!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sun Jan 3 08:38:02 UTC 2021 !!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: 5.4.79-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.79-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_bcm2835 snd_dummy matrixio_codec !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones 2 [Dummy ]: Dummy - Dummy Dummy 1 3 [MATRIXIOSOUND ]: MATRIXIO-SOUND - MATRIXIO-SOUND MATRIXIO-SOUND !!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 !!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_dummy enable : Y,N,N,N,N,N,N,N fake_buffer : Y hrtimer : Y id : (null),(null),(null),(null),(null),(null),(null),(null) index : -1,-1,-1,-1,-1,-1,-1,-1 model : (null),(null),(null),(null),(null),(null),(null),(null) pcm_devs : 1,1,1,1,1,1,1,1 pcm_substreams : 8,8,8,8,8,8,8,8 !!Module: matrixio_codec * : !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jan 3 07:36 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jan 3 07:36 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 64 Jan 3 07:36 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 96 Jan 3 07:36 /dev/snd/controlC3 crw-rw---- 1 root audio 116, 16 Jan 3 07:36 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Jan 3 07:36 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 88 Jan 3 07:36 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 80 Jan 3 07:37 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 120 Jan 3 07:36 /dev/snd/pcmC3D0c crw-rw---- 1 root audio 116, 113 Jan 3 07:36 /dev/snd/pcmC3D1p crw-rw---- 1 root audio 116, 1 Jan 3 07:36 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 3 07:36 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 100 Jan 3 07:36 . drwxr-xr-x 3 root root 300 Jan 3 07:36 .. lrwxrwxrwx 1 root root 12 Jan 3 07:36 platform-bcm2835_audio -> ../controlC1 lrwxrwxrwx 1 root root 12 Jan 3 07:36 platform-fe204000.spi-platform-matrixio-codec -> ../controlC3 lrwxrwxrwx 1 root root 12 Jan 3 07:36 platform-snd_dummy.0 -> ../controlC2 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type asym capture.pcm "mic" playback.pcm "speaker" } pcm.mic { type softvol slave { pcm "array" } control { name "MicArray Master" card "MATRIXIOSOUND" } } pcm.speaker { type plug slave { pcm "hw:0,0" } } pcm.array { type plug slave { pcm "hw:MATRIXIOSOUND" } } pcm.channel_1 { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings.0 0 } pcm.channel_2 { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings.0 1 } pcm.channel_3 { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings.0 2 } pcm.channel_4 { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings.0 3 } pcm.channel_5 { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings.0 4 } pcm.channel_6 { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings.0 5 } pcm.channel_7 { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings.0 6 } pcm.channel_8 { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings.0 7 } pcm.all_channels { type dsnoop ipc_key 234884 slave { pcm "hw:2,0" channels 8 } bindings { 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 } } !!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: Dummy [Dummy], device 0: Dummy PCM [Dummy PCM] 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 3: MATRIXIOSOUND [MATRIXIO-SOUND], device 1: matrixio.pcm-out.0 snd-soc-dummy-dai-1 [] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: Dummy [Dummy], device 0: Dummy PCM [Dummy PCM] 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 3: MATRIXIOSOUND [MATRIXIO-SOUND], device 0: matrixio.mic.0 snd-soc-dummy-dai-0 [] 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 Dummy Card hw:2 'Dummy'/'Dummy 1' Mixer name : 'Dummy Mixer' Components : '' Controls : 11 Simple ctrls : 6 Simple mixer control 'Master',0 Capabilities: volume cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: -50 - 100 Front Left: 90 [93%] [-3.00dB] Capture [off] Front Right: 56 [71%] [-13.20dB] Capture [off] Simple mixer control 'Synth',0 Capabilities: volume cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: -50 - 100 Front Left: 0 [33%] [-30.00dB] Capture [off] Front Right: 0 [33%] [-30.00dB] Capture [off] Simple mixer control 'Line',0 Capabilities: volume cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: -50 - 100 Front Left: 0 [33%] [-30.00dB] Capture [off] Front Right: 0 [33%] [-30.00dB] Capture [off] Simple mixer control 'CD',0 Capabilities: volume cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: -50 - 100 Front Left: 0 [33%] [-30.00dB] Capture [off] Front Right: 0 [33%] [-30.00dB] Capture [off] Simple mixer control 'Mic',0 Capabilities: volume cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: -50 - 100 Front Left: 0 [33%] [-30.00dB] Capture [off] Front Right: 0 [33%] [-30.00dB] Capture [off] Simple mixer control 'External I/O Box',0 Capabilities: enum Items: 'None' 'CD Player' Item0: 'CD Player' !!-------Mixer controls for card MATRIXIOSOUND Card hw:3 'MATRIXIOSOUND'/'MATRIXIO-SOUND' Mixer name : '' Components : '' Controls : 3 Simple ctrls : 3 Simple mixer control 'Master_Playback_Switch',0 Capabilities: enum Items: 'Speaker' 'Headphone' Item0: 'Headphone' Simple mixer control 'MicArray Master',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 255 Front Left: 255 [100%] Front Right: 255 [100%] Simple mixer control 'Playback_Volume',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 32 Mono: 17 [53%] !!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.Dummy { control.1 { iface MIXER name 'Master Volume' value.0 90 value.1 56 comment { access 'read write' type INTEGER count 2 range '-50 - 100' dbmin -4500 dbmax 0 dbvalue.0 -300 dbvalue.1 -1320 } } control.2 { iface MIXER name 'Master Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.3 { iface MIXER name 'Synth Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '-50 - 100' dbmin -4500 dbmax 0 dbvalue.0 -3000 dbvalue.1 -3000 } } control.4 { iface MIXER name 'Synth Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.5 { iface MIXER name 'Line Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '-50 - 100' dbmin -4500 dbmax 0 dbvalue.0 -3000 dbvalue.1 -3000 } } control.6 { iface MIXER name 'Line Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.7 { iface MIXER name 'Mic Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '-50 - 100' dbmin -4500 dbmax 0 dbvalue.0 -3000 dbvalue.1 -3000 } } control.8 { iface MIXER name 'Mic Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.9 { iface MIXER name 'CD Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '-50 - 100' dbmin -4500 dbmax 0 dbvalue.0 -3000 dbvalue.1 -3000 } } control.10 { iface MIXER name 'CD Capture Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.11 { iface MIXER name 'External I/O Box' value 'CD Player' comment { access 'read write' type ENUMERATED count 1 item.0 None item.1 'CD Player' } } } state.MATRIXIOSOUND { control.1 { iface MIXER name Master_Playback_Switch value Headphone comment { access 'read write' type ENUMERATED count 1 item.0 Speaker item.1 Headphone } } control.2 { iface MIXER name Playback_Volume value 17 comment { access 'read write' type INTEGER count 1 range '0 - 32 (step 1)' } } control.3 { iface MIXER name 'MicArray Master' value.0 255 value.1 255 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '0000000100000008ffffec1400000014' dbmin -5100 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cec cfg80211 cmac drm drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fb_sys_fops garp gpu_sched hci_uart industrialio ip_tables ipv6 joydev libsha256 llc matrixio_codec matrixio_core matrixio_env matrixio_everloop matrixio_gpio matrixio_imu matrixio_mic matrixio_playback matrixio_regmap matrixio_uart mc raspberrypi_hwmon rfkill rpivid_mem sha256_generic snd snd_bcm2835 snd_compress snd_dummy snd_pcm snd_pcm_dmaengine snd_soc_core snd_timer spi_bcm2835 spidev stp syscopyarea sysfillrect sysimgblt uio uio_pdrv_genirq v3d v4l2_mem2mem vc4 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: 502528 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:1920x1080M@60,margin_left=48,margin_right=48,margin_top=48,margin_bottom=48 smsc95xx.macaddr=DC:A6:32:02:A3:75 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 root=PARTUUID=6c586e13-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) -- [ 3.191004] systemd[1]: Created slice system-getty.slice. [ 3.541166] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.557718] bcm2835_audio bcm2835_audio: card created with 4 channels -- [ 5.911384] matrixio-codec matrixio-codec: DMA mask not set [ 5.911807] matrixio-codec matrixio-codec: snd-soc-dummy-dai <-> matrixio-mic.0 mapping ok [ 5.911907] matrixio-codec matrixio-codec: snd-soc-dummy-dai <-> matrixio-pcm-out.0 mapping ok [ 5.913381] bcm2835-codec bcm2835-codec: Device registered as /dev/video11 !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA