openbsd: add up_native_has_sensor() and use it in is_laptop()

Signed-off-by: Richard Hughes <richard@hughsie.com>

2 files changed, 34 insertions, 0 deletions

diff --git a/src/openbsd/up-apm-native.h b/src/openbsd/up-apm-native.h
index 961bd33..c2c3698 100644
--- a/src/openbsd/up-apm-native.h
+++ b/src/openbsd/up-apm-native.h
@@ -44,6 +44,7 @@ typedef struct
 UpApmNative* up_apm_native_new (const char*);
 const gchar * up_apm_native_get_path(UpApmNative*);
 gboolean up_native_is_laptop();
+gboolean up_native_has_sensor(const char*);
 G_END_DECLS
 
 #endif
diff --git a/src/openbsd/up-native.c b/src/openbsd/up-native.c
index 031b01a..678d840 100644
--- a/src/openbsd/up-native.c
+++ b/src/openbsd/up-native.c
@@ -1,6 +1,10 @@
 #include "up-apm-native.h"
 #include "up-native.h"
 
+#include <sys/param.h>
+#include <sys/sensors.h>
+#include <sys/sysctl.h>
+#include <errno.h>
 /* XXX why does this macro needs to be in the .c ? */
 G_DEFINE_TYPE (UpApmNative, up_apm_native, G_TYPE_OBJECT)
 
@@ -53,6 +57,10 @@ up_native_is_laptop()
 {
 	int apm_fd;
 	struct apm_power_info bstate;
+
+	if (up_native_has_sensor("acpiac0"))
+		return TRUE;
+
 	if ((apm_fd = open("/dev/apm", O_RDONLY)) == -1) {
 		if (errno != ENXIO && errno != ENOENT)
 			g_error("cannot open device file");
@@ -62,3 +70,28 @@ up_native_is_laptop()
 	close(apm_fd);
 	return bstate.ac_state != APM_AC_UNKNOWN;
 }
+
+/**
+ * detect if a sensordev is present by its xname (acpibatX/acpiacX)
+ */
+gboolean
+up_native_has_sensor(const char * id)
+{
+	int devn;
+	struct sensordev snsrdev;
+	size_t sdlen = sizeof(snsrdev);
+	int mib[] = {CTL_HW, HW_SENSORS, 0, 0 ,0};
+
+	for (devn = 0 ; ; devn++) {
+		mib[2] = devn;
+		if (sysctl(mib, 3, &snsrdev, &sdlen, NULL, 0) == -1) {
+			if (errno == ENXIO)
+				continue;
+			if (errno == ENOENT)
+				break;
+		}
+		if (!strcmp(snsrdev.xname, id))
+			return TRUE;
+	}
+	return FALSE;
+}