Commit c4f81392 authored by Utkarsh Patel's avatar Utkarsh Patel Committed by Greg Kroah-Hartman
Browse files

usb: typec: intel_pmc_mux: Configure Thunderbolt cable generation bits 



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: default avatarUtkarsh Patel <utkarsh.h.patel@intel.com>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
--
Changes in v2:
- No change.
--
Link: https://lore.kernel.org/r/20201113202503.6559-4-utkarsh.h.patel@intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5384cffd

drivers/usb/typec/mux/intel_pmc_mux.c

+3 −0
Original line number Diff line number Diff line
@@ -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));

}