!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sat Sep 24 13:30:22 UTC 2022 !!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: 5.15.61-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.61-v7 Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio snd_bcm2835 !!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 [Webcam ]: USB-Audio - C922 Pro Stream Webcam C922 Pro Stream Webcam at usb-3f980000.usb-1.5, high speed 2 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones !!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 !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x046d085c, ctrlif=2, ctlerr=0 Card: C922 Pro Stream Webcam at usb-3f980000.usb-1.5, high speed Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=5120, max=12800, dBmin=2000, dBmax=5000 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, 0 Sep 24 09:27 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Sep 24 09:27 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 64 Sep 24 09:27 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 16 Sep 24 09:27 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 56 Sep 24 09:27 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 80 Sep 24 09:27 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Sep 24 09:27 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Sep 24 09:27 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Sep 24 09:27 . drwxr-xr-x 4 root root 240 Sep 24 09:27 .. lrwxrwxrwx 1 root root 12 Sep 24 09:27 usb-046d_C922_Pro_Stream_Webcam_7AB2B7BF-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Sep 24 09:27 . drwxr-xr-x 4 root root 240 Sep 24 09:27 .. lrwxrwxrwx 1 root root 12 Sep 24 09:27 platform-3f980000.usb-usb-0:1.5:1.2 -> ../controlC1 lrwxrwxrwx 1 root root 12 Sep 24 09:27 platform-bcm2835_audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type asym playback.pcm { type plug slave.pcm "hw:0,0" } capture.pcm { type plug slave.pcm "hw:1,0" } } ctl.!default { type hw card 0 } !!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 2: 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 1: Webcam [C922 Pro Stream Webcam], device 0: USB Audio [USB Audio] Subdevices: 0/1 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 Webcam Card hw:1 'Webcam'/'C922 Pro Stream Webcam at usb-3f980000.usb-1.5, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:085c' Controls : 3 Simple ctrls : 1 Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 15 Mono: Capture 11 [73%] [42.00dB] [on] !!-------Mixer controls for card Headphones Card hw:2 '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] !!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.Webcam { control.1 { iface PCM name 'Capture Channel Map' value.0 3 value.1 4 comment { access read type INTEGER count 2 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 11 comment { access 'read write' type INTEGER count 1 range '0 - 15' dbmin 2000 dbmax 5000 dbvalue.0 4200 } } } 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 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 cfg80211 drm drm_panel_orientation_quirks fixed fuse garp hid_logitech_dj hid_logitech_hidpp i2c_dev ip_tables ipv6 joydev llc mc raspberrypi_hwmon rfkill sha256_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 uvcvideo v4l2_mem2mem 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: 227360 [ 0.000000] Kernel command line: coherent_pool=1M snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=1280 bcm2708_fb.fbheight=720 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyAMA0,115200 console=tty1 root=PARTUUID=7037ef05-02 rootfstype=ext4 fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) -- [ 12.832524] videodev: Linux video capture interface: v2.00 [ 13.045218] usbcore: registered new interface driver snd-usb-audio [ 13.048900] usb 1-1.5: Found UVC 1.00 device C922 Pro Stream Webcam (046d:085c) -- [ 13.437371] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned. [ 13.453652] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 13.456353] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. !!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 armhf Utilities for configuring and using ALSA