!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Mon Mar 11 08:15:34 UTC 2024 !!Linux Distribution !!------------------ ID_LIKE="fedora" Red Hat Enterprise Linux release 9.3 (Plow) !!DMI Information !!--------------- Manufacturer: Unknown Product Name: Unknown Product Product Version: Firmware Version: 2023.07.02 System SKU: Board Vendor: Unknown Board Name: Unknown Product !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #2 SMP Thu Feb 8 17:19:19 PST 2024 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.0-203.146.5.1.el9uek.aarch64.debug Library version: 1.2.9 Utilities version: 1.2.9 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!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 num_channels : 8 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/bcm2835_audio Tree: /sys/class/sound/card0 |-- controlC0 | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../../../class/sound | `-- uevent |-- device -> ../../../bcm2835_audio |-- id |-- number |-- pcmC0D0p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../../class/sound | `-- uevent |-- pcmC0D1p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../../class/sound | `-- uevent |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- subsystem -> ../../../../../../../class/sound `-- uevent !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 4 Sep 7 2023 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Sep 7 2023 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Sep 7 2023 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 1 Sep 7 2023 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Sep 7 2023 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Sep 7 2023 . drwxr-xr-x 3 root root 160 Sep 7 2023 .. lrwxrwxrwx 1 root root 12 Sep 7 2023 platform-bcm2835_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: 6/7 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 ALSA Card sysdefault: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 -2000 [77%] [-20.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM 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 '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 - 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 !!------------------ aes_arm64 aes_neon_blk aes_neon_bs ah4 ah6 authenc bcm2711_thermal bcm2835_mmal_vchiq bcm2835_v4l2 bcm_phy_lib blake2b_generic bluetooth bnep brcmfmac brcmutil broadcom btrfs btsdio camellia_generic ccm cfg80211 chacha20poly1305 cmac cpufreq_dt crct10dif_ce cryptd crypto_simd cuse des_generic drm ecdh_generic esp4 esp6 fat fuse genet gpio_regulator ip_tables ip_vti ipcomp ipcomp6 ipt_REJECT iptable_filter l2tp_core l2tp_netlink l2tp_ppp leds_gpio libdes mc mdio_bcm_unimac mmc_block nf_reject_ipv4 pcie_brcmstb phy_generic ppp_async ppp_generic pppox qrtr raid6_pq rfkill sch_fq scsi_transport_iscsi sdhci sdhci_iproc sdhci_pltfm sha256_arm64 sha512_arm64 slhc snd snd_bcm2835 snd_hrtimer snd_pcm snd_seq snd_seq_device snd_seq_dummy snd_timer soundcore tls tunnel4 tunnel6 uas usb_storage vchiq vfat videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev xcbc xfrm4_tunnel xfrm6_tunnel xfrm_interface xfrm_ipcomp xor xor_neon zstd_compress !!ALSA/HDA dmesg !!-------------- [ 26.370301] videodev: Linux video capture interface: v2.00 [ 26.464726] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 26.472098] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 26.490781] bcm2835_audio bcm2835_audio: card created with 8 channels [ 26.501688] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. !!Packages installed !!-------------------- alsa-lib-1.2.9-1.el9.aarch64 alsa-utils-1.2.9-1.el9.aarch64 alsa-lib-devel-1.2.9-1.el9.aarch64 alsa-plugins-pulseaudio-1.2.7.1-1.el9.aarch64