!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Mon Nov 28 16:42:23 UTC 2022 !!Linux Distribution !!------------------ ID_LIKE="fedora" Red Hat Enterprise Linux release 9.1 (Plow) !!DMI Information !!--------------- Manufacturer: Unknown Product Name: Unknown Product Product Version: Firmware Version: 2022.10 System SKU: Board Vendor: Unknown Board Name: Unknown Product !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.15.0-3.60.5.1.el9uek.aarch64 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.0-3.60.5.1.el9uek.aarch64 Library version: Utilities version: 1.2.7 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes No sound servers found. !!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 Nov 15 01:00 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Nov 15 01:00 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Nov 15 01:00 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 1 Nov 15 01:00 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Nov 15 01:00 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Nov 15 01:00 . drwxr-xr-x 3 root root 160 Nov 15 01:00 .. lrwxrwxrwx 1 root root 12 Nov 15 01:00 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: 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 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 -396 [93%] [-3.96dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -396 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -396 } } 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 !!------------------ ac97_bus aes_neon_blk aes_neon_bs bcm2711_thermal bcm2835_mmal_vchiq bcm2835_v4l2 bcm_phy_lib blake2b_generic bluetooth brcmfmac brcmutil broadcom btrfs btsdio cec cfg80211 crct10dif_ce cryptd crypto_simd drm drm_kms_helper ecc ecdh_generic fat fb_sys_fops fuse genet gpio_regulator ip_set leds_gpio mc mdio_bcm_unimac mmc_block nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_reject_ipv4 nf_reject_ipv6 nft_chain_nat nft_ct nft_fib nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_reject nft_reject_inet ns pcie_brcmstb phy_generic qrtr raid6_pq rfkill sch_fq_codel scsi_transport_iscsi sdhci sdhci_iproc sdhci_pltfm snd snd_bcm2835 snd_hrtimer snd_pcm snd_pcm_dmaengine snd_seq snd_seq_device snd_seq_dummy snd_soc_core snd_timer soundcore syscopyarea sysfillrect sysimgblt uas usb_storage vc4 vchiq vfat videobuf2_common videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev xor xor_neon zstd_compress !!ALSA/HDA dmesg !!-------------- [ 19.323781] videodev: Linux video capture interface: v2.00 [ 19.453647] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 19.481719] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 19.485295] bcm2835_audio bcm2835_audio: card created with 8 channels [ 19.543836] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. !!Packages installed !!-------------------- alsa-lib-1.2.7.2-1.el9.aarch64 alsa-utils-1.2.7-1.el9.aarch64