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greybus: control: implement mode-switch operation

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Implement the unidirectional mode-switch operation.

This operation will be used in the implementation of the new generic
mode-switch functionality.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Johan Hovold 2016-04-29 17:08:34 +02:00 committed by Greg Kroah-Hartman
parent 5fdc027d54
commit 1c3aead12e
3 changed files with 9 additions and 0 deletions
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7
drivers/staging/greybus/control.c
View file

@ -149,6 +149,13 @@ int gb_control_disconnected_operation(struct gb_control *control, u16 cport_id)
sizeof(request), NULL, 0);
}
int gb_control_mode_switch_operation(struct gb_control *control)
{
return gb_operation_unidirectional(control->connection,
GB_CONTROL_TYPE_MODE_SWITCH,
NULL, 0);
}
int gb_control_get_interface_version_operation(struct gb_interface *intf)
{
struct gb_control_interface_version_response response;

1
drivers/staging/greybus/control.h
View file

@ -36,6 +36,7 @@ void gb_control_put(struct gb_control *control);
int gb_control_get_bundle_versions(struct gb_control *control);
int gb_control_connected_operation(struct gb_control *control, u16 cport_id);
int gb_control_disconnected_operation(struct gb_control *control, u16 cport_id);
int gb_control_mode_switch_operation(struct gb_control *control);
int gb_control_get_manifest_size_operation(struct gb_interface *intf);
int gb_control_get_manifest_operation(struct gb_interface *intf, void *manifest,
size_t size);

1
drivers/staging/greybus/greybus_protocols.h
View file

@ -123,6 +123,7 @@ struct gb_protocol_version_response {
#define GB_CONTROL_TYPE_TIMESYNC_AUTHORITATIVE 0x09
#define GB_CONTROL_TYPE_INTERFACE_VERSION 0x0a
#define GB_CONTROL_TYPE_BUNDLE_VERSION 0x0b
#define GB_CONTROL_TYPE_MODE_SWITCH 0x0e
struct gb_control_version_request {
__u8 major;