snd-hda-intel on fj amilo m3438g

[mase <inyourface@gmx.de>]

hi!
can you please help me?
i have a fujitsu siemens amilo m3438g notebook with a
realtek alc880 (windows says so) soundchip.
the sound output works fine, but none of the inputs,
neither built-in mic, nor external mic.
the notebook has 2 jacks:
1 for mic and 1 for headphones shared with spdif.
i have tested different models: auto, w810 F1734,uniwill, asus,
z71v, 3stack
i could test all models, but the others couldn't be, i think, but i
will.
the output of lspci -nv:

0000:00:00.0 0600: 8086:2590 (rev 04)
        Subsystem: 1734:107c
        Flags: bus master, fast devsel, latency 0
        Capabilities: <available only to root>

0000:00:01.0 0604: 8086:2591 (rev 04)
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
        Memory behind bridge: faa00000-feafffff
        Prefetchable memory behind bridge: bfe00000-dfefffff
        Capabilities: <available only to root>

0000:00:1b.0 0403: 8086:2668 (rev 04)
        Subsystem: 1734:107c
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at febf8000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <available only to root>

0000:00:1c.0 0604: 8086:2660 (rev 04)
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
        I/O behind bridge: 0000d000-0000dfff
        Memory behind bridge: bfc00000-bfcfffff
        Prefetchable memory behind bridge: 00000000bfd00000-00000000bfd00000
        Capabilities: <available only to root>

0000:00:1d.0 0c03: 8086:2658 (rev 04)
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 0, IRQ 19
        I/O ports at e480 [size=32]

0000:00:1d.1 0c03: 8086:2659 (rev 04)
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 0, IRQ 17
        I/O ports at e800 [size=32]

0000:00:1d.2 0c03: 8086:265a (rev 04)
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 0, IRQ 18
        I/O ports at e880 [size=32]

0000:00:1d.3 0c03: 8086:265b (rev 04)
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 0, IRQ 16
        I/O ports at ec00 [size=32]

0000:00:1d.7 0c03: 8086:265c (rev 04) (prog-if 20)
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 0, IRQ 19
        Memory at febffc00 (32-bit, non-prefetchable) [size=1K]
        Capabilities: <available only to root>

0000:00:1e.0 0604: 8086:2448 (rev d4) (prog-if 01)
        Flags: bus master, fast devsel, latency 0
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=32
        I/O behind bridge: 00001000-00001fff
        Memory behind bridge: fa900000-fa9fffff
        Prefetchable memory behind bridge: 0000000050000000-0000000050000000
        Capabilities: <available only to root>

0000:00:1f.0 0601: 8086:2641 (rev 04)
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 0

0000:00:1f.1 0101: 8086:266f (rev 04) (prog-if 8a [Master SecP PriP])
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 0, IRQ 18
        I/O ports at <unassigned>
        I/O ports at <unassigned>
        I/O ports at <unassigned>
        I/O ports at <unassigned>
        I/O ports at ffa0 [size=16]

0000:00:1f.3 0c05: 8086:266a (rev 04)
        Subsystem: 1734:107c
        Flags: medium devsel, IRQ 10
        I/O ports at 0400 [size=32]

0000:01:03.0 0280: 8086:4220 (rev 05)
        Subsystem: 8086:2702
        Flags: bus master, medium devsel, latency 64, IRQ 17
        Memory at fa9fe000 (32-bit, non-prefetchable) [size=4K]
        Capabilities: <available only to root>

0000:01:04.0 0c00: 104c:8023 (prog-if 10)
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 64, IRQ 18
        Memory at fa9ff000 (32-bit, non-prefetchable) [size=2K]
        Memory at fa9f8000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: <available only to root>

0000:01:05.0 0200: 10ec:8169 (rev 10)
        Subsystem: 1734:107c
        Flags: bus master, 66MHz, medium devsel, latency 64, IRQ 17
        I/O ports at c800 [size=256]
        Memory at fa9ffc00 (32-bit, non-prefetchable) [size=256]
        Expansion ROM at 50000000 [disabled] [size=128K]
        Capabilities: <available only to root>

0000:01:07.0 0104: 1106:3249 (rev 50)
        Subsystem: 1734:107c
        Flags: bus master, medium devsel, latency 64, IRQ 16
        I/O ports at 1420 [size=16]
        I/O ports at 1430 [size=16]
        I/O ports at 1440 [size=16]
        I/O ports at 1450 [size=16]
        I/O ports at 1400 [size=32]
        I/O ports at 1000 [size=256]
        Capabilities: <available only to root>

0000:03:00.0 0300: 10de:00c8 (rev a2)
        Subsystem: 1734:107c
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
        Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Memory at fc000000 (64-bit, non-prefetchable) [size=16M]
        Expansion ROM at feae0000 [disabled] [size=128K]
        Capabilities: <available only to root>


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