!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Thu Jun 11 14:55:22 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-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.118-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_soc_simple_card !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [SuperAudioBoard]: SuperAudioBoard - SuperAudioBoard SuperAudioBoard !!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_soc_simple_card * : !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jun 11 15:40 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 24 Jun 11 15:40 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 Jun 11 15:40 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Jun 11 15:40 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jun 11 15:40 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jun 11 15:40 . drwxr-xr-x 3 root root 160 Jun 11 15:40 .. lrwxrwxrwx 1 root root 12 Jun 11 15:40 platform-soc:sound -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: SuperAudioBoard [SuperAudioBoard], device 0: bcm2835-i2s-cs4271-hifi cs4271-hifi-0 [bcm2835-i2s-cs4271-hifi cs4271-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: SuperAudioBoard [SuperAudioBoard], device 0: bcm2835-i2s-cs4271-hifi cs4271-hifi-0 [bcm2835-i2s-cs4271-hifi cs4271-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card SuperAudioBoard Card hw:0 'SuperAudioBoard'/'SuperAudioBoard' Mixer name : '' Components : '' Controls : 15 Simple ctrls : 12 Simple mixer control 'Master',0 Capabilities: pvolume pswitch cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 127 Front Left: Playback 107 [84%] [-20.00dB] [on] Capture [on] Front Right: Playback 107 [84%] [-20.00dB] [on] Capture [on] Simple mixer control 'Auto-Mute',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'De-emphasis',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Digital Loopback',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Dither 16-Bit Data',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'High Pass Filter',0 Capabilities: pswitch Playback channels: Front Left - Front Right Mono: Front Left: Playback [on] Front Right: Playback [on] Simple mixer control 'Left Channel Inversion',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Right Channel Inversion',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Slow Roll Off Filter',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Soft Ramp',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Soft Ramp-Down',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Zero Cross',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!Alsactl output !!-------------- --startcollapse-- state.SuperAudioBoard { control.1 { iface MIXER name 'Master Playback Volume' value.0 107 value.1 107 comment { access 'read write' type INTEGER count 2 range '0 - 127' dbmin -12700 dbmax 0 dbvalue.0 -2000 dbvalue.1 -2000 } } control.2 { iface MIXER name 'Digital Loopback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Soft Ramp Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Zero Cross Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'De-emphasis Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Auto-Mute Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Slow Roll Off Filter Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Soft Volume Ramp-Up Switch' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 1' } } control.9 { iface MIXER name 'Soft Ramp-Down Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface MIXER name 'Left Channel Inversion Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.11 { iface MIXER name 'Right Channel Inversion Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'Master Capture Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.13 { iface MIXER name 'Dither 16-Bit Data Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.14 { iface MIXER name 'High Pass Filter Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.15 { iface MIXER name 'Master Playback Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2835_codec bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cfg80211 cmac drm drm_kms_helper drm_panel_orientation_quirks ecdh_generic fb_sys_fops garp gpu_sched hci_uart hwmon i2c_bcm2835 i2c_dev ip_tables ipv6 llc media raspberrypi_hwmon rfkill rpivid_mem serdev snd snd_compress snd_pcm snd_pcm_dmaengine snd_soc_bcm2835_i2s snd_soc_core snd_soc_cs4271 snd_soc_cs4271_i2c snd_soc_simple_card snd_soc_simple_card_utils snd_timer spi_bcm2835 spidev stp syscopyarea sysfillrect sysimgblt uio uio_pdrv_genirq v3d v4l2_common 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: 503104 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 cma=64M snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 cma=256M video=HDMI-A-1:640x480M@59 smsc95xx.macaddr=DC:A6:32:5E:20:66 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=fe568bd3-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) -- [ 4.537590] cs4271 1-0010: 1-0010 supply va not found, using dummy regulator [ 4.551565] asoc-simple-card soc:sound: cs4271-hifi <-> fe203000.i2s mapping ok [ 6.140930] random: crng init done !!Packages installed !!-------------------- ii alsa-tools 1.1.7-1 armhf Console based ALSA utilities for specific hardware ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA