!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Jul 19 14:38:53 UTC 2022 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.118-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.118-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones !!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 snd_bcm2835: enable_headphones=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jul 19 17:29 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Jul 19 17:29 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Jul 19 17:29 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 19 17:29 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jul 19 17:29 . drwxr-xr-x 3 root root 140 Jul 19 17:29 .. lrwxrwxrwx 1 root root 12 Jul 19 17:29 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type asym playback.pcm { type plug slave.pcm "output" } capture.pcm { type plug slave.pcm "input" } } pcm.output { type hw card 1 } ctl.!default { type hw card 1 } !!System wide config file (/etc/asound.conf) # Set default mixer controls #ctl.!default { # type hw # card 0 #} defaults.bluealsa.service "org.bluealsa" defaults.bluealsa.device "54:B7:E5:64:48:C3" defaults.bluealsa.profile "a2dp" pcm.!default plug:jack # Set default PCM device pcm.!default { type plug slave { pcm "hw:0,0" # format S32_LE } } # Bluetooth speakers pcm.!btdevice { type plug slave { pcm { type bluealsa service org.bluealsa device "54:B7:E5:64:48:C3" profile "a2dp" } } # hint { # show on # description "Bluetooth device" # } } #ctl.btdevice { # type bluetooth #} !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 7/8 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 [Headphones] Card hw:0 '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 400 [100%] [4.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'Headphone 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 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module evdev uinput rfcomm cmac bnep hci_uart btbcm serdev bluetooth ecdh_generic 8021q garp stp llc brcmfmac brcmutil cfg80211 rfkill snd_soc_bcm2835_i2s bcm2835_codec snd_soc_core bcm2835_v4l2 raspberrypi_hwmon v4l2_mem2mem hwmon snd_bcm2835 snd_compress bcm2835_mmal_vchiq snd_pcm_dmaengine snd_pcm v4l2_common videobuf2_dma_contig videobuf2_vmalloc videobuf2_memops snd_timer videobuf2_v4l2 snd videobuf2_common videodev media vc_sm_cma uio_pdrv_genirq uio fixed i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 240555 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=720 bcm2708_fb.fbheight=480 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=tty1 root=PARTUUID=fcbda3b6-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) -- [ 5.754456] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. [ 5.779855] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.792172] bcm2835_audio soc:audio: card created with 8 channels