!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Thu Oct 22 12:07:51 UTC 2020 !!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: 5.4.51-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.51-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 1 [Camera ]: USB-Audio - Trust USB Camera Sunplus IT Co Trust USB Camera at usb-3f980000.usb-1.5, 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_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_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=0x145f0203, ctrlif=2, ctlerr=0 Card: Sunplus IT Co Trust USB Camera 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=0, max=4096, dBmin=0, dBmax=1600 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 Oct 22 10:09 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Oct 22 13:25 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Oct 22 10:09 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 56 Oct 22 13:25 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Oct 22 10:09 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 22 10:09 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Oct 22 13:25 . drwxr-xr-x 4 root root 200 Oct 22 13:25 .. lrwxrwxrwx 1 root root 12 Oct 22 13:25 usb-Sunplus_IT_Co_Trust_USB_Camera_20200407001-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Oct 22 13:25 . drwxr-xr-x 4 root root 200 Oct 22 13:25 .. lrwxrwxrwx 1 root root 12 Oct 22 13:25 platform-3f980000.usb-usb-0:1.5:1.2 -> ../controlC1 lrwxrwxrwx 1 root root 12 Oct 22 10:09 platform-bcm2835_audio -> ../controlC0 !!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 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Camera [Trust USB Camera], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!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 -2000 [77%] [-20.00dB] [on] !!-------Mixer controls for card Camera Card hw:1 'Camera'/'Sunplus IT Co Trust USB Camera at usb-3f980000.usb-1.5, high speed' Mixer name : 'USB Mixer' Components : 'USB145f:0203' Controls : 4 Simple ctrls : 1 Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 4096 Mono: Capture 4096 [100%] [16.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'Headphone Playback Volume' value -2000 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2000 } } control.2 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN 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 true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Mic Capture Volume' value 4096 comment { access 'read write' type INTEGER count 1 range '0 - 4096' dbmin 0 dbmax 1600 dbvalue.0 1600 } } control.4 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q aes_arm_bs bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 ccm cfg80211 cryptd crypto_simd evdev fixed garp ip_tables ipv6 libarc4 libsha256 llc mac80211 mc nf_defrag_ipv6 raspberrypi_hwmon rfkill rtl8192c_common rtl8192cu rtl_usb rtlwifi 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: 240555 [ 0.000000] Kernel command line: coherent_pool=1M snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyAMA0,115200 console=tty1 root=PARTUUID=429ff3d7-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) -- [ 8.783527] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 8.784830] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 8.788194] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. -- [11664.749703] usb 1-1.5: [5] FU [Mic Capture Volume] ch = 1, val = 0/4096/1 [11664.753867] usbcore: registered new interface driver snd-usb-audio [11665.297883] Under-voltage detected! (0x00050005) !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA