Re: [PATCH] opti931: additional check for OPL3 device

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On Fri, 14 Sep 2007 16:52:47 +0200
"Clemens Ladisch" <cladisch@xxxxxxxxxxxx> wrote:

> Krzysztof Helt wrote:
> > This patch adds additional check for OPL3 device. I found that PNP
> > region returned by the card is 0x380 - 0x38f but the OPL3 device is
> > located at 0x388 (standard FM device address).
> 
> On cards with an OPL4, it would use the entire range, where that last
> eight bytes are the OPL3-compatible registers.
> 

Ok. I haven't touched the size of the range or the range itself. I just added
a fallback to check range +8 (which is 0x388) after failure to find the OPL3
at the 0x380.

> 
> My card doesn't have PnP, but I guess the OPL4 detection wouldn't work
> on 92x either for the same reason.
> 
> 

Should the OPL4 detection has the same fallback or just all Opti cards
should search the FM chip at the range + 8 address?

Regards,
Krzysztof
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