/*
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
* Creative Labs, Inc.
* Routines for IRQ control of EMU10K1 chips
*
*
*/
-#include <sound/driver.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/emu10k1.h>
struct snd_emu10k1 *emu = dev_id;
unsigned int status, status2, orig_status, orig_status2;
int handled = 0;
+ int timeout = 0;
- while ((status = inl(emu->port + IPR)) != 0) {
- //snd_printk(KERN_INFO "emu10k1 irq - status = 0x%x\n", status);
+ while (((status = inl(emu->port + IPR)) != 0) && (timeout < 1000)) {
+ timeout++;
orig_status = status;
handled = 1;
if ((status & 0xffffffff) == 0xffffffff) {
}
outl(orig_status, emu->port + IPR); /* ack all */
}
+ if (timeout == 1000)
+ snd_printk(KERN_INFO "emu10k1 irq routine failure\n");
+
return IRQ_RETVAL(handled);
}