!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sun Oct 30 01:13:45 UTC 2016 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.4.21-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.4.21-v7 Library version: 1.0.28 Utilities version: 1.0.28 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835 - bcm2835 ALSA bcm2835 ALSA 1 [H540 ]: USB-Audio - Logitech USB Headset H540 Logitech Inc Logitech USB Headset H540 at usb-3f980000.usb-1.4, full speed !!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 force_bulk : N !!Module: snd_usb_audio autoclock : Y device_setup : 0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -2,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1 vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x046d0a37, ctrlif=0, ctlerr=0 Card: Logitech Inc Logitech USB Headset H540 at usb-3f980000.usb-1.4, full speed Unit: 2 Control: name="Auto Gain Control", index=0 Info: id=2, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 2 Control: name="Mic Capture Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-13056, max=1280, dBmin=-5100, dBmax=500 Unit: 2 Control: name="Mic Capture Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="Headphone Playback Volume", index=0 Info: id=5, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-15360, max=768, dBmin=-6000, dBmax=300 Unit: 5 Control: name="Headphone Playback Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 11 Control: name="Sidetone Playback Volume", index=0 Info: id=11, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=4096, dBmin=0, dBmax=1600 Unit: 11 Control: name="Sidetone Playback Switch", index=0 Info: id=11, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Oct 30 01:12 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Oct 30 01:12 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Oct 30 01:12 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Oct 30 01:12 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 Oct 30 01:12 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Oct 30 01:12 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Oct 30 01:12 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 30 01:12 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Oct 30 01:12 . drwxr-xr-x 4 root root 240 Oct 30 01:12 .. lrwxrwxrwx 1 root root 12 Oct 30 01:12 usb-Logitech_Inc_Logitech_USB_Headset_H540_00000000-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Oct 30 01:12 . drwxr-xr-x 4 root root 240 Oct 30 01:12 .. lrwxrwxrwx 1 root root 12 Oct 30 01:12 platform-3f980000.usb-usb-0:1.4:1.0 -> ../controlC1 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) #Speaker pcm.headset_speaker { type dmix ipc_key 1 slave { pcm "hw:1,0" period_time 0 period_size 1024 buffer_size 4096 rate 48000 } bindings { 0 0 1 1 } } pcm.!default { type plug slave.pcm headset_speaker } #Microphone pcm.headset_mic { type dsnoop ipc_key 2 slave { pcm "hw:1,0" period_time 0 period_size 2048 buffer_size 8192 rate 48000 channels 2 } bindings { 0 0 1 1 } } pcm.mic { type softvol min_dB -10.0 max_dB 50.0 slave { pcm "headset_mic" } control { name "mic" card 1 } } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 8/8 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 Subdevice #7: subdevice #7 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: H540 [Logitech USB Headset H540], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: H540 [Logitech USB Headset H540], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 6 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -1996 [77%] [-19.96dB] [on] !!-------Mixer controls for card 1 [H540] Card hw:1 'H540'/'Logitech Inc Logitech USB Headset H540 at usb-3f980000.usb-1.4, full speed' Mixer name : 'USB Mixer' Components : 'USB046d:0a37' Controls : 10 Simple ctrls : 5 Simple mixer control 'Headphone',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 32 Mono: Front Left: Playback 24 [75%] [-12.75dB] [on] Front Right: Playback 24 [75%] [-12.75dB] [on] Simple mixer control 'Sidetone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 4096 Mono: Playback 2048 [50%] [8.00dB] [on] Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 56 Mono: Capture 50 [89%] [-1.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'mic',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 255 Front Left: 153 [60%] Front Right: 153 [60%] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -1996 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -1996 } } 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 - 2' } } 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 } } control.6 { iface PCM name 'IEC958 Playback PCM Stream' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write inactive' type IEC958 count 1 } } } state.H540 { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Capture Volume' value 50 comment { access 'read write' type INTEGER count 1 range '0 - 56' dbmin -5100 dbmax 500 dbvalue.0 -100 } } control.5 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Sidetone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Sidetone Playback Volume' value 2048 comment { access 'read write' type INTEGER count 1 range '0 - 4096' dbmin 0 dbmax 1600 dbvalue.0 800 } } control.8 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.9 { iface MIXER name 'Headphone Playback Volume' value.0 24 value.1 24 comment { access 'read write' type INTEGER count 2 range '0 - 32' dbmin -6000 dbmax 300 dbvalue.0 -1275 dbvalue.1 -1275 } } control.10 { iface MIXER name mic value.0 153 value.1 153 comment { access 'read write user' type INTEGER count 2 range '0 - 255' tlv '00000001000000080000000000000014' dbmin 0 dbmax 5100 dbvalue.0 3060 dbvalue.1 3060 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module bnep hci_uart btbcm bluetooth brcmfmac brcmutil snd_usb_audio cfg80211 snd_hwdep snd_usbmidi_lib evdev snd_rawmidi rfkill snd_seq_device snd_bcm2835 snd_pcm snd_timer snd bcm2835_gpiomem bcm2835_wdt uio_pdrv_genirq uio ipv6 !!ALSA/HDA dmesg !!-------------- [ 5.833410] random: nonblocking pool is initialized [ 5.892585] usbcore: registered new interface driver snd-usb-audio [ 5.897560] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)