X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Finclude%2Flinux%2Fmfd%2Fcros_ec.h;fp=kernel%2Finclude%2Flinux%2Fmfd%2Fcros_ec.h;h=3ab3cede28eac4729e345bf3868ed4de5bb727c1;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=494682ce4bf38b2c308dae7ad4e0bf1cab600495;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/include/linux/mfd/cros_ec.h b/kernel/include/linux/mfd/cros_ec.h
index 494682ce4..3ab3cede2 100644
--- a/kernel/include/linux/mfd/cros_ec.h
+++ b/kernel/include/linux/mfd/cros_ec.h
@@ -223,6 +223,21 @@ int cros_ec_check_result(struct cros_ec_device *ec_dev,
 int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev,
 		     struct cros_ec_command *msg);
 
+/**
+ * cros_ec_cmd_xfer_status - Send a command to the ChromeOS EC
+ *
+ * This function is identical to cros_ec_cmd_xfer, except it returns success
+ * status only if both the command was transmitted successfully and the EC
+ * replied with success status. It's not necessary to check msg->result when
+ * using this function.
+ *
+ * @ec_dev: EC device
+ * @msg: Message to write
+ * @return: Num. of bytes transferred on success, <0 on failure
+ */
+int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev,
+			    struct cros_ec_command *msg);
+
 /**
  * cros_ec_remove - Remove a ChromeOS EC
  *