!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Mar 17 07:12:51 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: !!Kernel Information !!------------------ Kernel release: 5.3.0-1018-raspi2 Operating System: GNU/Linux Architecture: armv7l Processor: armv7l SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.3.0-1018-raspi2 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!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 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 !!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, 5 Mar 16 15:37 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Mar 16 15:37 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 3 Mar 16 15:37 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 4 Mar 16 15:37 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 1 Mar 16 15:37 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 16 15:37 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 16 15:37 . drwxr-xr-x 3 root root 180 Mar 16 15:37 .. lrwxrwxrwx 1 root root 12 Mar 16 15:37 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: 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 -2216 [75%] [-22.16dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -2216 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2216 } } 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 rtl2832_sdr r820t rtl2832 i2c_mux dvb_usb_rtl28xxu dvb_usb_v2 dvb_core bnep nls_ascii btsdio snd_bcm2835 bluetooth snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy ecdh_generic snd_seq_oss ecc joydev input_leds snd_seq_midi snd_seq_midi_event brcmfmac snd_rawmidi brcmutil snd_seq cfg80211 snd_seq_device bcm2835_v4l2 snd_timer bcm2835_mmal_vchiq vc_sm_cma v4l2_common videobuf2_vmalloc raspberrypi_hwmon snd videobuf2_memops videobuf2_v4l2 videobuf2_common videodev spidev mc rpivid_mem uio_pdrv_genirq uio sch_fq_codel iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi parport_pc ppdev lp parport ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor xor_neon raid6_pq libcrc32c raid1 raid0 multipath linear broadcom bcm_phy_lib mdio_bcm_unimac genet crc32_arm_ce sdhci_iproc gpio_regulator phy_generic fixed hid_generic usbhid aes_arm_bs crypto_simd cryptd !!ALSA/HDA dmesg !!-------------- [ 13.537384] usbcore: registered new interface driver brcmfmac [ 13.626155] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 13.631310] Bluetooth: Core ver 2.22