Comment 75 for bug 580183

@Milos (#69): Try updating your BIOS to the latest version available from ASUS. IIRC, on this netbook, WiFi toggling via Fn+F2 is now handled in the BIOS, that's why recent kernels ignore it. This might not be relevant to the audio jack/internal mic issue, but I'm reporting here my BIOS version as well, just in case.

@Nevyn (#64): The Subsystem line shows a 8437 indeed. Here's all the info:

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Model number:
ASUS 1001PX-BLK033S
MB REV 1001PX 12
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BIOS info (pressing F2 on boot):
BIOS Revision 1102
EC Firmware Version EPCD-044
"Boot Booster" option is: disabled
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kernel version:
2.6.35-24-generic
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alsa-base version:
1.0.23+dfsg-1ubuntu4
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pulseaudio version:
not installed
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lspci -vv:
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 02)
 Subsystem: ASUSTeK Computer Inc. Device 8437
 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
 Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
 Latency: 0, Cache Line Size: 32 bytes
 Interrupt: pin A routed to IRQ 44
 Region 0: Memory at f7cf8000 (64-bit, non-prefetchable) [size=16K]
 Capabilities: <access denied>
 Kernel driver in use: HDA Intel
 Kernel modules: snd-hda-intel
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Workarounds:
-Suspending to RAM and resuming makes the internal microphone work, but external microphones never worked (they behave like an external speaker)