the little patch below (vs. 2.4.5-ac13) fixes a freeze which happens
when the maestro module was unloaded and a HWV button gets pushed
generating the interrupt. so this disables all irqs of that chip
on remove...
regards,
lukas
--- linux-2.4.5-ac13/drivers/sound/maestro.c Tue Jun 12 13:41:24 2001
+++ linux/drivers/sound/maestro.c Tue Jun 12 14:13:40 2001
@@ -3575,6 +3575,12 @@
struct ess_card *card = pci_get_drvdata(pcidev);
int i;
+ /* turn off all irqs; _especially_ the one for hardware volume
+ control (bit 6), which locks the machine dead when occurring after
+ the maestro module was removed.
+ */
+ outw(0x0, card->iobase+0x18);
+
/* XXX maybe should force stop bob, but should be all
stopped by _release by now */
free_irq(card->irq, card);
-
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