!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Jul 18 08:40:09 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.57-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.57-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA !!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 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jul 18 09:36 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Jul 18 09:36 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jul 18 09:36 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 1 Jul 18 09:36 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 18 09:36 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jul 18 09:36 . drwxr-xr-x 3 root root 160 Jul 18 09:36 .. lrwxrwxrwx 1 root root 12 Jul 18 09:36 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) # The IPC key of dmix or dsnoop plugin must be unique # If 555555 or 666666 is used by other processes, use another one # use samplerate to resample as speexdsp resample is bad defaults.pcm.rate_converter "samplerate" pcm.!default { type asym playback.pcm "playback" capture.pcm "capture" } pcm.playback { type plug slave.pcm "dmixed" } pcm.capture { type plug slave.pcm "array" } pcm.dmixed { type dmix slave.pcm "hw:seeed2micvoicec" ipc_key 555555 } pcm.array { type dsnoop slave { pcm "hw:seeed2micvoicec" channels 2 } ipc_key 666666 } !!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 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [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 -1994 [77%] [-19.94dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -1994 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -1994 } } 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 1 comment { access 'read write' type INTEGER count 1 range '0 - 2' } } 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 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module spidev spi_bcm2835 i2c_dev sha256_generic cfg80211 rfkill bcm2835_codec bcm2835_v4l2 v4l2_mem2mem bcm2835_mmal_vchiq v4l2_common videobuf2_vmalloc videobuf2_dma_contig raspberrypi_hwmon videobuf2_memops hwmon videobuf2_v4l2 snd_bcm2835 videobuf2_common videodev i2c_bcm2835 snd_soc_bcm2835_i2s media vc_sm_cma uio_pdrv_genirq fixed uio snd_soc_wm8960 snd_soc_ac108 snd_soc_seeed_voicecard snd_soc_simple_card_utils snd_soc_core snd_compress snd_pcm_dmaengine snd_pcm snd_timer snd ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.934447] systemd[1]: Created slice System Slice. [ 4.197548] snd_soc_seeed_voicecard: loading out-of-tree module taints kernel. [ 4.726504] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null) -- [ 5.455569] videodev: Linux video capture interface: v2.00 [ 5.473107] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.509551] bcm2835_audio soc:audio: card created with 8 channels