Thunderbolt cable generation bits received as a part of Thunderbolt 3 cable discover mode VDO needs to be configured for Thunderbolt rounded and non-rounded cable support in the Thunderbolt alternate mode.
Signed-off-by: Utkarsh Patel <utkarsh.h.pa...@intel.com> --- drivers/usb/typec/mux/intel_pmc_mux.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c index d7f63b74c6b1..aa3211f1c4c3 100644 --- a/drivers/usb/typec/mux/intel_pmc_mux.c +++ b/drivers/usb/typec/mux/intel_pmc_mux.c @@ -256,6 +256,7 @@ static int pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state) { struct typec_thunderbolt_data *data = state->data; + u8 cable_rounded = TBT_CABLE_ROUNDED_SUPPORT(data->cable_mode); u8 cable_speed = TBT_CABLE_SPEED(data->cable_mode); struct altmode_req req = { }; @@ -284,6 +285,8 @@ pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state) req.mode_data |= PMC_USB_ALTMODE_CABLE_SPD(cable_speed); + req.mode_data |= PMC_USB_ALTMODE_TBT_GEN(cable_rounded); + return pmc_usb_command(port, (void *)&req, sizeof(req)); } -- 2.17.1