!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Wed Oct 11 19:55:09 UTC 2023 !!Linux Distribution !!------------------ Debian GNU/Linux 11 \n \l PRETTY_NAME="Debian GNU/Linux 11 (bullseye)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 6.1.21-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.1.21-v8 Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_aloop snd_bcm2835 vc4 vc4 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Loopback ]: Loopback - Loopback Loopback 1 1 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 2 [vc4hdmi0 ]: vc4-hdmi - vc4-hdmi-0 vc4-hdmi-0 3 [vc4hdmi1 ]: vc4-hdmi - vc4-hdmi-1 vc4-hdmi-1 4 [CameraB409241 ]: USB-Audio - USB Camera-B4.09.24.1 OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-0000:01:00.0-1.1.4.4 !!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 snd_bcm2835: enable_hdmi=0 !!Loaded sound module options !!--------------------------- !!Module: snd_aloop enable : Y,N,N,N,N,N,N,N id : (null),(null),(null),(null),(null),(null),(null),(null) index : -1,-1,-1,-1,-1,-1,-1,-1 pcm_notify : 0,0,0,0,0,0,0,0 pcm_substreams : 8,8,8,8,8,8,8,8 timer_source : (null),(null),(null),(null),(null),(null),(null),(null) !!Module: snd_bcm2835 enable_hdmi : N enable_headphones : Y force_bulk : N num_channels : 8 !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : (null) !!Module: vc4 fkms_max_refresh_rate : 85 force_hotplug : 0 tv_norm : (null) !!Module: snd_usb_audio autoclock : Y delayed_register : (null),(null),(null),(null),(null),(null),(null),(null) 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 implicit_fb : N,N,N,N,N,N,N,N index : -2,-1,-1,-1,-1,-1,-1,-1 lowlatency : Y pid : -1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null) quirk_flags : 0,0,0,0,0,0,0,0 skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x14152000, ctrlif=1, ctlerr=0 Card: OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-0000:01:00.0-1.1.4.4 Unit: 3 Control: name="Mic Capture Volume", index=0 Info: id=3, control=2, cmask=0xf, channels=4, type="S16" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Oct 11 20:52 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Oct 11 20:52 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 64 Oct 11 20:52 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 96 Oct 11 20:52 /dev/snd/controlC3 crw-rw---- 1 root audio 116, 128 Oct 11 20:52 /dev/snd/controlC4 crw-rw---- 1 root audio 116, 24 Oct 11 20:52 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 Oct 11 20:52 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 25 Oct 11 20:52 /dev/snd/pcmC0D1c crw-rw---- 1 root audio 116, 17 Oct 11 20:52 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 48 Oct 11 20:52 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 80 Oct 11 20:52 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 112 Oct 11 20:52 /dev/snd/pcmC3D0p crw-rw---- 1 root audio 116, 152 Oct 11 20:52 /dev/snd/pcmC4D0c crw-rw---- 1 root audio 116, 1 Oct 11 20:52 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 11 20:52 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Oct 11 20:52 . drwxr-xr-x 4 root root 380 Oct 11 20:52 .. lrwxrwxrwx 1 root root 12 Oct 11 20:52 usb-OmniVision_Technologies__Inc._USB_Camera-B4.09.24.1-01 -> ../controlC4 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 140 Oct 11 20:52 . drwxr-xr-x 4 root root 380 Oct 11 20:52 .. lrwxrwxrwx 1 root root 12 Oct 11 20:52 platform-bcm2835_audio -> ../controlC1 lrwxrwxrwx 1 root root 12 Oct 11 20:52 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.1.4.4:1.1 -> ../controlC4 lrwxrwxrwx 1 root root 12 Oct 11 20:52 platform-fef00700.hdmi -> ../controlC2 lrwxrwxrwx 1 root root 12 Oct 11 20:52 platform-fef05700.hdmi -> ../controlC3 lrwxrwxrwx 1 root root 12 Oct 11 20:52 platform-snd_aloop.0 -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 7/8 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 Subdevice #7: subdevice #7 card 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 8/8 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 Subdevice #7: subdevice #7 card 1: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 7/8 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 Subdevice #7: subdevice #7 card 2: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 3: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 7/8 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 Subdevice #7: subdevice #7 card 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 7/8 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 Subdevice #7: subdevice #7 card 4: CameraB409241 [USB Camera-B4.09.24.1], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Loopback Card hw:0 'Loopback'/'Loopback 1' Mixer name : 'Loopback Mixer' Components : '' Controls : 97 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [0.00dB] Front Right: Playback 255 [100%] [0.00dB] !!-------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 -1391 [83%] [-13.91dB] [on] !!-------Mixer controls for card vc4hdmi0 Card hw:2 'vc4hdmi0'/'vc4-hdmi-0' Mixer name : '' Components : '' Controls : 4 Simple ctrls : 0 !!-------Mixer controls for card vc4hdmi1 Card hw:3 'vc4hdmi1'/'vc4-hdmi-1' Mixer name : '' Components : '' Controls : 4 Simple ctrls : 0 !!-------Mixer controls for card CameraB409241 amixer: Mixer load hw:4 error: Invalid argument Card hw:4 'CameraB409241'/'OmniVision Technologies, Inc. USB Camera-B4.09.24.1 at usb-0000:01:00.0-1.1.4.4' Mixer name : 'USB Mixer' Components : 'USB1415:2000' Controls : 2 amixer: Mixer hw:4 load error: Invalid argument !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 aes_generic af_alg algif_hash algif_skcipher backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep br_netfilter bridge btbcm cdc_acm cec chacha_neon cmac drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks drm_shmem_helper ecc ecdh_generic fb_sys_fops fuse gpu_sched gspca_main gspca_ov534 hci_uart i2c_bcm2835 i2c_brcmstb i2c_dev ip6_udp_tunnel ip_tables ipv6 libaes libchacha libchacha20poly1305 libcurve25519_generic llc mc nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nvmem_rmem overlay poly1305_neon raspberrypi_hwmon rfcomm rfkill rpivid_hevc sg snd snd_aloop snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_core snd_soc_hdmi_codec snd_timer snd_usb_audio snd_usbmidi_lib stp syscopyarea sysfillrect sysimgblt udp_tunnel uio uio_pdrv_genirq v3d v4l2_mem2mem vc4 vc_sm_cma veth videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev wireguard x_tables xfrm_algo xfrm_user xt_MASQUERADE xt_addrtype xt_conntrack xt_nat xt_tcpudp !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 983808 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_hdmi=0 smsc95xx.macaddr=DC:A6:32:19:A3:9B vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=82ba03f3-02 rootfstype=ext4 fsck.repair=yes rootwait apparmor=1 security=apparmor [ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) -- [ 8.887243] scsi 1:0:0:1: Attached scsi generic sg2 type 13 [ 8.910759] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 8.969371] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned. -- [ 12.825482] usb 1-1.1.4.4: 3:1: cannot get min/max values for control 2 (id 3) [ 12.826484] usbcore: registered new interface driver snd-usb-audio [ 13.002780] audit: type=1400 audit(1697050332.099:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="lsb_release" pid=432 comm="apparmor_parser" !!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 rpt1 arm64 Utilities for configuring and using ALSA