Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / drivers / platform / chrome / cros_ec_proto.c

diff --git a/kernel/drivers/platform/chrome/cros_ec_proto.c b/kernel/drivers/platform/chrome/cros_ec_proto.c
index 990308c..92430f7 100644 (file)
--- a/kernel/drivers/platform/chrome/cros_ec_proto.c
+++ b/kernel/drivers/platform/chrome/cros_ec_proto.c
@@ -380,3 +380,20 @@ int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
        return ret;
 }
 EXPORT_SYMBOL(cros_ec_cmd_xfer);
+
+int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
+                           struct cros_ec_command *msg)
+{
+       int ret;
+
+       ret = cros_ec_cmd_xfer(ec_dev, msg);
+       if (ret < 0) {
+               dev_err(ec_dev->dev, "Command xfer error (err:%d)\n", ret);
+       } else if (msg->result != EC_RES_SUCCESS) {
+               dev_dbg(ec_dev->dev, "Command result (err: %d)\n", msg->result);
+               return -EPROTO;
+       }
+
+       return ret;
+}
+EXPORT_SYMBOL(cros_ec_cmd_xfer_status);