ESS ES1869 integrated in notebook - PnP not working

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Hello,
I have DTK notebook with integrated ESS ES1869 sound. The problem is that PnP 
does not work with ALSA driver and I have to use isaspnp=0 parameter.
The card probably does not have its own EEPROM and its 3 IDs are inserted into 
system BIOS (as it's not found by ISA PNP but found by PNP BIOS). lspnp 
shows:
[...]
00:18 ESS0006 (unknown)
00:19 ESS001 (unknown)
00:1a ESS1869 (unknown)

I think that the problem is caused by es18xx.c which uses 
pnp_register_card_driver() and other pnp_card things which probably do not 
work when the PnP device does not look like ISA card but like 3 PnP devices.

-- 
Ondrej Zary

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