diff options
Diffstat (limited to 'kernel/include/linux/mfd/cros_ec.h')
| -rw-r--r-- | kernel/include/linux/mfd/cros_ec.h | 15 |
1 files changed, 15 insertions, 0 deletions
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 @@ -224,6 +224,21 @@ 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. |