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Diffstat (limited to 'common/usbc/dp_alt_mode.c')
-rw-r--r--common/usbc/dp_alt_mode.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/common/usbc/dp_alt_mode.c b/common/usbc/dp_alt_mode.c
index 8e22c23170..321fe1c884 100644
--- a/common/usbc/dp_alt_mode.c
+++ b/common/usbc/dp_alt_mode.c
@@ -123,6 +123,8 @@ void dp_vdm_acked(int port, enum tcpm_transmit_type type, int vdo_count,
case DP_START:
case DP_ENTER_RETRY:
dp_state[port] = DP_ENTER_ACKED;
+ /* Inform PE layer that alt mode is now active */
+ pd_set_dfp_enter_mode_flag(port, true);
break;
case DP_ENTER_ACKED:
/* DP status response & UFP's DP attention have same payload. */