!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Sun Jan 5 01:17:54 UTC 2025 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1529 Tue Mar 8 12:19:18 GMT 2022 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k5.10.103 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) snd_bcm2835 (card 1) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [Headphones ]: bcm2835_headpho - 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: !!Card: /sys/class/sound/card1 Driver: /sys/bus/platform/drivers/bcm2835_audio Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jan 2 14:24 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jan 2 14:24 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jan 2 14:24 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Jan 2 14:24 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jan 2 14:24 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 2 14:24 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jan 2 14:24 . drwxr-xr-x 3 root root 180 Jan 2 14:24 .. lrwxrwxrwx 1 root root 12 Jan 2 14:24 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 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 0 [96%] [0.00dB] [on] !!-------Mixer controls for card Headphones Card hw: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 0 [96%] [0.00dB] [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 0 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 0 } } control.2 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q async_memcpy async_pq async_raid6_recov async_tx async_xor bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 cfg80211 dm_mod fixed garp ip6_tables ip6t_REJECT ip6t_rt ip6table_filter ip6table_mangle ip6table_nat ip6table_raw ip6table_security ip_tables iptable_filter iptable_mangle iptable_nat iptable_raw ipv6 joydev libsha256 linear llc mc md_mod nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_reject_ipv6 raid0 raid1 raid10 raid456 raid6_pq raspberrypi_hwmon rfkill sg sha256_generic snd snd_bcm2835 snd_pcm snd_timer stp tun uas uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xor xt_conntrack xt_hl xt_state !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 113680 [ 0.000000] Kernel command line: coherent_pool=1M snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=512 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 console=ttyAMA0,115200 console=tty1 root=UUID=37a6f350-bf3a-45ee-b06c-d2d62e946584 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 41.352174] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 41.412364] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 41.434513] bcm2835-codec bcm2835-codec: Device registered as /dev/video10 -- [ 41.453281] bcm2835-codec bcm2835-codec: Loaded V4L2 encode [ 41.468010] bcm2835_audio bcm2835_audio: card created with 4 channels [ 41.469982] bcm2835-codec bcm2835-codec: Device registered as /dev/video12 -- [ 41.507709] bcm2835-codec bcm2835-codec: Loaded V4L2 image_fx [ 41.537893] bcm2835_audio bcm2835_audio: card created with 4 channels [ 44.615532] sd 0:0:0:0: Attached scsi generic sg0 type 0 !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 rpt1 armhf Utilities for configuring and using ALSA