!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sun Mar 13 19:04:05 UTC 2022 !!Linux Distribution !!------------------ Debian GNU/Linux 10 \n \l PRETTY_NAME="Debian GNU/Linux 10 (buster)" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.10.63-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.10.63-v8 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!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 : N force_bulk : N !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Mar 13 14:59 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Mar 13 14:59 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Mar 13 14:59 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 13 14:59 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 13 14:59 . drwxr-xr-x 3 root root 140 Mar 13 14:59 .. lrwxrwxrwx 1 root root 12 Mar 13 14:59 platform-bcm2835_audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type hw card 1 device 0 } ctl.!default { type hw card 1 } # these above settings over ride any raspi-config audio # #card number can be determined with 'sudo aplay -l' #usually card1 is 3.5 mm or headphones - on a pi400 card1 will be usb audio # #card 0 is hdmi audio # # if you have usb or bluetooth audio you need to run aplay -l first and get its card number # add that to above card number and save this file and reboot !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 8/8 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 Subdevice #7: subdevice #7 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [b1] Card hw: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 400 [100%] [4.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.b1 { control.1 { iface MIXER name 'HDMI Playback Volume' value 400 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 400 } } control.2 { iface MIXER name 'HDMI Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module bnep hci_uart btbcm bluetooth ecdh_generic ecc 8021q garp stp llc spidev brcmfmac brcmutil vc4 cec cfg80211 v3d rfkill drm_kms_helper gpu_sched bcm2835_v4l2 bcm2835_isp bcm2835_codec raspberrypi_hwmon bcm2835_mmal_vchiq v4l2_mem2mem drm videobuf2_dma_contig videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common spi_bcm2835 drm_panel_orientation_quirks i2c_bcm2835 snd_bcm2835 videodev snd_soc_core mc snd_compress vc_sm_cma snd_pcm_dmaengine snd_pcm snd_timer snd syscopyarea rpivid_mem sysfillrect sysimgblt fb_sys_fops backlight uio_pdrv_genirq uio nvmem_rmem i2c_dev aes_neon_bs sha256_generic aes_neon_blk crypto_simd cryptd ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 996912 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:1920x1080M@60 smsc95xx.macaddr=E4:5F:01:3E:0B:30 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=827f7eb6-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait loglevel=3 consoleblank=0 plymouth.enable=0 [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 4.221437] [vc_sm_connected_init]: installed successfully [ 4.260076] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.281550] bcm2835_audio bcm2835_audio: there is not valid maps for state default