!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Fri Jan 24 18:42:08 UTC 2020 !!Linux Distribution !!------------------ Ubuntu 18.04.3 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 18.04.3 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 18.04.3 LTS" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=bionic !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.66 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.66 Library version: 1.1.3 Utilities version: 1.1.3 !!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 Jan 24 02:42 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Jan 24 02:42 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jan 24 02:42 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Jan 24 02:42 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Jan 24 02:42 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 24 02:42 /dev/snd/timer !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 6/7 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 0 [96%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM 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 '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 ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 ip6table_filter ip6_tables bnep hci_uart btbcm serdev bluetooth ecdh_generic ipt_MASQUERADE nf_conntrack_netlink nfnetlink br_netfilter xt_owner i2c_dev brcmfmac bcm2835_v4l2 bcm2835_mmal_vchiq v4l2_common brcmutil videobuf2_vmalloc videobuf2_memops sha256_generic videobuf2_v4l2 videobuf2_common cfg80211 videodev media vc4 rfkill vc_sm_cma spidev v3d snd_soc_core snd_compress gpu_sched snd_pcm_dmaengine snd_bcm2835 snd_pcm snd_timer snd spi_bcm2835 vchiq uio_pdrv_genirq uio fixed nls_ascii nls_cp437 vfat fat sch_fq_codel !!ALSA/HDA dmesg !!-------------- [ 5.031723] vchiq: vchiq_init_state: slot_zero = (____ptrval____), is_master = 0 [ 5.094973] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.098355] bcm2835_audio soc:audio: card created with 8 channels -- [ 5.195218] media: Linux media interface: v0.10 [ 5.208789] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 5.208838] vc4-drm soc:gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])