!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Aug 11 11:32:47 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: 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_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 2 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 3 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 4 [Device ]: USB-Audio - USB Audio Device GeneralPlus USB Audio Device at usb-0000:01:00.0-1.2, full 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 snd_hda_intel: model=auto,auto probe_mask=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_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=0x1b3f2008, ctrlif=0, ctlerr=0 Card: GeneralPlus USB Audio Device at usb-0000:01:00.0-1.2, full speed Unit: 5 Control: name="Auto Gain Control", index=0 Info: id=5, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-3072, max=8448, dBmin=-1200, dBmax=3300 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 Unit: 6 Control: name="Speaker Playback Volume", index=0 Info: id=6, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-11520, max=0, dBmin=-4500, dBmax=0 Unit: 6 Control: name="Speaker Playback Switch", index=0 Info: id=6, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 7 Control: name="Mic Playback Volume", index=0 Info: id=7, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-3072, max=2304, dBmin=-1200, dBmax=900 Unit: 7 Control: name="Mic Playback Switch", index=0 Info: id=7, 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, 64 Aug 11 11:49 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 96 Aug 11 11:49 /dev/snd/controlC3 crw-rw---- 1 root audio 116, 128 Aug 11 11:49 /dev/snd/controlC4 crw-rw---- 1 root audio 116, 80 Aug 11 11:49 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 112 Aug 11 11:49 /dev/snd/pcmC3D0p crw-rw---- 1 root audio 116, 152 Aug 11 11:49 /dev/snd/pcmC4D0c crw-rw---- 1 root audio 116, 144 Aug 11 11:49 /dev/snd/pcmC4D0p crw-rw---- 1 root audio 116, 1 Aug 11 11:49 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 11 11:49 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Aug 11 11:49 . drwxr-xr-x 4 root root 260 Aug 11 11:49 .. lrwxrwxrwx 1 root root 12 Aug 11 11:49 usb-GeneralPlus_USB_Audio_Device-00 -> ../controlC4 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Aug 11 11:49 . drwxr-xr-x 4 root root 260 Aug 11 11:49 .. lrwxrwxrwx 1 root root 12 Aug 11 11:49 platform-bcm2835_audio -> ../controlC3 lrwxrwxrwx 1 root root 12 Aug 11 11:49 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0 -> ../controlC4 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) !!System wide config file (/etc/asound.conf) pcm.!default { type hw card 0 } ctl.!default { type hw card 0 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 2: 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 3: 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 4: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 4: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 2 [b1] Card hw:2 '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 -31 [96%] [-0.31dB] [off] !!-------Mixer controls for card 3 [Headphones] Card hw:3 '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 4 [Device] Card hw:4 'Device'/'GeneralPlus USB Audio Device at usb-0000:01:00.0-1.2, full speed' Mixer name : 'USB Mixer' Components : 'USB1b3f:2008' Controls : 10 Simple ctrls : 3 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 30 Mono: Front Left: Playback 26 [87%] [-6.00dB] [on] Front Right: Playback 26 [87%] [-6.00dB] [on] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined Playback channels: Mono Capture channels: Mono Limits: Playback 0 - 14 Capture 0 - 30 Mono: Playback 6 [43%] [-3.00dB] [on] Capture 14 [47%] [9.00dB] [on] Simple mixer control 'Auto Gain Control',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 -31 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -31 } } control.2 { iface MIXER name 'HDMI Playback Switch' value false 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.Device { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.3 { iface MIXER name 'Mic Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value 6 comment { access 'read write' type INTEGER count 1 range '0 - 14' dbmin -1200 dbmax 900 dbvalue.0 -300 } } control.5 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Speaker Playback Volume' value.0 26 value.1 26 comment { access 'read write' type INTEGER count 2 range '0 - 30' dbmin -4500 dbmax 0 dbvalue.0 -600 dbvalue.1 -600 } } control.7 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Mic Capture Volume' value 14 comment { access 'read write' type INTEGER count 1 range '0 - 30' dbmin -1200 dbmax 3300 dbvalue.0 900 } } control.9 { iface MIXER name 'Auto Gain Control' value false comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module sha1_generic sha1_arm_neon sha1_arm ppp_mppe libarc4 cmac bnep hci_uart btbcm bluetooth ecdh_generic ecc sg cdc_ether nft_counter nft_chain_nat xt_nat nf_nat xt_conntrack nf_conntrack nf_defrag_ipv4 xt_tcpudp nft_compat nf_tables nfnetlink 8021q garp stp llc ppp_async crc_ccitt ppp_generic slhc binfmt_misc evdev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device brcmfmac brcmutil sha256_generic libsha256 vc4 cec cfg80211 bcm2835_codec v4l2_mem2mem bcm2835_v4l2 bcm2835_isp bcm2835_mmal_vchiq videobuf2_dma_contig v3d videobuf2_vmalloc videobuf2_memops drm_kms_helper gpu_sched videobuf2_v4l2 videobuf2_common rfkill snd_soc_core snd_compress videodev snd_bcm2835 snd_pcm_dmaengine drm snd_pcm mc vc_sm_cma raspberrypi_hwmon snd_timer drm_panel_orientation_quirks snd syscopyarea sysfillrect sysimgblt fb_sys_fops rpivid_mem uio_pdrv_genirq uio squashfs cuse fuse i2c_dev ip_tables x_tables ipv6 nf_defrag_ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 997120 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 video=HDMI-A-1:1920x1080M@60 smsc95xx.macaddr=DC:A6:32:30:27:92 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=97709164-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) -- [ 6.556288] mc: Linux media interface: v0.10 [ 6.575644] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 6.606166] bcm2835_audio bcm2835_audio: card created with 4 channels -- [ 6.941883] [drm] Initialized vc4 0.0.0 20140616 for gpu on minor 1 [ 6.943697] vc4-drm gpu: HDMI-A-1: EDID is invalid: [ 6.943717] [00] ZERO 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -- [ 7.363544] bcm2835-v4l2: Broadcom 2835 MMAL video capture ver 0.0.2 loaded. [ 7.369226] usbcore: registered new interface driver snd-usb-audio [ 9.240732] PPP generic driver version 2.4.2