upon resume, notify all the acpiac and acpibat drivers to update

their status.  some laptops do not do this automatically.
ok kettenis canacar

diff --git a/sys/dev/acpi/acpi.c b/sys/dev/acpi/acpi.c
index a90f2f8..a14c2c0 100644 (file)
--- a/sys/dev/acpi/acpi.c
+++ b/sys/dev/acpi/acpi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: acpi.c,v 1.205 2010/08/06 21:12:27 marco Exp $ */
+/* $OpenBSD: acpi.c,v 1.206 2010/08/07 15:48:26 deraadt Exp $ */
 /*
  * Copyright (c) 2005 Thorsten Lockert <tholo@sigmasoft.com>
  * Copyright (c) 2005 Jordan Hargrave <jordan@openbsd.org>
@@ -2092,10 +2092,21 @@ acpi_thread(void *arg)
                }
 
                if (sc->sc_sleepmode) {
+                       struct acpi_ac *ac;
+                       struct acpi_bat *bat;
                        int sleepmode = sc->sc_sleepmode;
 
                        sc->sc_sleepmode = 0;
                        acpi_sleep_state(sc, sleepmode);
+
+                       /* AC and battery information needs refreshing */
+                       SLIST_FOREACH(ac, &sc->sc_ac, aac_link)
+                               aml_notify(ac->aac_softc->sc_devnode,
+                                   0x80);
+                       SLIST_FOREACH(bat, &sc->sc_bat, aba_link)
+                               aml_notify(bat->aba_softc->sc_devnode,
+                                   0x80);
+
                        continue;
                }
        }