!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Fri May 27 17:16:05 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-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.118-v7l 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 Mar 13 21:58 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Mar 13 21:58 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Mar 13 21:58 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 13 21:58 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 13 21:58 . drwxr-xr-x 3 root root 140 Mar 13 21:58 .. lrwxrwxrwx 1 root root 12 Mar 13 21:58 platform-soc:audio -> ../controlC0 !!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 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 -2000 [77%] [-20.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'Headphone Playback Volume' value -2000 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2000 } } control.2 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module binfmt_misc rpcsec_gss_krb5 fuse bnep hci_uart btbcm serdev bluetooth ecdh_generic sg lz4 lz4_compress zram brcmfmac bcm2835_codec zsmalloc brcmutil bcm2835_v4l2 v4l2_mem2mem vc4 cfg80211 bcm2835_mmal_vchiq rfkill videobuf2_dma_contig drm_kms_helper v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_soc_core videobuf2_common snd_compress v3d snd_pcm_dmaengine syscopyarea videodev sysfillrect snd_bcm2835 gpu_sched sysimgblt snd_pcm media fb_sys_fops raspberrypi_hwmon drm snd_timer hwmon vc_sm_cma snd drm_panel_orientation_quirks rpivid_mem i2c_bcm2835 uio_pdrv_genirq uio i2c_dev i2c_bcm2708 ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1011008 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 cma=64M snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 cma=256M smsc95xx.macaddr=DC:A6:32:18:AB:8F vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 root=PARTUUID=4bd27daf-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) -- [ 4.665219] media: Linux media interface: v0.10 [ 4.702847] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.726959] videodev: Linux video capture interface: v2.00 -- [ 5.102311] bcm2835_v4l2: module is from the staging directory, the quality is unknown, you have been warned. [ 5.107151] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 5.107195] vc4-drm soc:gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4]) -- [44301.649881] deprecated, use hwmon sysfs instead [44301.649884] Modules linked in: rpcsec_gss_krb5 fuse bnep hci_uart btbcm serdev bluetooth ecdh_generic sg lz4 lz4_compress zram brcmfmac bcm2835_codec(C) zsmalloc brcmutil bcm2835_v4l2(C) v4l2_mem2mem vc4 cfg80211 bcm2835_mmal_vchiq(C) rfkill videobuf2_dma_contig drm_kms_helper v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_soc_core videobuf2_common snd_compress v3d snd_pcm_dmaengine syscopyarea videodev sysfillrect snd_bcm2835(C) gpu_sched sysimgblt snd_pcm media fb_sys_fops raspberrypi_hwmon drm snd_timer hwmon vc_sm_cma(C) snd drm_panel_orientation_quirks rpivid_mem i2c_bcm2835 uio_pdrv_genirq uio i2c_dev i2c_bcm2708 ip_tables x_tables ipv6 [44301.649969] CPU: 1 PID: 26848 Comm: cat Tainted: G C 4.19.118-v7l #1311