!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Thu Nov 12 09:25:44 UTC 2020 !!Linux Distribution !!------------------ Ubuntu 20.10 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 20.10" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.10" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=groovy !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.8.0-1007-raspi Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.8.0-1007-raspi Library version: 1.2.3.2 Utilities version: 1.2.3 !!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_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 2 [Webcam ]: USB-Audio - B525 HD Webcam B525 HD Webcam at usb-0000:01:00.0-1.2, high 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_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: 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 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 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 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) 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=0x046d0836, ctrlif=0, ctlerr=0 Card: B525 HD Webcam at usb-0000:01:00.0-1.2, high speed Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=1536, max=7680, dBmin=600, dBmax=3000 Unit: 5 Control: name="Mic Capture Switch", index=0 Info: id=5, 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, 3 Sep 25 00:57 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Sep 25 00:57 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 7 Sep 25 00:57 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 2 Sep 25 00:57 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Sep 25 00:57 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 6 Sep 25 00:57 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 1 Sep 25 00:57 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Sep 25 00:57 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Sep 25 00:57 . drwxr-xr-x 4 root root 240 Sep 25 00:57 .. lrwxrwxrwx 1 root root 12 Sep 25 00:57 usb-046d_B525_HD_Webcam_CDB30610-00 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Sep 25 00:57 . drwxr-xr-x 4 root root 240 Sep 25 00:57 .. lrwxrwxrwx 1 root root 12 Sep 25 00:57 platform-bcm2835_audio -> ../controlC1 lrwxrwxrwx 1 root root 12 Sep 25 00:57 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0 -> ../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: 3/4 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: Webcam [B525 HD Webcam], 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 -1322 [84%] [-13.22dB] [on] !!-------Mixer controls for card Webcam Card hw:2 'Webcam'/'B525 HD Webcam at usb-0000:01:00.0-1.2, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:0836' Controls : 4 Simple ctrls : 1 Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 6144 Mono: Capture 4608 [75%] [24.00dB] [on] !!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 -1322 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -1322 } } control.2 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Webcam { control.1 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.2 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Mic Capture Volume' value 4608 comment { access 'read write' type INTEGER count 1 range '0 - 6144' dbmin 600 dbmax 3000 dbvalue.0 2400 } } control.4 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ ac97_bus autofs4 bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 blake2b_generic bluetooth bnep brcmfmac brcmutil btbcm btintel btqca btrfs btrtl btsdio cec cfg80211 crct10dif_ce dm_log dm_mirror dm_region_hash drm drm_kms_helper ecc ecdh_generic fb_sys_fops gpu_sched hci_uart hid_generic input_leds ip_tables libcrc32c lp mc parport phy_generic ppdev raid6_pq raspberrypi_hwmon rpivid_mem sch_fq_codel snd snd_bcm2835 snd_compress snd_hwdep snd_mixer_oss snd_pcm snd_pcm_dmaengine snd_pcm_oss snd_rawmidi snd_seq snd_seq_device snd_seq_dummy snd_seq_midi snd_seq_midi_event snd_seq_oss snd_soc_core snd_timer snd_usb_audio snd_usbmidi_lib spidev syscopyarea sysfillrect sysimgblt uas uio uio_pdrv_genirq usb_storage usbhid uvcvideo v3d v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xhci_pci xhci_pci_renesas xor xor_neon !!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_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 video=HDMI-A-1:1920x1080M@60 smsc95xx.macaddr=DC:A6:32:D5:33:E9 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=tty1 root=LABEL=writable rootfstype=ext4 elevator=deadline rootwait fixrtc quiet splash [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 7.963410] uvcvideo: Found UVC 1.00 device B525 HD Webcam (046d:0836) [ 8.005240] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 8.007257] brcmfmac: F1 signature read @0x18000000=0x15294345 -- [ 8.127268] usb 1-1.2: [5] FU [Mic Capture Volume] ch = 1, val = 1536/7680/1 [ 8.128311] usbcore: registered new interface driver snd-usb-audio [ 8.243540] Bluetooth: Core ver 2.22 !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.3-1 all ALSA topology configuration files ii alsa-ucm-conf 1.2.2-1ubuntu5 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.3-1ubuntu1 arm64 Utilities for configuring and using ALSA