I left the IRQ handler as is: releasing and requesting an IRQ
handler on every frame.
--- vanilla-2.5.36/sound/oss/dmasound/dmasound_q40.c Sat Aug 10
00:03:13 2002
+++ linux-2.5-cli-oss/sound/oss/dmasound/dmasound_q40.c Sat Sep 21
18:53:15 2002
@@ -459,28 +459,32 @@
*/
return;
}
- save_flags(flags); cli();
+ spin_lock_irqsave(&dmasound.lock, flags);
Q40PlayNextFrame(1);
- restore_flags(flags);
+ spin_unlock_irqrestore_flags(&dmasound.lock, flags);
}
static void Q40StereoInterrupt(int irq, void *dummy, struct pt_regs *fp)
{
+ spin_lock(&dmasound.lock);
if (q40_sc>1){
*DAC_LEFT=*q40_pp++;
*DAC_RIGHT=*q40_pp++;
q40_sc -=2;
master_outb(1,SAMPLE_CLEAR_REG);
}else Q40Interrupt();
+ spin_unlock(&dmasound.lock);
}
static void Q40MonoInterrupt(int irq, void *dummy, struct pt_regs *fp)
{
+ spin_lock(&dmasound.lock);
if (q40_sc>0){
*DAC_LEFT=*q40_pp;
*DAC_RIGHT=*q40_pp++;
q40_sc --;
master_outb(1,SAMPLE_CLEAR_REG);
}else Q40Interrupt();
+ spin_unlock(&dmasound.lock);
}
static void Q40Interrupt(void)
{
-
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This archive was generated by hypermail 2b29 : Mon Sep 23 2002 - 22:00:35 EST