svn commit: r193159 - head/sys/powerpc/powermac
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Sun May 31 10:02:20 UTC 2009
Author: nwhitehorn
Date: Sun May 31 10:02:20 2009
New Revision: 193159
URL: http://svn.freebsd.org/changeset/base/193159
Log:
Provide an analogous sysctl to hw.acpi.acline (dev.pmu.0.acline) to
determine whether the computer is plugged in to mains power.
Modified:
head/sys/powerpc/powermac/pmu.c
Modified: head/sys/powerpc/powermac/pmu.c
==============================================================================
--- head/sys/powerpc/powermac/pmu.c Sun May 31 09:22:26 2009 (r193158)
+++ head/sys/powerpc/powermac/pmu.c Sun May 31 10:02:20 2009 (r193159)
@@ -72,6 +72,7 @@ static void pmu_poll(device_t dev);
static void pmu_set_sleepled(void *xsc, int onoff);
static int pmu_server_mode(SYSCTL_HANDLER_ARGS);
+static int pmu_acline_state(SYSCTL_HANDLER_ARGS);
static int pmu_query_battery(struct pmu_softc *sc, int batt,
struct pmu_battstate *info);
static int pmu_battquery_sysctl(SYSCTL_HANDLER_ARGS);
@@ -393,6 +394,10 @@ pmu_attach(device_t dev)
struct sysctl_oid *oid, *battroot;
char battnum[2];
+ SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
+ "acline", CTLTYPE_INT | CTLFLAG_RD, sc, 0,
+ pmu_acline_state, "I", "AC Line Status");
+
battroot = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
"batteries", CTLFLAG_RD, 0, "Battery Information");
@@ -843,6 +848,27 @@ pmu_query_battery(struct pmu_softc *sc,
}
static int
+pmu_acline_state(SYSCTL_HANDLER_ARGS)
+{
+ struct pmu_softc *sc;
+ struct pmu_battstate batt;
+ int error, result;
+
+ sc = arg1;
+
+ /* The PMU treats the AC line status as a property of the battery */
+ error = pmu_query_battery(sc, 0, &batt);
+
+ if (error != 0)
+ return (error);
+
+ result = (batt.state & PMU_PWR_AC_PRESENT) ? 1 : 0;
+ error = sysctl_handle_int(oidp, &result, 0, req);
+
+ return (error);
+}
+
+static int
pmu_battquery_sysctl(SYSCTL_HANDLER_ARGS)
{
struct pmu_softc *sc;
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