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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 12:58:59 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 12:58:59 -0300
commit0520a938e11c34a5ffc422b9316b85e294b0fbb2 (patch)
tree9e44592eccb90ed2d2b3a893fb602e4ca894f695 /include/linux/mfd
parent273d4428f8c4cc94c9598f8bcc006ec2e8c654ea (diff)
Linux-libre 4.7.3-gnupck-4.7.3-gnu
Diffstat (limited to 'include/linux/mfd')
-rw-r--r--include/linux/mfd/cros_ec.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h
index 64184d27e..d641a18ab 100644
--- a/include/linux/mfd/cros_ec.h
+++ b/include/linux/mfd/cros_ec.h
@@ -226,6 +226,21 @@ 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
*
* Call this to deregister a ChromeOS EC, then clean up any private data.