!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Sun Sep 17 16:33:57 UTC 2017


!!Linux Distribution
!!------------------

ID_LIKE=debian


!!DMI Information
!!---------------

Manufacturer:      
Product Name:      
Product Version:   
Firmware Version:  


!!Kernel Information
!!------------------

Kernel release:    4.9.41-v7 
Operating System:  GNU/Linux
Architecture:      armv7l
Processor:         unknown
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     k4.9.41-v7 
Library version:    1.1.3
Utilities version:  1.1.3


!!Loaded ALSA modules
!!-------------------

snd_bcm2835
snd_aloop


!!Sound Servers on this system
!!----------------------------

Jack:
      Installed - Yes (/usr/bin/jackd)
      Running - No


!!Soundcards recognised by ALSA
!!-----------------------------

 0 [ALSA           ]: bcm2835 - bcm2835 ALSA
                      bcm2835 ALSA
 1 [Myloopback     ]: Loopback - Loopback
                      Loopback 1


!!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_aloop
	enable : Y,N,N,N,N,N,N,N
	id : My loopback,(null),(null),(null),(null),(null),(null),(null)
	index : 1,-1,-1,-1,-1,-1,-1,-1
	pcm_notify : 0,0,0,0,0,0,0,0
	pcm_substreams : 2,8,8,8,8,8,8,8


!!ALSA Device nodes
!!-----------------

crw-rw---- 1 root audio 116,  0 Sep 16 21:17 /dev/snd/controlC0
crw-rw---- 1 root audio 116, 32 Sep 17 10:19 /dev/snd/controlC1
crw-rw---- 1 root audio 116, 16 Sep 16 21:17 /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 17 Sep 16 21:17 /dev/snd/pcmC0D1p
crw-rw---- 1 root audio 116, 56 Sep 17 10:19 /dev/snd/pcmC1D0c
crw-rw---- 1 root audio 116, 48 Sep 17 10:19 /dev/snd/pcmC1D0p
crw-rw---- 1 root audio 116, 57 Sep 17 10:19 /dev/snd/pcmC1D1c
crw-rw---- 1 root audio 116, 49 Sep 17 10:19 /dev/snd/pcmC1D1p
crw-rw---- 1 root audio 116,  1 Sep 16 21:17 /dev/snd/seq
crw-rw---- 1 root audio 116, 33 Sep 16 21:17 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  80 Sep 17 10:19 .
drwxr-xr-x 3 root root 260 Sep 17 10:19 ..
lrwxrwxrwx 1 root root  12 Sep 17 10:19 platform-snd_aloop.0 -> ../controlC1
lrwxrwxrwx 1 root root  12 Sep 16 21:17 platform-soc:audio -> ../controlC0


!!ALSA configuration files
!!------------------------

!!System wide config file (/etc/asound.conf)

pcm_slave.audiojackslave {
	pcm "hw:0,0,0"
        format S16_LE
        rate 48000
        channels 1
}


pcm.audiojack_plug {
	type plug
	slave audiojackslave
}

pcm.audiojack {
	type dmix
	ipc_key 1234
	slave audiojackslave
	bindings {
                0 0
        }
}


pcm.rtpstream {
	type dmix
        ipc_key 4567
	slave {
		pcm "hw:1,0,0"
		rate 48000
		channels 1
	}
	bindings {
		0 0
	}
	
}


pcm.both {
	type route
	slave.pcm {
		type multi
		slaves.a.pcm "audiojack"
		slaves.b.pcm "rtpstream"
		slaves.a.channels 1
		slaves.b.channels 1
		bindings.0.slave a
		bindings.0.channel 0
		bindings.1.slave b
                bindings.1.channel 0
	}
	ttable.0.0 1;
	ttable.0.1 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: Myloopback [Loopback], device 0: Loopback PCM [Loopback PCM]
  Subdevices: 2/2
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
card 1: Myloopback [Loopback], device 1: Loopback PCM [Loopback PCM]
  Subdevices: 2/2
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1

ARECORD

**** List of CAPTURE Hardware Devices ****
card 1: Myloopback [Loopback], device 0: Loopback PCM [Loopback PCM]
  Subdevices: 2/2
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
card 1: Myloopback [Loopback], device 1: Loopback PCM [Loopback PCM]
  Subdevices: 1/2
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1

!!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 -2000 [77%] [-20.00dB] [on]

!!-------Mixer controls for card 1 [Myloopback]

Card hw:1 'Myloopback'/'Loopback 1'
  Mixer name	: 'Loopback Mixer'
  Components	: ''
  Controls      : 24
  Simple ctrls  : 0


!!Alsactl output
!!--------------

--startcollapse--
state.ALSA {
	control.1 {
		iface MIXER
		name 'PCM Playback Volume'
		value -2000
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '-10239 - 400'
			dbmin -9999999
			dbmax 400
			dbvalue.0 -2000
		}
	}
	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.Myloopback {
	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
		subdevice 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
		subdevice 1
		name 'PCM Notify'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.9 {
		iface PCM
		subdevice 1
		name 'PCM Slave Active'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.10 {
		iface PCM
		subdevice 1
		name 'PCM Slave Format'
		value 2
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 52 (step 1)'
		}
	}
	control.11 {
		iface PCM
		subdevice 1
		name 'PCM Slave Rate'
		value 48000
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 192000 (step 1)'
		}
	}
	control.12 {
		iface PCM
		subdevice 1
		name 'PCM Slave Channels'
		value 2
		comment {
			access read
			type INTEGER
			count 1
			range '1 - 1024 (step 1)'
		}
	}
	control.13 {
		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.14 {
		iface PCM
		device 1
		name 'PCM Notify'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.15 {
		iface PCM
		device 1
		name 'PCM Slave Active'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.16 {
		iface PCM
		device 1
		name 'PCM Slave Format'
		value 2
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 52 (step 1)'
		}
	}
	control.17 {
		iface PCM
		device 1
		name 'PCM Slave Rate'
		value 48000
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 192000 (step 1)'
		}
	}
	control.18 {
		iface PCM
		device 1
		name 'PCM Slave Channels'
		value 2
		comment {
			access read
			type INTEGER
			count 1
			range '1 - 1024 (step 1)'
		}
	}
	control.19 {
		iface PCM
		device 1
		subdevice 1
		name 'PCM Rate Shift 100000'
		value 100000
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '80000 - 120000 (step 1)'
		}
	}
	control.20 {
		iface PCM
		device 1
		subdevice 1
		name 'PCM Notify'
		value false
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.21 {
		iface PCM
		device 1
		subdevice 1
		name 'PCM Slave Active'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.22 {
		iface PCM
		device 1
		subdevice 1
		name 'PCM Slave Format'
		value 2
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 52 (step 1)'
		}
	}
	control.23 {
		iface PCM
		device 1
		subdevice 1
		name 'PCM Slave Rate'
		value 48000
		comment {
			access read
			type INTEGER
			count 1
			range '0 - 192000 (step 1)'
		}
	}
	control.24 {
		iface PCM
		device 1
		subdevice 1
		name 'PCM Slave Channels'
		value 2
		comment {
			access read
			type INTEGER
			count 1
			range '1 - 1024 (step 1)'
		}
	}
}
--endcollapse--


!!All Loaded Modules
!!------------------

Module
snd_aloop
binfmt_misc
cmac
bnep
hci_uart
btbcm
bluetooth
spidev
brcmfmac
brcmutil
cfg80211
rfkill
snd_bcm2835
snd_pcm
snd_timer
snd
bcm2835_gpiomem
i2c_bcm2835
spi_bcm2835
uio_pdrv_genirq
fixed
uio
i2c_dev
ip_tables
x_tables
ipv6


!!ALSA/HDA dmesg
!!--------------

[    9.470259] Bluetooth: BNEP socket layer initialized
[16001.495855] snd_aloop: unknown parameter 'pcm_substream' ignored
[16001.496745] snd_aloop snd_aloop.0: cannot find the slot for index 0 (range 0-1), error: -16
[16001.496765] snd_aloop: probe of snd_aloop.0 failed with error -16
[16001.496855] aloop: No loopback enabled
[16014.626682] snd_aloop: unknown parameter 'pcm_substream' ignored
[16014.630815] snd_aloop snd_aloop.0: cannot find the slot for index 0 (range 0-1), error: -16
[16014.630839] snd_aloop: probe of snd_aloop.0 failed with error -16
[16014.630934] aloop: No loopback enabled
[16032.314338] snd_aloop: unknown parameter 'pcm_substream' ignored