!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Mon Mar 20 20:04:54 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: 5.15.84-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.84-v8 Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 1 [C20 ]: USB-Audio - Cambridge Audio USB Audio 2.0 Cambridge Audio Cambridge Audio USB Audio 2.0 at usb-0000:01:00.0-1.4, high spe !!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_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=0x22e8dac2, ctrlif=0, ctlerr=0 Card: Cambridge Audio Cambridge Audio USB Audio 2.0 at usb-0000:01:00.0-1.4, high spe Unit: 10 Control: name="Cambridge Audio Audio 2.0 Output Playback S", index=1 Info: id=10, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Cambridge Audio Audio 2.0 Output Playback S", index=0 Info: id=10, control=1, cmask=0x3, channels=2, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 41 Control: name="Cambridge Audio Internal Clock Validity", index=0 Info: id=41, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Mar 20 07:59 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Mar 20 20:08 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Mar 20 07:59 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Mar 20 20:08 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Mar 20 07:59 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 20 07:59 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 20 20:08 . drwxr-xr-x 4 root root 200 Mar 20 20:08 .. lrwxrwxrwx 1 root root 12 Mar 20 20:08 usb-Cambridge_Audio_Cambridge_Audio_USB_Audio_2.0_0000-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Mar 20 20:08 . drwxr-xr-x 4 root root 200 Mar 20 20:08 .. lrwxrwxrwx 1 root root 12 Mar 20 07:59 platform-bcm2835_audio -> ../controlC0 lrwxrwxrwx 1 root root 12 Mar 20 20:08 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.4:1.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] 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: C20 [Cambridge Audio USB Audio 2.0], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card Headphones Card hw:0 '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 -10239 [0%] [-99999.99dB] [on] !!-------Mixer controls for card C20 Card hw:1 'C20'/'Cambridge Audio Cambridge Audio USB Audio 2.0 at usb-0000:01:00.0-1.4, high spe' Mixer name : 'USB Mixer' Components : 'USB22e8:dac2' Controls : 4 Simple ctrls : 2 Simple mixer control 'Cambridge Audio Audio 2.0 Output Playback S',0 Capabilities: pswitch Playback channels: Front Left - Front Right Mono: Front Left: Playback [on] Front Right: Playback [on] Simple mixer control 'Cambridge Audio Audio 2.0 Output Playback S',1 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'Headphone Playback Volume' value -10239 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -9999999 } } control.2 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.C20 { 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 MIXER name 'Cambridge Audio Audio 2.0 Output Playback S' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.3 { iface MIXER name 'Cambridge Audio Audio 2.0 Output Playback S' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface CARD name 'Cambridge Audio Internal Clock Validity' value true comment { access read type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc cec cfg80211 drm drm_dp_aux_bus drm_kms_helper drm_panel_orientation_quirks edt_ft5x06 fb_sys_fops fuse garp gpu_sched i2c_bcm2835 i2c_brcmstb i2c_dev i2c_mux i2c_mux_pinctrl ip_tables ipv6 llc mc nvmem_rmem panel_simple raspberrypi_hwmon regmap_i2c rfkill rpcsec_gss_krb5 rpi_panel_attiny_regulator rpivid_hevc snd snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_bcm2835_i2s snd_soc_core snd_soc_hdmi_codec snd_timer snd_usb_audio snd_usbmidi_lib stp syscopyarea sysfillrect sysimgblt tc358762 uio uio_pdrv_genirq 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: 996912 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:640x480M@60D video=HDMI-A-2:640x480M@60D smsc95xx.macaddr=DC:A6:32:A5:D2:04 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyAMA0,115200 console=tty1 root=PARTUUID=bfff6365-02 rootfstype=ext4 fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) -- [ 6.712334] [vc_sm_connected_init]: start [ 6.733816] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 6.761848] [vc_sm_connected_init]: installed successfully -- [ 266.558218] usb 1-1.4: SerialNumber: 0000 [ 266.769959] usbcore: registered new interface driver snd-usb-audio !!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 hi bluez-alsa-utils 4.0.0-2moode1 arm64 Bluetooth Audio ALSA Backend (utils)