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Commit 409af606 authored by Linyu Yuan's avatar Linyu Yuan
Browse files

ucsi: ucsi_glink: notify partner information 



On QRD redriver will use this information to configuration.

Change-Id: Icf077136fbc4473e58e45ce55ca542f99233d506
Signed-off-by: default avatarLinyu Yuan <linyyuan@codeaurora.org>
parent 94d1501d

drivers/usb/typec/ucsi/ucsi_glink.c

+18 −1
Original line number Diff line number Diff line
@@ -363,7 +363,7 @@ static void ucsi_qti_notify_work(struct work_struct *work) 
static void ucsi_qti_notify(struct ucsi_dev *udev, unsigned int offset,

			    struct ucsi_connector_status *status)

{

	u8 conn_partner_type;

	u8 conn_partner_type, conn_partner_flag;

	bool cmd_requested;



	mutex_lock(&udev->notify_lock);
@@ -372,6 +372,10 @@ static void ucsi_qti_notify(struct ucsi_dev *udev, unsigned int offset, 


	if (cmd_requested && offset == UCSI_MESSAGE_IN) {

		cancel_work_sync(&udev->notify_work);



		udev->constat_info.partner_usb = false;

		udev->constat_info.partner_alternate_mode = false;



		conn_partner_type = UCSI_CONSTAT_PARTNER_TYPE(status->flags);



		switch (conn_partner_type) {
@@ -381,11 +385,24 @@ static void ucsi_qti_notify(struct ucsi_dev *udev, unsigned int offset, 
		case UCSI_CONSTAT_PARTNER_TYPE_DEBUG:

			udev->constat_info.acc = TYPEC_ACCESSORY_DEBUG;

			break;

		case UCSI_CONSTAT_PARTNER_TYPE_UFP:

		case UCSI_CONSTAT_PARTNER_TYPE_CABLE:

		case UCSI_CONSTAT_PARTNER_TYPE_CABLE_AND_UFP:

		case UCSI_CONSTAT_PARTNER_TYPE_DFP:

			udev->constat_info.partner_usb = true;

			/* fallthrough */

		default:

			udev->constat_info.acc = TYPEC_ACCESSORY_NONE;

			break;

		}



		conn_partner_flag = UCSI_CONSTAT_PARTNER_FLAGS(status->flags);

		if (conn_partner_flag & UCSI_CONSTAT_PARTNER_FLAG_USB)

			udev->constat_info.partner_usb = true;



		if (conn_partner_flag & UCSI_CONSTAT_PARTNER_FLAG_ALT_MODE)

			udev->constat_info.partner_alternate_mode = true;



		schedule_work(&udev->notify_work);

	}

}

include/linux/usb/ucsi_glink.h

+2 −0
Original line number Diff line number Diff line
@@ -11,6 +11,8 @@ 


struct ucsi_glink_constat_info {

	enum typec_accessory acc;

	bool partner_usb;

	bool partner_alternate_mode;

};



struct notifier_block;