!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sun Mar 6 16:25:57 UTC 2022 !!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: 5.10.92-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.10.92-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 !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 2 [C4K ]: USB-Audio - Cam Link 4K Elgato Cam Link 4K at usb-0000:01:00.0-1, super 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 !!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 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 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) skip_validation : N use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0fd90066, ctrlif=3, ctlerr=0 Card: Elgato Cam Link 4K at usb-0000:01:00.0-1, super speed --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Mar 6 17:20 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Mar 6 17:20 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 64 Mar 6 17:25 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 16 Mar 6 17:20 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Mar 6 17:20 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 88 Mar 6 17:25 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 1 Mar 6 17:20 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 6 17:20 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 6 17:25 . drwxr-xr-x 4 root root 240 Mar 6 17:25 .. lrwxrwxrwx 1 root root 12 Mar 6 17:25 usb-Elgato_Cam_Link_4K_0002BF4B29000-03 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Mar 6 17:25 . drwxr-xr-x 4 root root 240 Mar 6 17:25 .. lrwxrwxrwx 1 root root 12 Mar 6 17:20 platform-bcm2835_audio -> ../controlC1 lrwxrwxrwx 1 root root 12 Mar 6 17:25 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1:1.3 -> ../controlC2 !!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 ARECORD **** List of CAPTURE Hardware Devices **** card 2: C4K [Cam Link 4K], 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 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 'Headphone',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 C4K Card hw:2 'C4K'/'Elgato Cam Link 4K at usb-0000:01:00.0-1, super speed' Mixer name : 'USB Mixer' Components : 'USB0fd9:0066' Controls : 2 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.b1 { control.1 { iface MIXER name 'HDMI 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 'HDMI Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Headphones { control.1 { iface MIXER name 'Headphone 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 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.C4K { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q aes_neon_blk aes_neon_bs af_alg algif_hash algif_skcipher backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cec cfg80211 cryptd crypto_simd drm drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fb_sys_fops fuse garp gpu_sched hci_uart hid_logitech_dj hid_logitech_hidpp i2c_dev ip_tables ipv6 joydev llc mc nvmem_rmem raspberrypi_hwmon rfcomm rfkill rpivid_mem snd snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_core snd_timer snd_usb_audio snd_usbmidi_lib stp syscopyarea sysfillrect sysimgblt uio uio_pdrv_genirq uvcvideo v3d v4l2_mem2mem vc4 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: 951552 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:1920x1080M@60 smsc95xx.macaddr=DC:A6:32:4A:16:13 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=f9f790b0-02 rootfstype=ext4 fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles [ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) -- [ 4.782995] [vc_sm_connected_init]: installed successfully [ 4.785973] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.792478] bcm2835_audio bcm2835_audio: card created with 4 channels -- [ 5.769362] random: 7 urandom warning(s) missed due to ratelimiting [ 5.810404] usbcore: registered new interface driver snd-usb-audio [ 5.863214] logitech-djreceiver 0003:046D:C52B.0006: hiddev98,hidraw3: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:01:00.0-1.4/input2 !!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