!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Tue Oct 20 00:19:13 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-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.51-v7l 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 [Audio ]: USB-Audio - iFi (by AMR) HD USB Audio iFi (by AMR) iFi (by AMR) HD USB Audio at usb-0000:01:00.0-1.1, 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_soc_core: pmdown_time -1 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=0x20b13008, ctrlif=0, ctlerr=0 Card: iFi (by AMR) iFi (by AMR) HD USB Audio at usb-0000:01:00.0-1.1, high speed Unit: 41 Control: name="iFi (by AMR) Internal Clock Validity", index=0 Info: id=41, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Oct 20 00:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Oct 20 01:10 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Oct 20 00:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Oct 20 01:10 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Oct 20 00:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 20 00:17 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Oct 20 01:10 . drwxr-xr-x 4 root root 200 Oct 20 01:10 .. lrwxrwxrwx 1 root root 12 Oct 20 01:10 usb-iFi__by_AMR__iFi__by_AMR__HD_USB_Audio-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Oct 20 01:10 . drwxr-xr-x 4 root root 200 Oct 20 01:10 .. lrwxrwxrwx 1 root root 12 Oct 20 00:17 platform-bcm2835_audio -> ../controlC0 lrwxrwxrwx 1 root root 12 Oct 20 01:10 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.1:1.0 -> ../controlC1 !!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 card 1: Audio [iFi (by AMR) HD USB Audio], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!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 Audio Card hw:1 'Audio'/'iFi (by AMR) iFi (by AMR) HD USB Audio at usb-0000:01:00.0-1.1, high speed' Mixer name : 'USB Mixer' Components : 'USB20b1:3008' Controls : 3 Simple ctrls : 0 !!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.Audio { control.1 { iface PCM name 'Playback Channel Map' value.0 3 value.1 4 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface CARD name 'iFi (by AMR) Internal Clock Validity' value true comment { access read type BOOLEAN count 1 } } control.3 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cfg80211 cmac drm drm_panel_orientation_quirks ecc ecdh_generic fb_sys_fops garp gpu_sched hci_uart i2c_dev ip_tables ipv6 libsha256 llc mc nf_defrag_ipv6 raspberrypi_hwmon rfcomm rfkill rpivid_mem sha256_generic snd snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_timer snd_usb_audio snd_usbmidi_lib stp syscopyarea sysfillrect sysimgblt uio uio_pdrv_genirq v3d 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: 2059008 [ 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 smsc95xx.macaddr=DC:A6:32:C7:94:42 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=b1443856-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) -- [ 4.322826] mc: Linux media interface: v0.10 [ 4.338923] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.358722] snd_soc_core: `' invalid for parameter `pmdown_time' [ 4.358739] snd_soc_core: unknown parameter '-1' ignored [ 4.367925] bcm2835_audio bcm2835_audio: card created with 8 channels -- [ 5.273210] usb 1-1.4: 1:2 : unsupported format bits 0x100000000 [ 5.490054] usbcore: registered new interface driver snd-usb-audio [ 6.887327] random: crng init done !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA