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authorMitsuru IWASAKI <iwasaki@FreeBSD.org>2002-10-24 10:56:33 +0000
committerMitsuru IWASAKI <iwasaki@FreeBSD.org>2002-10-24 10:56:33 +0000
commit4690674e12122c930b1134eeb06e11696d463bc7 (patch)
treecafc66d7186172650553777a363d39e3904da32a
parent56e77afa59ee3c7d7df90edd28b16d09a289cd92 (diff)
Notes
-rw-r--r--sys/dev/acpica/acpi_ec.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/acpica/acpi_ec.c b/sys/dev/acpica/acpi_ec.c
index 96da6d351d46..f41cebff69e9 100644
--- a/sys/dev/acpica/acpi_ec.c
+++ b/sys/dev/acpica/acpi_ec.c
@@ -244,6 +244,9 @@ struct acpi_ec_softc {
int ec_csrvalue;
};
+static int acpi_ec_event_driven = 0;
+TUNABLE_INT("hw.acpi.ec.event_driven", &acpi_ec_event_driven);
+
#define EC_LOCK_TIMEOUT 1000 /* 1ms */
static __inline ACPI_STATUS
@@ -618,7 +621,7 @@ EcWaitEventIntr(struct acpi_ec_softc *sc, EC_EVENT Event)
ACPI_FUNCTION_TRACE_U32((char *)(uintptr_t)__func__, (UINT32)Event);
/* XXX this should test whether interrupts are available some other way */
- if(cold)
+ if (cold || acpi_ec_event_driven)
return_ACPI_STATUS(EcWaitEvent(sc, Event));
if (!EcIsLocked(sc))