!!################################
!!ALSA Information Script v 0.4.61
!!################################

!!Script ran on: Sat Jul  7 17:16:16 UTC 2012


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

Fedora release 17 (Beefy Miracle) Fedora release 17 (Beefy Miracle) NAME=Fedora ID=fedora PRETTY_NAME="Fedora 17 (Beefy Miracle)" CPE_NAME="cpe:/o:fedoraproject:fedora:17" Fedora release 17 (Beefy Miracle) Fedora release 17 (Beefy Miracle)


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

Manufacturer:      Hewlett-Packard
Product Name:      HP Pavilion dv2000 (GJ175PA#ACJ)
Product Version:   F.3B
Firmware Version:  F.3B


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

Kernel release:    3.4.4-3.fc17.i686
Operating System:  GNU/Linux
Architecture:      i686
Processor:         i686
SMP Enabled:       Yes


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

Driver version:     1.0.25
Library version:    
Utilities version:  1.0.25


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

snd_hda_intel


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

Pulseaudio:
      Installed - Yes (/bin/pulseaudio)
      Running - Yes

aRts:
      Installed - Yes (/bin/artsd)
      Running - No

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


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

 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xd4340000 irq 43


!!PCI Soundcards installed in the system
!!--------------------------------------

00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)


!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------

00:1b.0 0403: 8086:27d8 (rev 02)
	Subsystem: 103c:30b2
--
	Prefetchable memory behind bridge: 0000000040200000-00000000403fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-


!!Loaded sound module options
!!---------------------------

!!Module: snd_hda_intel
	align_buffer_size : -1
	bdl_pos_adj : 1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
	beep_mode : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
	enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
	enable_msi : -1
	id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
	index : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
	model : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
	patch : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
	position_fix : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
	power_save : 0
	power_save_controller : Y
	probe_mask : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
	probe_only : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
	single_cmd : N
	snoop : Y


!!HDA-Intel Codec information
!!---------------------------
--startcollapse--

Codec: Conexant CX20549 (Venice)
Address: 0
AFG Function Id: 0x1 (unsol 0)
MFG Function Id: 0x2 (unsol 1)
Vendor Id: 0x14f15045
Subsystem Id: 0x103c30b2
Revision Id: 0x100100
Modem Function Group: 0x2
Default PCM:
    rates [0x140]: 48000 96000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
GPIO: io=0, o=0, i=0, unsolicited=0, wake=0
Node 0x10 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Control: name="Speaker Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Speaker Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
  Amp-Out vals:  [0x21 0x21]
  Pincap 0x00010014: OUT EAPD Detect
  EAPD 0x2: EAPD
  Pin Default 0x95170110: [Fixed] Speaker at Int Top
    Conn = Analog, Color = Unknown
    DefAssociation = 0x1, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0
  Connection: 2
     0x19* 0x17
Node 0x11 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Control: name="Headphone Playback Volume", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Headphone Playback Switch", index=0, device=0
    ControlAmp: chs=3, dir=Out, idx=0, ofs=0
  Control: name="Front Headphone Jack", index=0, device=0
  Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
  Amp-Out vals:  [0x21 0x21]
  Pincap 0x0000113c: IN OUT HP Detect
    Vref caps: HIZ 80
  Pin Default 0x0221401f: [Jack] HP Out at Ext Front
    Conn = 1/8, Color = Green
    DefAssociation = 0x1, Sequence = 0xf
  Pin-ctls: 0xc0: OUT HP VREF_HIZ
  Unsolicited: tag=01, enabled=1
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0
  Connection: 2
     0x19* 0x17
Node 0x12 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
  Amp-Out caps: ofs=0x2b, nsteps=0x2b, stepsize=0x05, mute=1
  Amp-Out vals:  [0xab 0xab]
  Pincap 0x0000113c: IN OUT HP Detect
    Vref caps: HIZ 80
  Pin Default 0x62a1902e: [N/A] Mic at Sep Front
    Conn = 1/8, Color = Pink
    DefAssociation = 0x2, Sequence = 0xe
  Pin-ctls: 0x00: VREF_HIZ
  Unsolicited: tag=00, enabled=0
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0
  Connection: 2
     0x19* 0x17
Node 0x13 [Pin Complex] wcaps 0x400301: Stereo Digital
  Pincap 0x00000010: OUT
  Pin Default 0x21451130: [Jack] SPDIF Out at Sep Rear
    Conn = Optical, Color = Black
    DefAssociation = 0x3, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Connection: 1
     0x18
Node 0x14 [Pin Complex] wcaps 0x400081: Stereo
  Pincap 0x00001124: IN Detect
    Vref caps: HIZ 80
  Pin Default 0x97a701f0: [Fixed] Mic at Int Riser
    Conn = Analog, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x24: IN VREF_80
  Unsolicited: tag=00, enabled=0
Node 0x15 [Pin Complex] wcaps 0x400001: Stereo
  Pincap 0x00000020: IN
  Pin Default 0x54330121: [N/A] CD at Int Right
    Conn = ATAPI, Color = Unknown
    DefAssociation = 0x2, Sequence = 0x1
    Misc = NO_PRESENCE
  Pin-ctls: 0x00:
Node 0x16 [Beep Generator Widget] wcaps 0x70000c: Mono Amp-Out
  Control: name="Beep Playback Volume", index=0, device=0
    ControlAmp: chs=1, dir=Out, idx=0, ofs=0
  Control: name="Beep Playback Switch", index=0, device=0
    ControlAmp: chs=1, dir=Out, idx=0, ofs=0
  Amp-Out caps: ofs=0x07, nsteps=0x07, stepsize=0x0b, mute=1
  Amp-Out vals:  [0x06]
Node 0x17 [Audio Mixer] wcaps 0x20050b: Stereo Amp-In
  Amp-In caps: ofs=0x14, nsteps=0x2b, stepsize=0x05, mute=1
  Amp-In vals:  [0x94 0x94] [0x94 0x94] [0x94 0x94] [0x94 0x94] [0x94 0x94]
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0
  Connection: 5
     0x19 0x14 0x12 0x11 0x15
Node 0x18 [Audio Output] wcaps 0x211: Stereo Digital
  Control: name="IEC958 Playback Con Mask", index=0, device=0
  Control: name="IEC958 Playback Pro Mask", index=0, device=0
  Control: name="IEC958 Playback Default", index=0, device=0
  Control: name="IEC958 Playback Switch", index=0, device=0
  Control: name="IEC958 Default PCM Playback Switch", index=0, device=0
  Device: name="Conexant Digital", type="SPDIF", device=1
  Converter: stream=8, channel=0
  Digital: Enabled
  Digital category: 0x0
  PCM:
    rates [0x40]: 48000
    bits [0x6]: 16 20
    formats [0x5]: PCM AC3
Node 0x19 [Audio Output] wcaps 0xc11: Stereo R/L
  Device: name="CONEXANT Analog", type="Audio", device=0
  Converter: stream=8, channel=0
  PCM:
    rates [0x540]: 48000 96000 192000
    bits [0xe]: 16 20 24
    formats [0x1]: PCM
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0
Node 0x1a [Audio Input] wcaps 0x100d0b: Stereo Amp-In R/L
  Control: name="Capture Volume", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Control: name="Capture Switch", index=0, device=0
    ControlAmp: chs=3, dir=In, idx=0, ofs=0
  Device: name="CONEXANT Analog", type="Audio", device=0
  Amp-In caps: ofs=0x00, nsteps=0x17, stepsize=0x05, mute=1
  Amp-In vals:  [0x17 0x17]
  Converter: stream=4, channel=0
  SDI-Select: 0
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0
  Connection: 5
     0x17 0x14* 0x12 0x11 0x15
Node 0x1b [Vendor Defined Widget] wcaps 0xf00000: Mono
--endcollapse--


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

crw-rw----  1 root audio 116,  6 Jul  7 22:36 /dev/snd/controlC0
crw-rw----  1 root audio 116,  5 Jul  7 22:36 /dev/snd/hwC0D0
crw-rw----  1 root audio 116,  4 Jul  7 22:42 /dev/snd/pcmC0D0c
crw-rw----  1 root audio 116,  3 Jul  7 22:42 /dev/snd/pcmC0D0p
crw-rw----  1 root audio 116,  2 Jul  7 22:42 /dev/snd/pcmC0D1p
crw-rw----. 1 root audio 116,  1 Jul  7 22:36 /dev/snd/seq
crw-rw----  1 root audio 116, 33 Jul  7 22:36 /dev/snd/timer

/dev/snd/by-path:
total 0
drwxr-xr-x. 2 root root  60 Jul  7 22:36 .
drwxr-xr-x. 3 root root 200 Jul  7 22:36 ..
lrwxrwxrwx. 1 root root  12 Jul  7 22:36 pci-0000:00:1b.0 -> ../controlC0


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

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

#
# Place your global alsa-lib configuration here...
#


!!Aplay/Arecord output
!!--------------------

APLAY

**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: Conexant Digital [Conexant Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

!!Amixer output
!!-------------

!!-------Mixer controls for card 0 [Intel]

Card hw:0 'Intel'/'HDA Intel at 0xd4340000 irq 43'
  Mixer name	: 'Conexant CX20549 (Venice)'
  Components	: 'HDA:14f15045,103c30b2,00100100'
  Controls      : 19
  Simple ctrls  : 10
Simple mixer control 'Master',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 43
  Mono: Playback 33 [77%] [8.25dB] [on]
Simple mixer control 'Headphone',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 43
  Mono:
  Front Left: Playback 43 [100%] [0.00dB] [on]
  Front Right: Playback 43 [100%] [0.00dB] [on]
Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 43
  Mono:
  Front Left: Playback 43 [100%] [0.00dB] [on]
  Front Right: Playback 43 [100%] [0.00dB] [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume penum
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 255
  Mono:
  Front Left: Playback 255 [100%] [0.00dB]
  Front Right: Playback 255 [100%] [0.00dB]
Simple mixer control 'IEC958',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'IEC958 Default PCM',0
  Capabilities: pswitch pswitch-joined penum
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'Beep',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
  Playback channels: Mono
  Limits: Playback 0 - 7
  Mono: Playback 6 [86%] [-3.00dB] [on]
Simple mixer control 'Capture',0
  Capabilities: cvolume cswitch penum
  Capture channels: Front Left - Front Right
  Limits: Capture 0 - 23
  Front Left: Capture 23 [100%] [34.50dB] [on]
  Front Right: Capture 23 [100%] [34.50dB] [on]
Simple mixer control 'Auto-Mute Mode',0
  Capabilities: enum
  Items: 'Disabled' 'Enabled'
  Item0: 'Enabled'
Simple mixer control 'Mute-LED Mode',0
  Capabilities: enum
  Items: 'Off' 'On' 'Follow Master'
  Item0: 'Follow Master'


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

--startcollapse--
state.Intel {
	control.1 {
		iface MIXER
		name 'Speaker Playback Volume'
		value.0 43
		value.1 43
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 43'
			dbmin -6450
			dbmax 0
			dbvalue.0 0
			dbvalue.1 0
		}
	}
	control.2 {
		iface MIXER
		name 'Speaker Playback Switch'
		value.0 true
		value.1 true
		comment {
			access 'read write'
			type BOOLEAN
			count 2
		}
	}
	control.3 {
		iface MIXER
		name 'Headphone Playback Volume'
		value.0 43
		value.1 43
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 43'
			dbmin -6450
			dbmax 0
			dbvalue.0 0
			dbvalue.1 0
		}
	}
	control.4 {
		iface MIXER
		name 'Headphone Playback Switch'
		value.0 true
		value.1 true
		comment {
			access 'read write'
			type BOOLEAN
			count 2
		}
	}
	control.5 {
		iface MIXER
		name 'Auto-Mute Mode'
		value Enabled
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 Disabled
			item.1 Enabled
		}
	}
	control.6 {
		iface MIXER
		name 'Capture Volume'
		value.0 23
		value.1 23
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 23'
			dbmin 0
			dbmax 3450
			dbvalue.0 3450
			dbvalue.1 3450
		}
	}
	control.7 {
		iface MIXER
		name 'Capture Switch'
		value.0 true
		value.1 true
		comment {
			access 'read write'
			type BOOLEAN
			count 2
		}
	}
	control.8 {
		iface MIXER
		name 'IEC958 Playback Con Mask'
		value '0fff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access read
			type IEC958
			count 1
		}
	}
	control.9 {
		iface MIXER
		name 'IEC958 Playback Pro Mask'
		value '0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access read
			type IEC958
			count 1
		}
	}
	control.10 {
		iface MIXER
		name 'IEC958 Playback Default'
		value '0400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000'
		comment {
			access 'read write'
			type IEC958
			count 1
		}
	}
	control.11 {
		iface MIXER
		name 'IEC958 Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.12 {
		iface MIXER
		name 'IEC958 Default PCM Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.13 {
		iface MIXER
		name 'Master Playback Volume'
		value 33
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 43'
			dbmin 0
			dbmax 1075
			dbvalue.0 825
		}
	}
	control.14 {
		iface MIXER
		name 'Master Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.15 {
		iface MIXER
		name 'Beep Playback Volume'
		value 6
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 7'
			dbmin -2100
			dbmax 0
			dbvalue.0 -300
		}
	}
	control.16 {
		iface MIXER
		name 'Beep Playback Switch'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
	control.17 {
		iface CARD
		name 'Front Headphone Jack'
		value false
		comment {
			access read
			type BOOLEAN
			count 1
		}
	}
	control.18 {
		iface MIXER
		name 'Mute-LED Mode'
		value 'Follow Master'
		comment {
			access 'read write'
			type ENUMERATED
			count 1
			item.0 Off
			item.1 On
			item.2 'Follow Master'
		}
	}
	control.19 {
		iface MIXER
		name 'PCM Playback Volume'
		value.0 255
		value.1 255
		comment {
			access 'read write user'
			type INTEGER
			count 2
			range '0 - 255'
			tlv '0000000100000008ffffec1400000014'
			dbmin -5100
			dbmax 0
			dbvalue.0 0
			dbvalue.1 0
		}
	}
}
--endcollapse--


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

Module
fuse
tpm_bios
rfcomm
bnep
ip6t_REJECT
nf_conntrack_ipv6
nf_defrag_ipv6
ip6table_filter
ip6_tables
nf_conntrack_ipv4
nf_defrag_ipv4
xt_state
nf_conntrack
uvcvideo
videobuf2_vmalloc
videobuf2_memops
videobuf2_core
videodev
media
arc4
btusb
bluetooth
b43
bcma
mac80211
snd_hda_codec_conexant
cfg80211
r592
e100
mii
memstick
ssb
iTCO_wdt
iTCO_vendor_support
snd_hda_intel
snd_hda_codec
snd_hwdep
snd_pcm
snd_page_alloc
snd_timer
i2c_i801
snd
soundcore
serio_raw
hp_wmi
sparse_keymap
rfkill
coretemp
microcode
uinput
usb_storage
firewire_ohci
sdhci_pci
sdhci
mmc_core
firewire_core
crc_itu_t
wmi
i915
video
i2c_algo_bit
drm_kms_helper
drm
i2c_core


!!Sysfs Files
!!-----------

/sys/class/sound/hwC0D0/init_pin_configs:
0x10 0x95170110
0x11 0x0221401f
0x12 0x62a1902e
0x13 0x21451130
0x14 0x97a701f0
0x15 0x54330121

/sys/class/sound/hwC0D0/driver_pin_configs:

/sys/class/sound/hwC0D0/user_pin_configs:

/sys/class/sound/hwC0D0/init_verbs:


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

[   15.527380] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver
[   15.533074] snd_hda_intel 0000:00:1b.0: irq 43 for MSI/MSI-X
[   15.534834] iTCO_vendor_support: vendor-support=0
--
[   15.615577] cfg80211: Calling CRDA to update world regulatory domain
[   15.624254] hda_codec: CX20549 (Venice): BIOS auto-probing.
[   15.624266] ALSA sound/pci/hda/hda_codec.c:5099 autoconfig: line_outs=1 (0x10/0x0/0x0/0x0/0x0) type:speaker
[   15.624270] ALSA sound/pci/hda/hda_codec.c:5103    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[   15.624275] ALSA sound/pci/hda/hda_codec.c:5107    hp_outs=1 (0x11/0x0/0x0/0x0/0x0)
[   15.624278] ALSA sound/pci/hda/hda_codec.c:5108    mono: mono_out=0x0
[   15.624281] ALSA sound/pci/hda/hda_codec.c:5111    dig-out=0x13/0x0
[   15.624284] ALSA sound/pci/hda/hda_codec.c:5112    inputs:
[   15.624288] ALSA sound/pci/hda/hda_codec.c:5116  Mic=0x14
[   15.624290] ALSA sound/pci/hda/hda_codec.c:5118 
[   15.624927] ALSA sound/pci/hda/patch_conexant.c:4513 hda_codec: Enable sync_write for stable communication
[   15.640290] b43-phy0: Broadcom 4311 WLAN found (core revision 13)
[   15.649445] input: HDA Intel Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[   15.669372] Broadcom 43xx driver loaded [ Features: PMNLS ]