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SubjectRe: [PATCH][2.5] opl3 OSS emulation compile fixes
On Fri, May 10, 2002 at 03:18:15PM +0200, Zwane Mwaikambo wrote:
> On Fri, 10 May 2002, A Guy Called Tyketto wrote:
> > This is for OPL3 OSS emulation. With your patch applied to 2.5.15,
> > opl3_oss.c was not compiled at all, whether into the kernel, or as a module.
> > Also, your patch for include/sound/opl3.h did not need to be applied as the
> > #ifdef CONFIG_SND_OSSEMUL and #endif lines are already present sound the two
> > variables listed.
> For my amusement, could you try loading the opl3 module, i didn't get
> unresolved symbols when i did a depmod. From what i understand of this,
> opl3_oss should not have been compiled indeed unless CONFIG_SND_OSSEMUL
> was specified, although Kysela would know best.

No problem.. modprobe ran cleanly without any unresolved symbols.
however, with those programs needing OSS opl3 emulation (xmms, mpg123,
realplayer to name a few), this won't do much good less they forsake OSS
altogether. The 3 programs above (except xmms, which I believe works with
ALSA) depend on /dev/dsp existing for them to run. /dev/dsp gets created
(using DevFS here) when snd-pcm-oss.o is inserted at modprobe time. Hence, the

root@bellicha:~# modprobe snd-fm801
modprobe: Can't locate module snd-pcm-oss
/lib/modules/2.5.15/kernel/sound/pci/snd-fm801.o: post-install snd-fm801 failed
/lib/modules/2.5.15/kernel/sound/pci/snd-fm801.o: insmod snd-fm801 failed


# This is for the new ForteMedia 801 card now, using ALSA.
alias char-major-116 snd
# OSS/Free emulation
alias char-major-14 soundcore
alias snd-card-0 snd-fm801
alias sound-slot-0 snd-card-0
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
options snd snd_major=116 snd_cards_limit=1
post-install snd-fm801 modprobe "-k" "snd-pcm-oss"

For those to run, opl3_oss.c needs to be compiled, which leads back to
where we were before..

Brad Littlejohn | Email:
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