!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Sun Feb 20 20:55:13 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: 5.10.63-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.10.63-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) snd_soc_rpi_simple_soundcard (card 1) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 1 [sndrpihifiberry]: RPi-simple - snd_rpi_hifiberry_amp snd_rpi_hifiberry_amp !!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_soc_rpi_simple_soundcard * : !!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/snd-rpi-simple Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Feb 20 21:47 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Feb 20 21:47 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Feb 20 21:47 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Feb 20 21:47 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Feb 20 21:47 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Feb 20 21:47 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Feb 20 21:47 . drwxr-xr-x 3 root root 180 Feb 20 21:47 .. lrwxrwxrwx 1 root root 12 Feb 20 21:47 platform-bcm2835_audio -> ../controlC0 lrwxrwxrwx 1 root root 12 Feb 20 21:47 platform-soc:sound -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] 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 card 1: sndrpihifiberry [snd_rpi_hifiberry_amp], device 0: HifiBerry AMP HiFi tas5713.1-001b-0 [HifiBerry AMP HiFi tas5713.1-001b-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 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 0 [96%] [0.00dB] [on] !!-------Mixer controls for card sndrpihifiberry Card hw:1 'sndrpihifiberry'/'snd_rpi_hifiberry_amp' Mixer name : '' Components : '' Controls : 2 Simple ctrls : 2 Simple mixer control 'Master',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 248 Mono: 215 [87%] Simple mixer control 'Channels',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 248 Front Left: 215 [87%] Front Right: 215 [87%] !!Alsactl output !!-------------- --startcollapse-- 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 } } } state.sndrpihifiberry { control.1 { iface MIXER name Master value 215 comment { access 'read write' type INTEGER count 1 range '0 - 248' dbmin -9999999 dbmax 2400 dbvalue.0 750 } } control.2 { iface MIXER name Channels value.0 215 value.1 215 comment { access 'read write' type INTEGER count 2 range '0 - 248' dbmin -9999999 dbmax 2400 dbvalue.0 750 dbvalue.1 750 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 brcmfmac brcmutil cfg80211 garp i2c_bcm2835 i2c_dev ip_tables ipv6 llc mc nvmem_rmem raspberrypi_hwmon regmap_i2c rfkill rpivid_mem sha256_generic snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_soc_bcm2835_i2s snd_soc_core snd_soc_rpi_simple_soundcard snd_soc_tas5713 snd_timer spi_bcm2835 spidev stp uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma 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: 503104 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=0 bcm2708_fb.fbheight=0 bcm2708_fb.fbswap=1 smsc95xx.macaddr=DC:A6:32:49:E5:A2 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyAMA0,115200 console=tty1 root=PARTUUID=3861b797-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 2.549094] videodev: Linux video capture interface: v2.00 [ 2.602647] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 2.609081] bcm2835_audio bcm2835_audio: card created with 8 channels [ 2.609890] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 rpt1 armhf Utilities for configuring and using ALSA