Commit 5821bf2d authored by Diogo Ivo's avatar Diogo Ivo Committed by Greg Kroah-Hartman
Browse files

usb: typec: ucsi: Enable UCSI v2.0 notifications 



UCSI version 2.0 and above define new PPM notifications. Update the
logic to determine which notifications to enable taking into account
these changes.

Signed-off-by: default avatarDiogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240524105837.15342-3-diogo.ivo@tecnico.ulisboa.pt


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4207df37

drivers/usb/typec/ucsi/ucsi.c

+18 −1
Original line number Diff line number Diff line
@@ -1672,7 +1672,7 @@ static int ucsi_register_port(struct ucsi *ucsi, struct ucsi_connector *con) 


static u64 ucsi_get_supported_notifications(struct ucsi *ucsi)

{

	u8 features = ucsi->cap.features;

	u16 features = ucsi->cap.features;

	u64 ntfy = UCSI_ENABLE_NTFY_ALL;



	if (!(features & UCSI_CAP_ALT_MODE_DETAILS))
@@ -1688,6 +1688,23 @@ static u64 ucsi_get_supported_notifications(struct ucsi *ucsi) 
	if (!(features & UCSI_CAP_PD_RESET))

		ntfy &= ~UCSI_ENABLE_NTFY_PD_RESET_COMPLETE;



	if (ucsi->version <= UCSI_VERSION_1_2)

		return ntfy;



	ntfy |= UCSI_ENABLE_NTFY_SINK_PATH_STS_CHANGE;



	if (features & UCSI_CAP_GET_ATTENTION_VDO)

		ntfy |= UCSI_ENABLE_NTFY_ATTENTION;



	if (features & UCSI_CAP_FW_UPDATE_REQUEST)

		ntfy |= UCSI_ENABLE_NTFY_LPM_FW_UPDATE_REQ;



	if (features & UCSI_CAP_SECURITY_REQUEST)

		ntfy |= UCSI_ENABLE_NTFY_SECURITY_REQ_PARTNER;



	if (features & UCSI_CAP_SET_RETIMER_MODE)

		ntfy |= UCSI_ENABLE_NTFY_SET_RETIMER_MODE;



	return ntfy;

}