!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Fri Apr 3 16:04:51 UTC 2020 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.97-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.97-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [Camera ]: USB-Audio - USB 2.0 PC Camera Alcor Micro, Corp. USB 2.0 PC Camera at usb-0000:01:00.0-1.4, high speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!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 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!Module: snd_usb_audio autoclock : Y 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) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x058f3832, ctrlif=2, ctlerr=0 Card: Alcor Micro, Corp. USB 2.0 PC Camera at usb-0000:01:00.0-1.4, high speed Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x3, channels=2, type="S16" Volume: min=0, max=5120, dBmin=0, dBmax=2000 Unit: 5 Control: name="Mic Capture Switch", index=1 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="Mic Capture Switch", index=0 Info: id=5, control=1, cmask=0x3, channels=2, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Apr 2 11:22 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Apr 2 11:22 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Apr 2 11:22 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Apr 2 11:22 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Apr 2 11:22 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 56 Apr 2 11:22 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Apr 2 11:21 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 2 11:22 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Apr 2 11:22 . drwxr-xr-x 4 root root 240 Apr 2 11:22 .. lrwxrwxrwx 1 root root 12 Apr 2 11:22 usb-Alcor_Micro__Corp._USB_2.0_PC_Camera-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Apr 2 11:22 . drwxr-xr-x 4 root root 240 Apr 2 11:22 .. lrwxrwxrwx 1 root root 12 Apr 2 11:22 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.4:1.2 -> ../controlC1 lrwxrwxrwx 1 root root 12 Apr 2 11:22 platform-soc:audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 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 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Camera [USB 2.0 PC Camera], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -214 [94%] [-2.14dB] [on] !!-------Mixer controls for card 1 [Camera] Card hw:1 'Camera'/'Alcor Micro, Corp. USB 2.0 PC Camera at usb-0000:01:00.0-1.4, high speed' Mixer name : 'USB Mixer' Components : 'USB058f:3832' Controls : 5 Simple ctrls : 2 Simple mixer control 'Mic',0 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right Limits: Capture 0 - 40 Front Left: Capture 33 [82%] [16.50dB] [on] Front Right: Capture 33 [82%] [16.50dB] [on] Simple mixer control 'Mic',1 Capabilities: cswitch cswitch-joined Capture channels: Mono Mono: Capture [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -214 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -214 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 2 comment { access 'read write' type INTEGER count 1 range '0 - 3' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } state.Camera { 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.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.3 { iface MIXER name 'Mic Capture Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Capture Volume' value.0 33 value.1 33 comment { access 'read write' type INTEGER count 2 range '0 - 40' dbmin 0 dbmax 2000 dbvalue.0 1650 dbvalue.1 1650 } } control.5 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module nft_chain_route_ipv4 nf_tables nfnetlink fuse rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic uinput spidev brcmfmac brcmutil sha256_generic cfg80211 rfkill raspberrypi_hwmon i2c_bcm2835 spi_bcm2835 hid_logitech_hidpp evdev joydev uvcvideo usbtouchscreen hid_logitech_dj bcm2835_codec bcm2835_v4l2 v4l2_mem2mem bcm2835_mmal_vchiq videobuf2_dma_contig v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media vc_sm_cma rpivid_mem w1_gpio wire cn hwmon uio_pdrv_genirq uio snd_bcm2835 snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device snd_pcm snd_timer snd i2c_dev ip_tables x_tables !!ALSA/HDA dmesg !!-------------- [ 2.786508] i2c /dev entries driver [ 2.885804] usbcore: registered new interface driver snd-usb-audio [ 2.911302] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 2.915361] bcm2835_audio soc:audio: card created with 8 channels