On this Macbook Air, audio only works through the headphone jack,
not through the speakers when the headphones are unplugged.

    $> mixerctl -a
    inputs.dac-0:1_mute=off
    inputs.dac-0:1=100,100
    inputs.dac-2:3_mute=off
    inputs.dac-2:3=100,100
    record.adc-0:1_source=mic
    record.adc-0:1_mute=off
    record.adc-0:1=124,124
    outputs.hp_source=dac-0:1
    outputs.hp_boost=off
    outputs.spkr_source=dac-2:3
    inputs.mic=85,85
    outputs.mic_dir=input-vr80
    outputs.hp_sense=plugged
    outputs.spkr_muters=
    outputs.master=100,100
    outputs.master.mute=off
    outputs.master.slaves=dac-0:1,dac-2:3
    record.volume=124,124
    record.volume.mute=off
    record.volume.slaves=adc-0:1

I guessed that outputs.spkr_source should be hp_source's value, but
that gives an error:

    $> mixerctl outputs.spkr_source=dac-0:1
    mixerctl: Bad enum value dac-0:1

Should I be able to change that or is there some other weird
mixerctl voodoo I need to do to get audio through the speakers?


OpenBSD 5.3-current (GENERIC.MP) #107: Tue May 14 13:04:05 CDT 2013
    [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
RTC BIOS diagnostic error 
ff<clock_battery,ROM_cksum,config_unit,memory_size,fixed_disk,invalid_time>
real mem = 4185079808 (3991MB)
avail mem = 4065959936 (3877MB)
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xe0000 (53 entries)
bios0: vendor Apple Inc. version "MBA41.88Z.0077.B0F.1201241549" date 01/24/2012
bios0: Apple Inc. MacBookAir4,1
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP HPET APIC SBST ECDT SSDT SSDT SSDT SSDT SSDT SSDT SSDT 
SSDT MCFG SSDT SSDT SSDT
acpi0: wakeup devices P0P2(S4) EC__(S4) HDEF(S4) ARPT(S4) RP02(S4) EHC1(S3) 
EHC2(S3) ADP1(S4) LID0(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz, 1600.28 MHz
cpu0: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC
cpu0: 256KB 64b/line 8-way L2 cache
cpu0: apic clock running at 100MHz
cpu0: mwait min=40, max=40, C-substates=0.2.1.1.2, IBE (40)
cpu1 at mainbus0: apid 2 (application processor)
cpu1: Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz, 1600.01 MHz
cpu1: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC
cpu1: 256KB 64b/line 8-way L2 cache
cpu2 at mainbus0: apid 1 (application processor)
cpu2: Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz, 1600.01 MHz
cpu2: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC
cpu2: 256KB 64b/line 8-way L2 cache
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz, 1600.01 MHz
cpu3: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC
cpu3: 256KB 64b/line 8-way L2 cache
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
ioapic0: misconfigured as apic 0, remapped to apid 2
acpiec0 at acpi0
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-151
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus 3 (P0P2)
acpiprt2 at acpi0: bus 2 (RP02)
acpicpu0 at acpi0: C3, C2, C1, PSS
acpicpu1 at acpi0: C3, C2, C1, PSS
acpicpu2 at acpi0: C3, C2, C1, PSS
acpicpu3 at acpi0: C3, C2, C1, PSS
acpibat0 at acpi0: BAT0 model "3545797981023400290" type 3545797981528607052 
oem "3545797981528673619"
acpiac0 at acpi0: AC unit offline
acpibtn0 at acpi0: LID0
acpibtn1 at acpi0: PWRB
acpibtn2 at acpi0: SLPB
acpivideo0 at acpi0: IGPU
acpivout0 at acpivideo0: DD02
cpu0: Enhanced SpeedStep 1600 MHz: speeds: 1601, 1600, 1500, 1400, 1300, 1200, 
1100, 1000, 900, 800 MHz
memory map conflict 0xe00f8000/0x1000
memory map conflict 0xfed1c000/0x4000
memory map conflict 0xffed0000/0x30000
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09
ppb0 at pci0 dev 1 function 0 "Intel Core 2G PCIE" rev 0x09: msi
pci1 at ppb0 bus 3
ppb1 at pci1 dev 0 function 0 vendor "Intel", unknown product 0x151a rev 0x01
pci2 at ppb1 bus 4
ppb2 at pci2 dev 0 function 0 vendor "Intel", unknown product 0x151a rev 0x01
pci3 at ppb2 bus 5
vendor "Intel", unknown product 0x151a (class system subclass miscellaneous, 
rev 0x01) at pci3 dev 0 function 0 not configured
ppb3 at pci2 dev 3 function 0 vendor "Intel", unknown product 0x151a rev 0x01
pci4 at ppb3 bus 6
ppb4 at pci2 dev 4 function 0 vendor "Intel", unknown product 0x151a rev 0x01
pci5 at ppb4 bus 55
vga1 at pci0 dev 2 function 0 "Intel HD Graphics 3000" rev 0x09
intagp0 at vga1
agp0 at intagp0: aperture at 0x90000000, size 0x10000000
inteldrm0 at vga1
drm0 at inteldrm0
inteldrm0: 1366x768
wsdisplay0 at vga1 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
uhci0 at pci0 dev 26 function 0 vendor "Intel", unknown product 0x1c2c rev 
0x05: apic 2 int 21
ehci0 at pci0 dev 26 function 7 "Intel 6 Series USB" rev 0x05: apic 2 int 23
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
azalia0 at pci0 dev 27 function 0 "Intel 6 Series HD Audio" rev 0x05: msi
azalia0: codecs: Cirrus Logic CS4206, Intel/0x2805, using Cirrus Logic CS4206
audio0 at azalia0
ppb5 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb5: msi
pci6 at ppb5 bus 1
ppb6 at pci0 dev 28 function 1 "Intel 6 Series PCIE" rev 0xb5: msi
pci7 at ppb6 bus 2
"Broadcom BCM43224" rev 0x01 at pci7 dev 0 function 0 not configured
uhci1 at pci0 dev 29 function 0 vendor "Intel", unknown product 0x1c27 rev 
0x05: apic 2 int 19
ehci1 at pci0 dev 29 function 7 "Intel 6 Series USB" rev 0x05: apic 2 int 22
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1
pcib0 at pci0 dev 31 function 0 "Intel QS67 LPC" rev 0x05
ahci0 at pci0 dev 31 function 2 "Intel 6 Series SATA" rev 0x05: msi, AHCI 1.3
scsibus0 at ahci0: 32 targets
sd0 at scsibus0 targ 0 lun 0: <ATA, APPLE SSD SM256C, AXM0> SCSI3 0/direct 
fixed naa.50000f0000000000
sd0: 239372MB, 512 bytes/sector, 490234752 sectors, thin
ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x05: apic 2 int 18
iic0 at ichiic0
iic0: addr 0x2c 03=fc 05=6d 06=40 71=06 72=80 86=6f 90=37 91=26 92=34 93=39 
94=5a 95=5c 96=6e 97=85 98=3b 99=1b 9a=9d 9f=7c a0=7f a1=b5 a2=bf a3=7b a4=28 
a5=cf a6=64 a7=2d words 00=0000 01=0000 02=00fc 03=fc00 04=006d 05=6d60 06=6000 
07=0000
usb2 at uhci0: USB revision 1.0
uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb3 at uhci1: USB revision 1.0
uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
isa0 at pcib0
isadma0 at isa0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
nvram: invalid checksum
mtrr: Pentium Pro MTRR support
uhub4 at uhub0 port 1 "Standard Microsystems product 0x2513" rev 2.00/b.b3 addr 
2
uhub5 at uhub4 port 1 "Apple Inc. BRCM20702 Hub" rev 2.00/1.00 addr 3
uhidev0 at uhub5 port 1 configuration 1 interface 0 "Apple Computer product 
0x820a" rev 2.00/1.00 addr 4
uhidev0: iclass 3/1, 1 report id
ukbd0 at uhidev0 reportid 1: 8 variable keys, 6 key codes
wskbd0 at ukbd0: console keyboard, using wsdisplay0
uhidev1 at uhub5 port 2 configuration 1 interface 0 "Apple Computer product 
0x820b" rev 2.00/1.00 addr 5
uhidev1: iclass 3/1, 2 report ids
ums0 at uhidev1 reportid 2: 3 buttons
wsmouse0 at ums0 mux 0
ugen0 at uhub5 port 3 "Apple Inc. Bluetooth USB Host Controller" rev 2.00/1.00 
addr 6
uhidev2 at uhub4 port 2 configuration 1 interface 0 "Apple Inc. Apple Internal 
Keyboard / Trackpad" rev 2.00/2.09 addr 7
uhidev2: iclass 3/1, 9 report ids
ukbd1 at uhidev2 reportid 1: 8 variable keys, 6 key codes, country code 33
wskbd1 at ukbd1 mux 1
wskbd1: connecting to wsdisplay0
uhid0 at uhidev2 reportid 9: input=0, output=0, feature=3
uhidev3 at uhub4 port 2 configuration 1 interface 1 "Apple Inc. Apple Internal 
Keyboard / Trackpad" rev 2.00/2.09 addr 7
uhidev3: iclass 3/0, 68 report ids
uhid1 at uhidev3 reportid 68: input=511, output=0, feature=0
uhidev4 at uhub4 port 2 configuration 1 interface 2 "Apple Inc. Apple Internal 
Keyboard / Trackpad" rev 2.00/2.09 addr 7
uhidev4: iclass 3/1, 2 report ids
ums1 at uhidev4 reportid 2: 3 buttons
wsmouse1 at ums1 mux 0
urtwn0 at uhub4 port 3 "Realtek Wireless N USB Adapter" rev 2.00/2.00 addr 8
urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 00:21:2f:38:d4:14
uvideo0 at uhub0 port 2 configuration 1 interface 0 "Apple Inc. FaceTime Camera 
(Built-in)" rev 2.00/6.46 addr 9
video0 at uvideo0
ugen1 at uhub0 port 2 configuration 1 "Apple Inc. FaceTime Camera (Built-in)" 
rev 2.00/6.46 addr 9
uhub6 at uhub1 port 1 "Standard Microsystems product 0x2513" rev 2.00/b.b3 addr 
2
vscsi0 at root
scsibus1 at vscsi0: 256 targets
softraid0 at root
scsibus2 at softraid0: 256 targets
sd1 at scsibus2 targ 1 lun 0: <OPENBSD, SR CRYPTO, 005> SCSI2 0/direct fixed
sd1: 28608MB, 512 bytes/sector, 58590704 sectors
softraid0: volume sd1 is roaming, it used to be sd0, updating metadata
softraid0: roaming device wd0a -> sd0a
root on sd1a (76fa2b51efc5cb1c.a) swap on sd1b dump on sd1b
clock: unknown CMOS layout

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