diff options
Diffstat (limited to 'drivers/staging/greybus/control.c')
| -rw-r--r-- | drivers/staging/greybus/control.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/staging/greybus/control.c b/drivers/staging/greybus/control.c index 3077940..0e50fd4 100644 --- a/drivers/staging/greybus/control.c +++ b/drivers/staging/greybus/control.c @@ -54,6 +54,54 @@ int gb_control_get_version(struct gb_control *control) return 0; } +static int gb_control_get_bundle_version(struct gb_control *control, + struct gb_bundle *bundle) +{ + struct gb_interface *intf = control->connection->intf; + struct gb_control_bundle_version_request request; + struct gb_control_bundle_version_response response; + int ret; + + request.bundle_id = bundle->id; + + ret = gb_operation_sync(control->connection, + GB_CONTROL_TYPE_BUNDLE_VERSION, + &request, sizeof(request), + &response, sizeof(response)); + if (ret) { + dev_err(&intf->dev, + "failed to get bundle %u class version: %d\n", + bundle->id, ret); + return ret; + } + + bundle->class_major = response.major; + bundle->class_minor = response.minor; + + dev_dbg(&intf->dev, "%s - %u: %u.%u\n", __func__, bundle->id, + response.major, response.minor); + + return 0; +} + +int gb_control_get_bundle_versions(struct gb_control *control) +{ + struct gb_interface *intf = control->connection->intf; + struct gb_bundle *bundle; + int ret; + + if (!control->has_bundle_version) + return 0; + + list_for_each_entry(bundle, &intf->bundles, links) { + ret = gb_control_get_bundle_version(control, bundle); + if (ret) + return ret; + } + + return 0; +} + /* Get Manifest's size from the interface */ int gb_control_get_manifest_size_operation(struct gb_interface *intf) { @@ -170,6 +218,9 @@ int gb_control_enable(struct gb_control *control) if (ret) goto err_disable_connection; + if (control->protocol_major > 0 || control->protocol_minor > 1) + control->has_bundle_version = true; + return 0; err_disable_connection: |
