[src/trunk]: src/sys/dev/acpi handle unknown values. Also BIF_UNIT is an enum...

[mlelstv <mlelstv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c42c42916afc
branches:  trunk
changeset: 335269:c42c42916afc
user:      mlelstv <mlelstv%NetBSD.org@localhost>
date:      Wed Dec 31 22:01:01 2014 +0000

description:
handle unknown values. Also BIF_UNIT is an enum, not a bitmask.

diffstat:

 sys/dev/acpi/acpi_bat.c |  22 +++++++++++++++-------
 1 files changed, 15 insertions(+), 7 deletions(-)

diffs (61 lines):

diff -r 57f142bd976d -r c42c42916afc sys/dev/acpi/acpi_bat.c
--- a/sys/dev/acpi/acpi_bat.c   Wed Dec 31 21:21:41 2014 +0000
+++ b/sys/dev/acpi/acpi_bat.c   Wed Dec 31 22:01:01 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: acpi_bat.c,v 1.113 2014/10/02 12:42:12 riastradh Exp $ */
+/*     $NetBSD: acpi_bat.c,v 1.114 2014/12/31 22:01:01 mlelstv Exp $   */
 
 /*-
  * Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -75,7 +75,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_bat.c,v 1.113 2014/10/02 12:42:12 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_bat.c,v 1.114 2014/12/31 22:01:01 mlelstv Exp $");
 
 #include <sys/param.h>
 #include <sys/condvar.h>
@@ -381,18 +381,22 @@
                        goto out;
                }
 
-               if (elm[i].Integer.Value >= INT_MAX) {
+               if (elm[i].Integer.Value != ACPIBAT_VAL_UNKNOWN &&
+                   elm[i].Integer.Value >= INT_MAX) {
                        rv = AE_LIMIT;
                        goto out;
                }
        }
 
-       if ((elm[ACPIBAT_BIF_UNIT].Integer.Value & ACPIBAT_PWRUNIT_MA) != 0) {
+       switch (elm[ACPIBAT_BIF_UNIT].Integer.Value) {
+       case ACPIBAT_PWRUNIT_MA:
                capunit = ENVSYS_SAMPHOUR;
                rateunit = ENVSYS_SAMPS;
-       } else {
+               break;
+       default:
                capunit = ENVSYS_SWATTHOUR;
                rateunit = ENVSYS_SWATTS;
+               break;
        }
 
        sc->sc_sensor[ACPIBAT_DCAPACITY].units = capunit;
@@ -500,10 +504,14 @@
         * Granularity 2.       "Battery capacity granularity between warning
         *                       and full in [mAh] or [mWh]. [...]"
         */
-       if ((elm[ACPIBAT_BIF_UNIT].Integer.Value & ACPIBAT_PWRUNIT_MA) != 0)
+       switch (elm[ACPIBAT_BIF_UNIT].Integer.Value) {
+       case ACPIBAT_PWRUNIT_MA:
                unit = "Ah";
-       else
+               break;
+       default:
                unit = "Wh";
+               break;
+       }
 
        aprint_verbose_dev(dv, "granularity: "
            "low->warn %d.%03d %s, warn->full %d.%03d %s\n",