!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sat Jul 11 13:29:46 UTC 2020 !!Linux Distribution !!------------------ Ubuntu 18.04.4 LTS \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 18.04.4 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 Ubuntu 18.04.4 LTS (Bionic Beaver) !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.105-v8-28 Operating System: GNU/Linux Architecture: aarch64 Processor: aarch64 SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.105-v8-28 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_bcm2835 !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [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_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_usb_audio: index=-2 snd_usb_caiaq: index=-2 snd_usb_ua101: index=-2 snd_usb_us122l: index=-2 snd_usb_usx2y: index=-2 snd_cmipci: mpu_port=0x330 fm_port=0x388 snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_bcm2835: enable_headphones=1 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_compat_alsa=0 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!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 Jan 28 2018 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jan 28 2018 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jan 28 2018 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Jan 28 2018 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jan 28 2018 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 28 2018 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jan 28 2018 . drwxr-xr-x 3 root root 180 Jan 28 2018 .. lrwxrwxrwx 1 root root 12 Jan 28 2018 platform-soc:audio -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 1: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card b1 Card hw:0 'b1'/'bcm2835 HDMI 1' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'HDMI',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 400 [100%] [4.00dB] [on] !!-------Mixer controls for card Headphones Card hw:1 '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 400 [100%] [4.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.b1 { control.1 { iface MIXER name 'HDMI 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 'HDMI Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } 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 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 aes_neon_blk bcm2835_codec bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cec cfg80211 crc_ccitt cryptd crypto_simd drm drm_kms_helper drm_panel_orientation_quirks ecdh_generic evdev fb_sys_fops fuse gpu_sched hci_uart hwmon ip_tables ipv6 joydev media raspberrypi_hwmon rfcomm rfkill rpivid_mem sch_fq_codel serdev snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq snd_seq_device snd_seq_midi snd_seq_midi_event snd_soc_core snd_timer syscopyarea sysfillrect sysimgblt uio uio_pdrv_genirq v3d v4l2_common 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: 996912 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 cma=64M cma=256M video=HDMI-A-1:1920x1080M@60,margin_left=0,margin_right=0,margin_top=0,margin_bottom=0 smsc95xx.macaddr=DC:A6:32:99:44:2F vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_compat_alsa=0 dwc_otg.lpm_enable=0 console=ttyS0,115200 console=tty1 fsck.repair=yes fsck.mode=auto root=/dev/mmcblk0p2 rootfstype=ext4 elevator=deadline rootwait [ 0.000000] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) -- [ 5.257388] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.346595] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.351215] bcm2835_audio soc:audio: card created with 4 channels !!Packages installed !!-------------------- ii alsa-oss 1.0.28-1ubuntu1 arm64 ALSA wrapper for OSS applications ii alsa-tools 1.1.3-1 arm64 Console based ALSA utilities for specific hardware ii alsa-utils 1.1.3-1ubuntu1 arm64 Utilities for configuring and using ALSA