Added notify callback for A/C device

ok marco@

1 files changed, 25 insertions, 3 deletions

diff --git a/sys/dev/acpi/acpiac.c b/sys/dev/acpi/acpiac.c
index 48b4d5106ef..dff63b2301d 100644
--- a/sys/dev/acpi/acpiac.c
+++ b/sys/dev/acpi/acpiac.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: acpiac.c,v 1.5 2006/02/17 07:33:40 marco Exp $ */
+/* $OpenBSD: acpiac.c,v 1.6 2006/02/22 17:21:33 jordan Exp $ */
 /*
  * Copyright (c) 2005 Marco Peereboom <marco@openbsd.org>
  *
@@ -30,8 +30,9 @@
 
 #include <sys/sensors.h>
 
-int acpiac_match(struct device *, void *, void *);
+int  acpiac_match(struct device *, void *, void *);
 void acpiac_attach(struct device *, struct device *, void *);
+int  acpiac_notify(struct aml_node *, int, void *);
 
 struct acpiac_softc {
 	struct device		sc_dev;
@@ -82,6 +83,8 @@ acpiac_attach(struct device *parent, struct device *self, void *aux)
 	sc->sc_acpi = (struct acpi_softc *)parent;
 	sc->sc_devnode = aa->aaa_node->child;
 
+	aml_register_notify(sc->sc_devnode->parent, acpiac_notify, sc);
+
 	acpiac_getsta(sc); 
 
 	printf(": ");
@@ -129,7 +132,6 @@ acpiac_getsta(struct acpiac_softc *sc)
 	if (aml_eval_name(sc->sc_acpi, sc->sc_devnode, "_STA", &res, &env)) {
 		dnprintf(10, "%s: no _STA\n",
 		    DEVNAME(sc));
-		return (1);
 	}
 
 	if (aml_eval_name(sc->sc_acpi, sc->sc_devnode, "_PSR", &res, &env)) {
@@ -142,3 +144,23 @@ acpiac_getsta(struct acpiac_softc *sc)
 
 	return (0);
 }
+
+int
+acpiac_notify(struct aml_node *node, int notify_type, void *arg)
+{
+	struct acpiac_softc *sc = arg;
+	int oldstat;
+
+	dnprintf(10, "acpiac_notify: %.2x %s\n", notify_type,
+	    sc->sc_devnode->parent->name);
+
+	switch (notify_type) {
+	case 0x80:
+		oldstat = sc->sc_ac_stat;
+		acpiac_getsta(sc);
+		dnprintf(10, "A/C status: old:%d new:%d\n", oldstat,
+		    sc->sc_ac_stat);
+		break;
+	}
+	return (0);
+}