!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sat Dec 19 16:57:24 UTC 2020 !!Linux Distribution !!------------------ CentOS Linux release 7.9.2009 (AltArch) NAME="CentOS Linux" VERSION="7 (AltArch)" ID="centos" ID_LIKE="rhel fedora" PRETTY_NAME="CentOS Linux 7 (AltArch)" CPE_NAME="cpe:/o:centos:centos:7:server" HOME_URL="https://www.centos.org/" BUG_REPORT_URL="https://bugs.centos.org/" CENTOS_MANTISBT_PROJECT="CentOS-7" CENTOS_MANTISBT_PROJECT_VERSION="7" REDHAT_SUPPORT_PRODUCT="centos" REDHAT_SUPPORT_PRODUCT_VERSION="7" CentOS Linux release 7.9.2009 (AltArch) CentOS Linux release 7.9.2009 (AltArch) !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.84-v8.1.el7 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.84-v8.1.el7 Library version: Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/bin/pulseaudio) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA !!PCI Soundcards installed in the system !!-------------------------------------- !!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 Jan 1 1970 /dev/snd/controlC0 crw-rw----. 1 root audio 116, 16 Jan 1 1970 /dev/snd/pcmC0D0p crw-rw----. 1 root audio 116, 17 Jan 1 1970 /dev/snd/pcmC0D1p crw-rw----. 1 root audio 116, 18 Jan 1 1970 /dev/snd/pcmC0D2p crw-rw----. 1 root audio 116, 1 Nov 14 20:50 /dev/snd/seq crw-rw----. 1 root audio 116, 33 Nov 14 20:50 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x. 2 root root 60 Jan 1 1970 . drwxr-xr-x. 3 root root 180 Jan 1 1970 .. lrwxrwxrwx. 1 root root 12 Jan 1 1970 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) # # Place your global alsa-lib configuration here... # !!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 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 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 0 [96%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM 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 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 3' } } 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 !!------------------ bcm2835_codec bcm2835_mmal_vchiq bcm2835_v4l2 brcmfmac brcmutil bridge cfg80211 crc_ccitt ebtable_broute ebtable_filter ebtable_nat ebtables fixed hwmon i2c_bcm2835 i2c_dev ip6_tables ip6t_REJECT ip6t_rpfilter ip6table_filter ip6table_mangle ip6table_nat ip6table_raw ip6table_security ip_set ip_tables ipt_REJECT iptable_filter iptable_mangle iptable_nat iptable_raw iptable_security ipv6 llc media nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_nat_ipv4 nf_nat_ipv6 nf_reject_ipv4 nf_reject_ipv6 nfnetlink raspberrypi_hwmon regmap_mmio rfkill rpivid_mem sha256_generic snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_seq snd_seq_device snd_soc_bcm2835_i2s snd_soc_core snd_timer spi_bcm2835 spidev stp uio uio_pdrv_genirq v4l2_common v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xt_conntrack xt_tcpudp !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- alsa-lib-1.1.8-1.el7.aarch64 alsa-utils-1.1.8-2.el7.aarch64 alsa-plugins-samplerate-1.1.6-1.el7.aarch64 alsa-tools-firmware-1.1.0-1.el7.aarch64 alsa-plugins-pulseaudio-1.1.6-1.el7.aarch64