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SubjectRe: opl3 under 2.4.0-test10
Mark Hindley wrote:
> I am trying to setup my ALS 110 soundcard under my build of kernel
> 2.4.0-test10.
> I have built in isapnp support and also the sb and opl3 drivers.
> However, even though I pass opl3=0x388 on the Kernel command line all
> I get is an isapnp panic.

I'm experiencing what superficially appears to be a related problem
with an AWE64 card. I'm building the drivers non-modular (because
I've yet to find any description of how to configure modular sound
drivers for 2.4.0). I believe I'm making the appropriate configuration
settings - from my .config:


and I'm passing "opl3=0x388" to the driver. However, if I query
what synth devices the driver supports, it only reports an
AWE32-0.4.4 (RAM512k) sample device. I expect it report an FM synth
device, too. I get the same (lack of) effect if I go via the
adlib_card code, by saying "adlib=0x388". My investigations so
far have shown that when opl3_detect() first tries to get the
signature of the OPL3 device, it gets 0xff from the inb() (line
195 of drivers/sound/opl3.c in test11pre1), while the corresponding
code in 2.2.18pre19 gets 0x00.

Stephen Thomas
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