diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3cea17d..4d7dbd6 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1788,8 +1788,16 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start)
 	struct scsi_device *sdp = sdkp->device;
 	int res;
 
-	if (start)
+	if (start) {
 		cmd[4] |= 1;	/* START */
+		if(!strncmp(sdp->vendor, "WDC WD32", 8)) {
+			cmd[4] |= (1 << 4); /* power condition */
+		}
+	} else {
+		if(!strncmp(sdp->vendor, "WDC WD32", 8)) {
+			cmd[4] |= (2 << 4); /* power condition */
+		}
+	}
 
 	if (!scsi_device_online(sdp))
 		return -ENODEV;