diff options
| -rw-r--r-- | common/usb_pd_protocol.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/common/usb_pd_protocol.c b/common/usb_pd_protocol.c index 00f072e253..c42ed176a2 100644 --- a/common/usb_pd_protocol.c +++ b/common/usb_pd_protocol.c @@ -60,6 +60,9 @@ enum { /* Protocol revision */ #define PD_REV10 0 +/* BMC-supported bit : we are using the baseband variant of the protocol */ +#define PD_BMC_SUPPORTED (1 << 15) + /* Port role */ #define PD_ROLE_SINK 0 #define PD_ROLE_SOURCE 1 @@ -67,7 +70,8 @@ enum { /* build message header */ #define PD_HEADER(type, role, id, cnt) \ ((type) | (PD_REV10 << 6) | \ - ((role) << 8) | ((id) << 9) | ((cnt) << 12)) + ((role) << 8) | ((id) << 9) | ((cnt) << 12) | \ + PD_BMC_SUPPORTED) #define PD_HEADER_CNT(header) (((header) >> 12) & 7) #define PD_HEADER_TYPE(header) ((header) & 0xF) |