!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Fri Aug 9 02:33:10 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.58-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.58-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_aloop snd_soc_rpi_simple_soundcard !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Loopback ]: Loopback - Loopback Loopback 1 1 [sndrpihifiberry]: RPi-simple - snd_rpi_hifiberry_dac snd_rpi_hifiberry_dac !!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_aloop: index=0 pcm_substreams=1 !!Loaded sound module options !!--------------------------- !!Module: snd_aloop enable : Y,N,N,N,N,N,N,N id : (null),(null),(null),(null),(null),(null),(null),(null) index : 0,-1,-1,-1,-1,-1,-1,-1 pcm_notify : 0,0,0,0,0,0,0,0 pcm_substreams : 1,8,8,8,8,8,8,8 !!Module: snd_soc_rpi_simple_soundcard * : !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Nov 3 2016 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Aug 8 23:24 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 24 Aug 8 23:24 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 Aug 8 23:24 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 25 Aug 8 23:24 /dev/snd/pcmC0D1c crw-rw---- 1 root audio 116, 17 Nov 3 2016 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 48 Aug 8 23:24 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Nov 3 2016 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 8 23:24 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Aug 8 23:24 . drwxr-xr-x 3 root root 240 Aug 8 23:24 .. lrwxrwxrwx 1 root root 12 Nov 3 2016 platform-snd_aloop.0 -> ../controlC0 lrwxrwxrwx 1 root root 12 Aug 8 23:24 platform-soc:sound -> ../controlC1 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type plug slave.pcm MVolume } ctl.!default { type hw card 1 } pcm.MVolume { type softvol slave.pcm "plughw:1" control.name MVol control.card 1 min_dB -90.2 max_dB 3.0 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: sndrpihifiberry [snd_rpi_hifiberry_dac], device 0: HifiBerry DAC HiFi pcm5102a-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Loopback [Loopback], device 0: Loopback PCM [Loopback PCM] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: Loopback [Loopback], device 1: Loopback PCM [Loopback PCM] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [Loopback] Card hw:0 'Loopback'/'Loopback 1' Mixer name : 'Loopback Mixer' Components : '' Controls : 12 Simple ctrls : 0 !!-------Mixer controls for card 1 [sndrpihifiberry]:] Card hw:1 'sndrpihifiberry'/'snd_rpi_hifiberry_dac' Mixer name : '' Components : '' Controls : 1 Simple ctrls : 1 Simple mixer control 'MVol',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 255 Front Left: 26 [10%] Front Right: 26 [10%] !!Alsactl output !!-------------- --startcollapse-- state.Loopback { control.1 { iface PCM name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.2 { iface PCM name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface PCM name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.4 { iface PCM name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.5 { iface PCM name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.6 { iface PCM name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } control.7 { iface PCM device 1 name 'PCM Rate Shift 100000' value 100000 comment { access 'read write' type INTEGER count 1 range '80000 - 120000 (step 1)' } } control.8 { iface PCM device 1 name 'PCM Notify' value false comment { access 'read write' type BOOLEAN count 1 } } control.9 { iface PCM device 1 name 'PCM Slave Active' value false comment { access read type BOOLEAN count 1 } } control.10 { iface PCM device 1 name 'PCM Slave Format' value 2 comment { access read type INTEGER count 1 range '0 - 52 (step 1)' } } control.11 { iface PCM device 1 name 'PCM Slave Rate' value 48000 comment { access read type INTEGER count 1 range '0 - 192000 (step 1)' } } control.12 { iface PCM device 1 name 'PCM Slave Channels' value 2 comment { access read type INTEGER count 1 range '1 - 1024 (step 1)' } } } state.sndrpihifiberry { control.1 { iface MIXER name MVol value.0 26 value.1 26 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '0000000100000008ffffdcc400000024' dbmin -9020 dbmax 160 dbvalue.0 -8084 dbvalue.1 -8084 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module binfmt_misc arc4 ecb md4 md5 sha512_generic cmac hmac nls_utf8 cifs ccm fuse sha256_generic cfg80211 rfkill bcm2835_codec bcm2835_v4l2 v4l2_mem2mem v4l2_common bcm2835_mmal_vchiq videobuf2_vmalloc videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common snd_soc_rpi_simple_soundcard videodev raspberrypi_hwmon media snd_soc_bcm2835_i2s vc_sm_cma snd_soc_pcm5102a snd_soc_core fixed snd_compress snd_pcm_dmaengine uio_pdrv_genirq uio ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp xt_addrtype xt_conntrack snd_aloop snd_pcm ip6_tables snd_timer nf_conntrack_netbios_ns nf_conntrack_broadcast snd nf_nat_ftp nf_nat rtc_ds1307 nf_conntrack_ftp nf_conntrack hwmon nf_defrag_ipv6 nf_defrag_ipv4 i2c_dev i2c_bcm2835 iptable_filter ip_tables x_tables !!ALSA/HDA dmesg !!-------------- [ 4.022768] videodev: Linux video capture interface: v2.00 [ 4.022942] snd-rpi-simple soc:sound: pcm5102a-hifi <-> 3f203000.i2s mapping ok [ 4.067720] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned.