diff options
Diffstat (limited to 'drivers/platform/chrome')
| -rw-r--r-- | drivers/platform/chrome/cros_ec_proto.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index b6b583b5868a..8d52b3b4bd4e 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -208,6 +208,12 @@ static int cros_ec_get_host_event_wake_mask(struct cros_ec_device *ec_dev, msg->insize = sizeof(*r); ret = send_command(ec_dev, msg); + if (ret >= 0) { + if (msg->result == EC_RES_INVALID_COMMAND) + return -EOPNOTSUPP; + if (msg->result != EC_RES_SUCCESS) + return -EPROTO; + } if (ret > 0) { r = (struct ec_response_host_event_mask *)msg->data; *mask = r->mask; @@ -488,6 +494,13 @@ int cros_ec_query_all(struct cros_ec_device *ec_dev) BIT(EC_HOST_EVENT_BATTERY_CRITICAL) | BIT(EC_HOST_EVENT_PD_MCU) | BIT(EC_HOST_EVENT_BATTERY_STATUS)); + /* + * Old ECs may not support this command. Complain about all + * other errors. + */ + if (ret != -EOPNOTSUPP) + dev_err(ec_dev->dev, + "failed to retrieve wake mask: %d\n", ret); } ret = 0; |