diff options
Diffstat (limited to 'drivers/platform/chrome')
-rw-r--r-- | drivers/platform/chrome/cros_typec_vdm.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/platform/chrome/cros_typec_vdm.c b/drivers/platform/chrome/cros_typec_vdm.c index fc7b602ceb37..aca9d337118e 100644 --- a/drivers/platform/chrome/cros_typec_vdm.c +++ b/drivers/platform/chrome/cros_typec_vdm.c @@ -77,6 +77,30 @@ static int cros_typec_port_amode_enter(struct typec_altmode *amode, u32 *vdo) sizeof(req), NULL, 0); } +static int cros_typec_port_amode_vdm(struct typec_altmode *amode, const u32 hdr, + const u32 *vdo, int cnt) +{ + struct cros_typec_port *port = typec_altmode_get_drvdata(amode); + struct ec_params_typec_control req = { + .port = port->port_num, + .command = TYPEC_CONTROL_COMMAND_SEND_VDM_REQ, + }; + struct typec_vdm_req vdm_req = {}; + + vdm_req.vdm_data[0] = hdr; + vdm_req.vdm_data_objects = cnt; + memcpy(&vdm_req.vdm_data[1], vdo, cnt - 1); + vdm_req.partner_type = TYPEC_PARTNER_SOP; + req.vdm_req_params = vdm_req; + + dev_dbg(port->typec_data->dev, "Sending VDM, hdr: %x, num_objects: %d, port: %d\n", + hdr, cnt, port->port_num); + + return cros_ec_cmd(port->typec_data->ec, 0, EC_CMD_TYPEC_CONTROL, &req, + sizeof(req), NULL, 0); +} + struct typec_altmode_ops port_amode_ops = { .enter = cros_typec_port_amode_enter, + .vdm = cros_typec_port_amode_vdm, }; |