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If a beep was enabled, turn it off 3 seconds after resume.

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MFC after:	3 days
This commit is contained in:
Nate Lawson 2006-08-08 01:30:54 +00:00
parent 400e3077d8
commit ad3d78ead0
1 changed files with 11 additions and 0 deletions

11
sys/i386/acpica/acpi_wakeup.c

@ -180,6 +180,13 @@ acpi_printcpu(void)
bcopy(&(val), addr, sizeof(type)); \
} while (0)
/* Turn off bits 1&2 of the PIT, stopping the beep. */
static void
acpi_stop_beep(void *arg)
{
outb(0x61, inb(0x61) & ~0x3);
}
int
acpi_sleep_machdep(struct acpi_softc *sc, int state)
{
@ -280,6 +287,10 @@ out:
load_cr3(cr3);
write_eflags(ef);
/* If we beeped, turn it off after a delay. */
if (acpi_resume_beep)
timeout(acpi_stop_beep, NULL, 3 * hz);
return (ret);
}