!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Thu Nov 3 17:26:04 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: 5.10.11-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.10.11-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [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 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/bcm2835_audio Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Nov 3 14:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Nov 3 14:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Nov 3 14:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Nov 3 14:17 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Nov 3 14:17 . drwxr-xr-x 3 root root 140 Nov 3 14:17 .. lrwxrwxrwx 1 root root 12 Nov 3 14:17 platform-bcm2835_audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.preampcap { @args [ CARD DEV SUBDEV ] @args.CARD { type string } @args.DEV { type integer } @args.SUBDEV { type integer default 0 } type softvol control.name "Soft Pre-Amp Capture Volume" min_dB -0.2 max_dB 19.8 resolution 100 slave.pcm { type plug slave.pcm { type hw card $CARD device $DEV subdevice $SUBDEV } } } pcm.preampplay { @args [ CARD DEV SUBDEV ] @args.CARD { type string } @args.DEV { type integer } @args.SUBDEV { type integer default 0 } type softvol control.name "Soft Pre-Amp Playback Volume" min_dB -0.2 max_dB 19.8 resolution 100 slave.pcm { type plug slave.pcm { type hw card $CARD device $DEV subdevice $SUBDEV } } } pcm.lr { @args [ CARD DEV SUBDEV ] @args.CARD { type string } @args.DEV { type integer } @args.SUBDEV { type integer default 0 } type asym capture.pcm { @func concat strings [ "preampcap:" $CARD "," $DEV "," $SUBDEV ] } playback.pcm { @func concat strings [ "preampplay:" $CARD "," $DEV "," $SUBDEV ] } } pcm.ll { @args [ CARD DEV SUBDEV ] @args.CARD { type string } @args.DEV { type integer } @args.SUBDEV { type integer default 0 } type asym capture.pcm { type route slave.pcm { @func concat strings [ "preampcap:" $CARD "," $DEV "," $SUBDEV ] } ttable.0.0 1 ttable.1.0 1 } playback.pcm { type route slave.pcm { @func concat strings [ "preampplay:" $CARD "," $DEV "," $SUBDEV ] } ttable.0.0 1 ttable.0.1 1 } } pcm.rr { @args [ CARD DEV SUBDEV ] @args.CARD { type string } @args.DEV { type integer } @args.SUBDEV { type integer default 0 } type asym capture.pcm { type route slave.pcm { @func concat strings [ "preampcap:" $CARD "," $DEV "," $SUBDEV ] } ttable.0.1 1 ttable.1.1 1 } playback.pcm { type route slave.pcm { @func concat strings [ "preampplay:" $CARD "," $DEV "," $SUBDEV ] } ttable.1.0 1 ttable.1.1 1 } } !!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 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 : 4 Simple ctrls : 2 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] Simple mixer control 'Soft Pre-Amp',0 Capabilities: pvolume cvolume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 99 Capture 0 - 99 Front Left: Playback 1 [1%] [0.00dB] Capture 1 [1%] [0.00dB] Front Right: Playback 1 [1%] [0.00dB] Capture 1 [1%] [0.00dB] !!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 } } control.3 { iface MIXER name 'Soft Pre-Amp Capture Volume' value.0 1 value.1 1 comment { access 'read write user' type INTEGER count 2 range '0 - 99' tlv '0000000100000008ffffffec00000014' dbmin -20 dbmax 1960 dbvalue.0 0 dbvalue.1 0 } } control.4 { iface MIXER name 'Soft Pre-Amp Playback Volume' value.0 1 value.1 1 comment { access 'read write user' type INTEGER count 2 range '0 - 99' tlv '0000000100000008ffffffec00000014' dbmin -20 dbmax 1960 dbvalue.0 0 dbvalue.1 0 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cec cfg80211 cmac drm drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fb_sys_fops garp gpu_sched hci_uart i2c_bcm2835 i2c_dev ip_tables ipv6 llc mc nf_tables nfnetlink nvmem_rmem raspberrypi_hwmon rfcomm rfkill rpivid_hevc sha256_generic snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_soc_core snd_timer stp syscopyarea sysfillrect sysimgblt uinput uio uio_pdrv_genirq v3d v4l2_mem2mem vc4 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: 502528 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 smsc95xx.macaddr=E4:5F:01:B3:30:63 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 vt.global_cursor_default=0 quiet logo.nologo smsc95xx.turbo_mode=N console=ttyS0,115200 console=tty2 root=PARTUUID=6c586e13-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 4.596655] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 4.619281] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.622043] bcm2835_isp: module is from the staging directory, the quality is unknown, you have been warned. -- [ 4.675018] bcm2835-isp bcm2835-isp: Loaded V4L2 bcm2835-isp [ 4.691080] bcm2835_audio bcm2835_audio: card created with 8 channels [ 4.820318] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 4.820447] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4]) !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA