Commit 25d6d1bf authored by Prashant Malani's avatar Prashant Malani Committed by Greg Kroah-Hartman
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usb: typec: altmodes/displayport: Update active state 



Update the altmode "active" state when we receive Acks for Enter and
Exit Mode commands. Having the right state is necessary to change Pin
Assignments using the 'pin_assignment" sysfs file.

Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: default avatarBenson Leung <bleung@chromium.org>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarPrashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20230120205827.740900-1-pmalani@chromium.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6f7fb48d

drivers/usb/typec/altmodes/displayport.c

+2 −0
Original line number Diff line number Diff line
@@ -277,9 +277,11 @@ static int dp_altmode_vdm(struct typec_altmode *alt, 
	case CMDT_RSP_ACK:

		switch (cmd) {

		case CMD_ENTER_MODE:

			typec_altmode_update_active(alt, true);

			dp->state = DP_STATE_UPDATE;

			break;

		case CMD_EXIT_MODE:

			typec_altmode_update_active(alt, false);

			dp->data.status = 0;

			dp->data.conf = 0;

			break;