[gnome-color-manager] huey: Discover the serial number for the huey

[Richard Hughes <rhughes src gnome org>]

commit 9d576e1402e8f8ca6d262cd51060f98fc5f14cca
Author: Richard Hughes <richard hughsie com>
Date:   Fri Jul 23 09:13:07 2010 +0100

    huey: Discover the serial number for the huey
    
    Thanks to Andrew Lutomirski for the debug dump

 docs/huey/huey-sensor-dump2.txt.gz |  Bin 0 -> 1072 bytes
 libcolor-glib/gcm-sensor-huey.c    |   11 +++++++++++
 2 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/docs/huey/huey-sensor-dump2.txt.gz b/docs/huey/huey-sensor-dump2.txt.gz
new file mode 100644
index 0000000..812183d
Binary files /dev/null and b/docs/huey/huey-sensor-dump2.txt.gz differ
diff --git a/libcolor-glib/gcm-sensor-huey.c b/libcolor-glib/gcm-sensor-huey.c
index e0feff2..eb24e0c 100644
--- a/libcolor-glib/gcm-sensor-huey.c
+++ b/libcolor-glib/gcm-sensor-huey.c
@@ -760,6 +760,8 @@ gcm_sensor_huey_startup (GcmSensor *sensor, GError **error)
 {
 	gboolean ret = FALSE;
 	guint i;
+	guint32 serial_number;
+	gchar *serial_number_tmp = NULL;
 	GcmSensorHuey *sensor_huey = GCM_SENSOR_HUEY (sensor);
 	GcmSensorHueyPrivate *priv = sensor_huey->priv;
 	const guint8 spin_leds[] = { 0x0, 0x1, 0x2, 0x4, 0x8, 0x4, 0x2, 0x1, 0x0, 0xff };
@@ -776,6 +778,14 @@ gcm_sensor_huey_startup (GcmSensor *sensor, GError **error)
 	if (!ret)
 		goto out;
 
+	/* get serial number */
+	ret = gcm_sensor_huey_read_register_word (sensor_huey, 0x00, &serial_number, error);
+	if (!ret)
+		goto out;
+	serial_number_tmp = g_strdup_printf ("%i", serial_number);
+	gcm_sensor_set_serial_number (sensor, serial_number_tmp);
+	egg_debug ("Serial number: %s", serial_number_tmp);
+
 	/* get unlock string */
 	ret = gcm_sensor_huey_read_register_string (sensor_huey, 0x7a, priv->unlock_string, 5, error);
 	if (!ret)
@@ -804,6 +814,7 @@ gcm_sensor_huey_startup (GcmSensor *sensor, GError **error)
 		g_usleep (50000);
 	}
 out:
+	g_free (serial_number_tmp);
 	return ret;
 }