!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Tue Mar 1 05:12:14 UTC 2022 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.4.83-Re4son-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.83-Re4son-v8 Library version: 1.2.6.1 Utilities version: 1.2.6 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) snd_bcm2835 (card 1) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones !!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 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!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 |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- subsystem -> ../../../../../../../class/sound `-- uevent !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/bcm2835_audio Tree: /sys/class/sound/card1 |-- controlC1 | |-- dev | |-- device -> ../../card1 | |-- power | |-- subsystem -> ../../../../../../../../class/sound | `-- uevent |-- device -> ../../../bcm2835_audio |-- id |-- number |-- pcmC1D0p | |-- dev | |-- device -> ../../card1 | |-- 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, 0 Jan 26 18:35 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jan 26 18:35 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jan 26 18:35 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Jan 26 18:35 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Feb 28 23:02 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 26 18:35 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jan 26 18:35 . drwxr-xr-x 3 root root 180 Jan 26 18:35 .. lrwxrwxrwx 1 root root 12 Jan 26 18:35 platform-bcm2835_audio -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 1: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card b1 Card sysdefault:0 'b1'/'bcm2835 HDMI 1' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'HDMI',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 0 [96%] [0.00dB] [on] !!-------Mixer controls for card Headphones Card sysdefault:1 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'Headphone',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.b1 { control.1 { iface MIXER name 'HDMI 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 'HDMI Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Headphones { control.1 { iface MIXER name 'Headphone 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 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth brcmfmac brcmutil cfg80211 drm drm_panel_orientation_quirks ecc ecdh_generic fuse ip_tables ipv6 mc rfcomm rfkill sdhci_iproc snd snd_bcm2835 snd_hrtimer snd_pcm snd_seq snd_seq_device snd_seq_dummy snd_timer uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma vchiq 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: 238896 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=1824 bcm2708_fb.fbheight=984 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.fiq_fix_enable=2 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 console=tty1 root=PARTUUID=ec374746-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait net.ifnames=0 [ 0.000000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) -- [ 10.380536] videodev: Linux video capture interface: v2.00 [ 10.418785] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 10.444406] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 10.444979] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 10.452432] bcm2835_audio bcm2835_audio: card created with 4 channels [ 10.494069] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned. -- [ 10.560524] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp [ 10.561574] bcm2835_audio bcm2835_audio: card created with 4 channels [ 10.566596] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/1 wl0: Aug 7 2017 00:46:29 version 7.45.41.46 (r666254 CY) FWID 01-f8a78378 !!Packages installed !!-------------------- ii alsa-tools 1.2.5-2 arm64 Console based ALSA utilities for specific hardware ii alsa-tools-gui 1.2.5-2 arm64 GUI based ALSA utilities for specific hardware ii alsa-topology-conf 1.2.5.1-2 all ALSA topology configuration files ii alsa-ucm-conf 1.2.6.3-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.6-1 arm64 Utilities for configuring and using ALSA