1.0 -> ../controlC2 lrwxrwxrwx 1 root root 12 Sep 17 17:17 platform-fe00b840.mailbox -> ../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 0: b1 [bcm2835 HDMI 1], device 1: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 1/1 Subdevice #0: subdevice #0 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: ICUSBAUDIO7D [ICUSBAUDIO7D], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: ICUSBAUDIO7D [ICUSBAUDIO7D], 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 : 4 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 0 [96%] [0.00dB] [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 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -94 [95%] [-0.94dB] [on] !!-------Mixer controls for card ICUSBAUDIO7D Card hw:2 'ICUSBAUDIO7D'/'ICUSBAUDIO7D at usb-0000:01:00.0-1.1, full speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:0102' Controls : 16 Simple ctrls : 6 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right - Rear Left - Rear Right - Front Center - Woofer - Side Left - Side Right Limits: Playback 0 - 197 Mono: Front Left: Playback 26 [13%] [-32.06dB] [on] Front Right: Playback 14 [7%] [-34.31dB] [on] Rear Left: Playback 0 [0%] [-36.93dB] [on] Rear Right: Playback 0 [0%] [-36.93dB] [on] Front Center: Playback 0 [0%] [-36.93dB] [on] Woofer: Playback 0 [0%] [-36.93dB] [on] Side Left: Playback 26 [13%] [-32.06dB] [on] Side Right: Playback 26 [13%] [-32.06dB] [on] Simple mixer control 'PCM',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 6928 Front Left: Capture 6928 [100%] [11.06dB] [on] Front Right: Capture 6928 [100%] [11.06dB] [on] Simple mixer control 'PCM Capture Source',0 Capabilities: enum Items: 'Mic' 'Line' 'IEC958 In' 'Mixer' Item0: 'Mic' Simple mixer control 'Line',0 Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 8065 Capture 0 - 6928 Front Left: Playback 3779 [47%] [-9.25dB] [on] Capture 0 [0%] [-16.00dB] [off] Front Right: Playback 3779 [47%] [-9.25dB] [on] Capture 0 [0%] [-16.00dB] [off] Simple mixer control 'Mic',0 Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 8065 Capture 0 - 6928 Front Left: Playback 565 [7%] [-21.80dB] [off] Capture 3505 [51%] [-2.31dB] [off] Front Right: Playback 565 [7%] [-21.80dB] [off] Capture 3505 [51%] [-2.31dB] [off] Simple mixer control 'IEC958 In',0 Capabilities: cswitch cswitch-joined Capture channels: Mono Mono: Capture [on] !!Alsactl output !!-------------- --startcollapse-- state.b1 { control.1 { iface MIXER name 'PCM Playback Volume' value 0 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 0 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.4 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value -94 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -94 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.ICUSBAUDIO7D { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access 'read volatile' type INTEGER count 8 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access 'read volatile' type INTEGER count 2 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.0 565 value.1 565 comment { access 'read write' type INTEGER count 2 range '0 - 8065' dbmin -2400 dbmax 750 dbvalue.0 -2180 dbvalue.1 -2180 } } control.5 { iface MIXER name 'Line Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Line Playback Volume' value.0 3779 value.1 3779 comment { access 'read write' type INTEGER count 2 range '0 - 8065' dbmin -2400 dbmax 750 dbvalue.0 -925 dbvalue.1 -925 } } control.7 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Speaker Playback Volume' value.0 26 value.1 14 value.2 0 value.3 0 value.4 0 value.5 0 value.6 26 value.7 26 comment { access 'read write' type INTEGER count 8 range '0 - 197' dbmin -3693 dbmax 0 dbvalue.0 -3206 dbvalue.1 -3431 dbvalue.2 -3693 dbvalue.3 -3693 dbvalue.4 -3693 dbvalue.5 -3693 dbvalue.6 -3206 dbvalue.7 -3206 } } control.9 { iface MIXER name 'Mic Capture Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface MIXER name 'Mic Capture Volume' value.0 3505 value.1 3505 comment { access 'read write' type INTEGER count 2 range '0 - 6928' dbmin -1600 dbmax 1106 dbvalue.0 -231 dbvalue.1 -231 } } control.11 { iface MIXER name 'Line Capture Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'Line Capture Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 6928' dbmin -1600 dbmax 1106 dbvalue.0 -1600 dbvalue.1 -1600 } } control.13 { iface MIXER name 'IEC958 In Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.14 { iface MIXER name 'PCM Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.15 { iface MIXER name 'PCM Capture Volume' value.0 6928 value.1 6928 comment { access 'read write' type INTEGER count 2 range '0 - 6928' dbmin -1600 dbmax 1106 dbvalue.0 1106 dbvalue.1 1106 } } control.16 { iface MIXER name 'PCM Capture Source' value Mic comment { access 'read write' type ENUMERATED count 1 item.0 Mic item.1 Line item.2 'IEC958 In' item.3 Mixer } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q aes_arm64 aes_generic af_alg algif_hash algif_skcipher backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmfmac_wcc brcmutil btbcm ccm cdc_acm cfg80211 cifs cifs_arc4 cifs_md4 cmac ctr drm drm_panel_orientation_quirks ecc ecdh_generic fuse garp hci_uart i2c_dev ip_tables iptable_filter iptable_mangle iptable_nat ipv6 libaes llc mc md5 netfs nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nls_ucs2_utils nls_utf8 nvmem_rmem raspberrypi_gpiomem raspberrypi_hwmon rfcomm rfkill rpi_hevc_dec sg sha512_arm64 sha512_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 !!-------------- [ 10.376156] usb 1-1.1: [2] FU [PCM Capture Volume] ch = 2, val = -4096/2832/1 [ 10.378333] usbcore: registered new interface driver snd-usb-audio [ 10.518232] Bluetooth: hci0: BCM: chip id 107 !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.4-1 all ALSA topology configuration files ii alsa-ucm-conf 1.2.4-2 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.4-1 armhf Utilities for configuring and using ALSA