!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Apr 28 13:16:40 UTC 2020 !!Linux Distribution !!------------------ Ubuntu 20.04 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 20.04 LTS" 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=focal Ubuntu 20.04 LTS (Focal Fossa) !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.4.0-1008-raspi Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.0-1008-raspi Library version: 1.2.2 Utilities version: 1.2.2 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [U0x46d0x825 ]: USB-Audio - USB Device 0x46d:0x825 USB Device 0x46d:0x825 at usb-0000:01:00.0-1.4, 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 !!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 : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 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) 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=0x046d0825, ctrlif=2, ctlerr=0 Card: USB Device 0x46d:0x825 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=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, 5 Apr 2 01:23 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 7 Apr 2 01:23 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 2 Apr 2 01:23 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Apr 2 01:23 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 4 Apr 2 01:23 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 6 Apr 2 01:23 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Apr 2 01:23 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 2 01:23 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Apr 2 01:23 . drwxr-xr-x 4 root root 240 Apr 2 01:23 .. lrwxrwxrwx 1 root root 12 Apr 2 01:23 usb-046d_0825_40DA07E0-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Apr 2 01:23 . drwxr-xr-x 4 root root 240 Apr 2 01:23 .. lrwxrwxrwx 1 root root 12 Apr 2 01:23 platform-bcm2835_audio -> ../controlC0 lrwxrwxrwx 1 root root 12 Apr 2 01:23 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.4:1.2 -> ../controlC1 !!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: U0x46d0x825 [USB Device 0x46d:0x825], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 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 -2054 [77%] [-20.54dB] [on] !!-------Mixer controls for card U0x46d0x825 Card hw:1 'U0x46d0x825'/'USB Device 0x46d:0x825 at usb-0000:01:00.0-1.4, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:0825' Controls : 4 Simple ctrls : 1 Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 16 Mono: Capture 13 [81%] [25.50dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -2054 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2054 } } 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 0 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.U0x46d0x825 { 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 13 comment { access 'read write' type INTEGER count 1 range '0 - 16' dbmin 600 dbmax 3000 dbvalue.0 2550 } } control.4 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_neon_blk aes_neon_bs async_memcpy async_pq async_raid6_recov async_tx async_xor autofs4 bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btrfs btsdio cfg80211 crct10dif_ce cryptd crypto_simd dm_multipath drm ecc ecdh_generic hid_generic input_leds ip_tables joydev libcrc32c linear lp mc multipath parport phy_generic ppdev raid0 raid1 raid10 raid456 raid6_pq raspberrypi_hwmon rpivid_mem sch_fq_codel scsi_dh_alua scsi_dh_emc scsi_dh_rdac snd snd_bcm2835 snd_hwdep snd_mixer_oss snd_pcm snd_pcm_oss snd_rawmidi snd_seq snd_seq_device snd_seq_dummy snd_seq_midi snd_seq_midi_event snd_seq_oss snd_timer snd_usb_audio snd_usbmidi_lib spidev uas uio uio_pdrv_genirq usb_storage usbhid uvcvideo vc_sm_cma videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xor xor_neon zstd_compress !!ALSA/HDA dmesg !!-------------- [ 8.941656] USB Video Class driver (1.1.1) [ 9.054648] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 9.069043] bcm2835_audio bcm2835_audio: card created with 8 channels -- [ 10.576274] usb 1-1.4: set resolution quirk: cval->res = 384 [ 10.576983] usbcore: registered new interface driver snd-usb-audio [ 10.844543] alua: device handler registered