1 files changed, 137 insertions, 0 deletions
diff --git a/hald/linux/addons/addon-pmu.c b/hald/linux/addons/addon-pmu.c
new file mode 100644
index 00000000..68b59fe9
--- /dev/null
+++ b/hald/linux/addons/addon-pmu.c
@@ -0,0 +1,137 @@
+/***************************************************************************
+ * CVSID: $Id$
+ *
+ * addon-pmu-lid.c : Poll the lid button for PMU on Apple computers
+ *
+ * Copyright (C) 2005 David Zeuthen, <david@fubar.dk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ **************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <errno.h>
+#include <fcntl.h>
+#include <linux/adb.h>
+#include <linux/pmu.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "libhal/libhal.h"
+
+#include "../../logger.h"
+#include "../../util_helper.h"
+
+int
+main (int argc, char *argv[])
+{
+	int fd;
+	char *udi;
+	LibHalContext *ctx = NULL;
+	DBusError error;
+	int rd;
+	char buf[256];
+	int state;
+	int new_state;
+	char *strstate;
+
+	fd = -1;
+
+	setup_logger ();
+
+	udi = getenv ("UDI");
+	if (udi == NULL)
+		goto out;
+
+	dbus_error_init (&error);
+
+	if ((ctx = libhal_ctx_init_direct (&error)) == NULL)
+		goto out;
+
+	/* initial state */
+	if ((strstate = getenv ("HAL_PROP_BUTTON_STATE_VALUE")) == NULL) {
+		HAL_ERROR (("Cannot get HAL_PROP_BUTTON_STATE_VALUE"));
+		goto out;
+	}
+	if (strcmp (strstate, "true") == 0)
+		state = TRUE;
+	else
+		state = FALSE;
+
+	if ((fd = open ("/dev/adb", O_RDWR)) < 0) {
+                HAL_ERROR (("Cannot open /dev/adb"));
+                goto out;
+	}
+
+        drop_privileges (0);
+
+	while (1) {
+		int n;
+
+		buf[0] = PMU_PACKET;
+		buf[1] = PMU_GET_COVER;
+
+		n = write (fd, buf, 2);
+		if (n == 2) {
+			rd = read (fd, buf, sizeof (buf));
+			if (rd <= 0) {
+				HAL_ERROR (("Error reading from fd; read returned %d; err=%s", errno, strerror (errno)));
+				goto out;
+			}
+
+#if 0
+			int i;
+			
+			HAL_DEBUG (("Read 0x%02x bytes", rd));				
+			for (i = 0; i < rd; i++) {
+				dbg ("%02x : 0x%02x", i, buf[i]);
+			}
+#endif
+
+			if (rd >= 2) {
+				new_state = (((buf[1]) & 0x01) != 0);
+
+				if (new_state != state) {
+					HAL_DEBUG (("lid state change: %d", new_state));
+					dbus_error_init (&error);
+					libhal_device_set_property_bool (
+						ctx, udi, "button.state.value", new_state, &error);
+					dbus_error_init (&error);
+					libhal_device_emit_condition (ctx, udi, "ButtonPressed", "", &error);
+				}
+
+				state = new_state;
+			}
+
+			
+		}
+		usleep (1000 * 1000);
+	}
+
+
+
+
+out:
+	if (fd >= 0)
+		close (fd);
+
+	return 0;
+}