!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Dec 5 17:06:23 UTC 2019 !!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: 4.19.75-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.75-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 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA !!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 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Dec 5 16:16 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Dec 5 16:16 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Dec 5 16:16 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Dec 5 16:16 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Dec 5 16:16 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 5 16:16 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Dec 5 16:16 . drwxr-xr-x 3 root root 180 Dec 5 16:16 .. lrwxrwxrwx 1 root root 12 Dec 5 16:16 platform-soc:audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 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 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -1066 [86%] [-10.66dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -1066 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -1066 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 3' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic 8021q garp stp llc sg v3d brcmfmac gpu_sched brcmutil vc4 drm_kms_helper sha256_generic drm cfg80211 drm_panel_orientation_quirks snd_soc_core rfkill snd_compress snd_bcm2835 bcm2835_codec snd_pcm_dmaengine syscopyarea sysfillrect snd_pcm bcm2835_v4l2 sysimgblt fb_sys_fops v4l2_mem2mem snd_timer bcm2835_mmal_vchiq videobuf2_dma_contig v4l2_common raspberrypi_hwmon snd videobuf2_vmalloc hwmon videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media vc_sm_cma rpivid_mem uio_pdrv_genirq uio fixed ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.683402] bcm2835_codec: module is from the staging directory, the quality is unknown, you have been warned. [ 3.684193] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.698386] bcm2835-codec bcm2835-codec: Device registered as /dev/video10 -- [ 3.952305] usbcore: registered new interface driver brcmfmac [ 3.960791] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 3.960890] vc4-drm soc:gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])