!!################################ !!ALSA Information Script v 0.5.0 !!################################ !!Script ran on: Mon Jun 7 14:11:50 UTC 2021 !!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: 5.10.17-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.10.17-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 Jun 7 16:03 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Jun 7 16:03 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Jun 7 16:03 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jun 7 16:03 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jun 7 16:03 . drwxr-xr-x 3 root root 140 Jun 7 16:03 .. lrwxrwxrwx 1 root root 12 Jun 7 16:03 platform-bcm2835_audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type hw card 0 } ctl.!default { type hw card 0 } !!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 : 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 61 [97%] [0.61dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'Headphone Playback Volume' value 61 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 61 } } control.2 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc brcmfmac brcmutil cec cfg80211 drm drm_kms_helper drm_panel_orientation_quirks fb_sys_fops gpio_fan gpu_sched ip_tables ipv6 mc nfsd nvmem_rmem raspberrypi_hwmon rfkill rpivid_mem sha256_generic snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_pcm_oss snd_soc_core snd_timer syscopyarea sysfillrect sysimgblt 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: 1013504 [ 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=DC:A6:32:18:D8:42 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 elevator=deadline fsck.repair=yes root=/dev/mmcblk0p2 rootfstype=f2fs rootwait net.ifnames=0 loglevel=3 [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 4.608933] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000 [ 4.684497] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.686666] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned. -- [ 4.711315] [vc_sm_connected_init]: installed successfully [ 4.717010] bcm2835_audio bcm2835_audio: card created with 8 channels [ 4.731372] mc: Linux media interface: v0.10 -- [ 4.953127] bcm2835-codec bcm2835-codec: Loaded V4L2 encode [ 4.977625] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 4.977757] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4]) -- [ 9.836639] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 252.160959] bcm2835_audio bcm2835_audio: failed to close VCHI service connection (status=1) [ 301.046879] bcm2835_audio bcm2835_audio: failed to close VCHI service connection (status=1) [ 453.866168] bcm2835_audio bcm2835_audio: failed to close VCHI service connection (status=1) !!Packages installed !!-------------------- ii alsa-oss 1.1.8-1 armhf ALSA wrapper for OSS applications ii alsa-utils 1.1.8-2 rpt1 armhf Utilities for configuring and using ALSA