Module Name: src
Committed By: cegger
Date: Mon Nov 23 14:42:39 UTC 2009
Modified Files:
src/sys/dev/acpi: acpi_tz.c
Log Message:
evaluate _RTV as preparation for passive cooling.
To generate a diff of this commit:
cvs rdiff -u -r1.47 -r1.48 src/sys/dev/acpi/acpi_tz.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/acpi/acpi_tz.c
diff -u src/sys/dev/acpi/acpi_tz.c:1.47 src/sys/dev/acpi/acpi_tz.c:1.48
--- src/sys/dev/acpi/acpi_tz.c:1.47 Wed Sep 16 10:47:54 2009
+++ src/sys/dev/acpi/acpi_tz.c Mon Nov 23 14:42:39 2009
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_tz.c,v 1.47 2009/09/16 10:47:54 mlelstv Exp $ */
+/* $NetBSD: acpi_tz.c,v 1.48 2009/11/23 14:42:39 cegger Exp $ */
/*
* Copyright (c) 2003 Jared D. McNeill <jmcne...@invisible.ca>
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_tz.c,v 1.47 2009/09/16 10:47:54 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_tz.c,v 1.48 2009/11/23 14:42:39 cegger Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -93,6 +93,8 @@
UINT32 hot;
/* Package of references to processor objects for passive cooling */
ACPI_BUFFER psl;
+ /* Conveys if temperatures are absolute or relative values. */
+ UINT32 rtv;
/* Passive cooling temperature threshold */
UINT32 psv;
/* Thermal constants for use in passive cooling formulas */
@@ -481,6 +483,13 @@
acpitz_get_integer(dv, "_TC1", &sc->sc_zone.tc1);
acpitz_get_integer(dv, "_TC2", &sc->sc_zone.tc2);
+ /* ACPI spec: If _RTV is not present or present and zero,
+ * values are absolute. */
+ acpitz_get_integer(dv, "_RTV", &sc->sc_zone.rtv);
+ if (sc->sc_zone.rtv == ATZ_TMP_INVALID)
+ sc->sc_zone.rtv = 0;
+
+
acpitz_sane_temp(&sc->sc_zone.tmp);
acpitz_sane_temp(&sc->sc_zone.crt);
acpitz_sane_temp(&sc->sc_zone.hot);
