!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Wed Feb 27 10:34:21 UTC 2019 !!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: 4.4.50-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.4.50-v7 Library version: 1.0.28 Utilities version: 1.0.28 !!Loaded ALSA modules !!------------------- snd_soc_simple_card !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [sndrpisimplecar]: snd_rpi_simple_ - snd_rpi_simple_card snd_rpi_simple_card !!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_soc_simple_card * : !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Feb 27 10:12 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 24 Feb 27 10:12 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 Feb 27 10:12 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Jan 1 1970 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 1 1970 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Feb 27 10:12 . drwxr-xr-x 3 root root 160 Feb 27 10:12 .. lrwxrwxrwx 1 root root 12 Feb 27 10:12 platform-asoc-simple-card.0 -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) # Reusing "plug", "dmix" and "dsnoop" pcms defined in # /usr/share/alsa/alsa.conf # /usr/share/alsa/pcm/dmix.conf # /usr/share/alsa/pcm/dsnoop.conf # what card to use by "dmix" and "dsnoop" by default # (unless ALSA_CARD environment variable is set) defaults.pcm.!card "sndrpisimplecar" defaults.ctl.!card "sndrpisimplecar" defaults.pcm.dmix.rate 48000 defaults.pcm.dmix.channels 1 pcm.playvol { type softvol slave.pcm "dmix:sndrpisimplecar,0" control.name "Master Playback Volume" control.card { @func refer name defaults.pcm.card } } pcm.duplicate { type route slave { pcm "dsnoop:sndrpisimplecar,0" channels 2 } ttable.0.0 1.0 ttable.1.1 1.0 } pcm.capvol { type softvol slave.pcm "duplicate" control.name "Boost Capture Volume" control.card { @func refer name defaults.pcm.card } min_dB -5.0 max_dB 50.0 resolution 10 } pcm.!default { type asym playback.pcm "plug:playvol" capture.pcm "plug:capvol" } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: sndrpisimplecar [snd_rpi_simple_card], device 0: simple-card_codec_link snd-soc-dummy-dai-0 [] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: sndrpisimplecar [snd_rpi_simple_card], device 0: simple-card_codec_link snd-soc-dummy-dai-0 [] Subdevices: 0/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [sndrpisimplecar]:] Card hw:0 'sndrpisimplecar'/'snd_rpi_simple_card' Mixer name : '' Components : '' Controls : 2 Simple ctrls : 2 Simple mixer control 'Master',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 31 [12%] [6.20dB] Front Right: Playback 31 [12%] [6.20dB] Simple mixer control 'Boost',0 Capabilities: cvolume Capture channels: Front Left - Front Right Limits: Capture 0 - 9 Front Left: Capture 3 [33%] [18.33dB] Front Right: Capture 3 [33%] [18.33dB] !!Alsactl output !!-------------- --startcollapse-- state.sndrpisimplecar { control.1 { iface MIXER name 'Master Playback Volume' value.0 31 value.1 31 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '00000001000000080000000000000014' dbmin 0 dbmax 5100 dbvalue.0 620 dbvalue.1 620 } } control.2 { iface MIXER name 'Boost Capture Volume' value.0 3 value.1 3 comment { access 'read write user' type INTEGER count 2 range '0 - 9' tlv '00000001000000080000000000000263' dbmin 0 dbmax 5499 dbvalue.0 1833 dbvalue.1 1833 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module bnep hci_uart btbcm bluetooth snd_soc_simple_card my_loader brcmfmac brcmutil cfg80211 rfkill snd_soc_bcm2835_i2s spi_bcm2835 bcm2835_wdt bcm2835_gpiomem snd_soc_core snd_pcm_dmaengine uio_pdrv_genirq uio rtc_ds1307 snd_bcm2835 snd_pcm snd_timer snd i2c_dev i2c_bcm2708 !!ALSA/HDA dmesg !!-------------- [ 6.301331] Hello World :) [ 6.368662] asoc-simple-card asoc-simple-card.0: snd-soc-dummy-dai <-> 3f203000.i2s mapping ok [ 6.460269] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup