!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Wed Jul 1 17:10:14 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: 4.19.118 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k4.19.118 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 2 [Audio ]: USB-Audio - USB Audio Generic USB Audio at usb-20980000.usb-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_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_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=0x0bda4809, ctrlif=0, ctlerr=0 Card: Generic USB Audio at usb-20980000.usb-1, high speed Unit: 19 Control: name="Mic Capture Volume", index=0 Info: id=19, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-4512, max=0, dBmin=-1762, dBmax=0 Unit: 19 Control: name="Mic Capture Switch", index=0 Info: id=19, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 22 Control: name="PCM Playback Volume", index=0 Info: id=22, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-16800, max=0, dBmin=-6562, dBmax=0 Unit: 22 Control: name="PCM Playback Switch", index=0 Info: id=22, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 25 Control: name="Extension Unit Switch", index=0 Info: id=25, control=1, 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 Jun 9 00:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jun 9 00:17 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 64 Jun 9 00:33 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 16 Jun 9 00:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Jun 9 00:17 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 88 Jun 9 00:33 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 80 Jun 9 00:33 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Jun 9 00:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jun 9 00:17 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jun 9 00:33 . drwxr-xr-x 4 root root 260 Jun 9 00:33 .. lrwxrwxrwx 1 root root 12 Jun 9 00:33 usb-Generic_USB_Audio-00 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jun 9 00:33 . drwxr-xr-x 4 root root 260 Jun 9 00:33 .. lrwxrwxrwx 1 root root 12 Jun 9 00:33 platform-20980000.usb-usb-0:1:1.0 -> ../controlC2 lrwxrwxrwx 1 root root 12 Jun 9 00:17 platform-soc:audio -> ../controlC0 !!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 1: 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 card 2: Audio [USB Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: Audio [USB Audio], device 0: USB Audio [USB Audio] Subdevices: 1/1 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 Headphones Card hw:1 '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:2 'Audio'/'Generic USB Audio at usb-20980000.usb-1, high speed' Mixer name : 'USB Mixer' Components : 'USB0bda:4809' Controls : 8 Simple ctrls : 3 Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 175 Mono: Front Left: Playback 133 [76%] [-15.75dB] [on] Front Right: Playback 133 [76%] [-15.75dB] [on] Simple mixer control 'Mic',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 47 Front Left: Capture 47 [100%] [0.00dB] [on] Front Right: Capture 47 [100%] [0.00dB] [on] Simple mixer control 'Extension Unit',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!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.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 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Capture Volume' value.0 47 value.1 47 comment { access 'read write' type INTEGER count 2 range '0 - 47' dbmin -1762 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } control.5 { iface MIXER name 'Extension Unit Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'PCM Playback Volume' value.0 133 value.1 133 comment { access 'read write' type INTEGER count 2 range '0 - 175' dbmin -6562 dbmax 0 dbvalue.0 -1575 dbvalue.1 -1575 } } control.8 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2835_codec bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cfg80211 cmac ecdh_generic evdev fixed garp hci_uart hwmon ip_tables ipv6 joydev llc media raspberrypi_hwmon rfkill serdev 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 v4l2_common 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: 64960 [ 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 bcm2708_fb.fbwidth=640 bcm2708_fb.fbheight=480 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:2E:41:F2 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 console=ttyS0,115200 console=tty1 root=PARTUUID=85cce445-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes) -- [ 15.341735] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 15.692681] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 15.859840] bcm2835_audio soc:audio: card created with 4 channels -- [ 18.277794] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Oct 22 2019 01:59:28 version 7.45.98.94 (r723000 CY) FWID 01-3b33decd [ 19.318818] usbcore: registered new interface driver snd-usb-audio [ 27.618831] uart-pl011 20201000.serial: no DMA platform data !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA