| #!/bin/sh -e | |
| # | |
| # Copyright 2017 The Chromium OS Authors. All rights reserved. | |
| # Use of this source code is governed by a BSD-style license that can be | |
| # found in the LICENSE file. | |
| # | |
| # This will | |
| # 1. Read HDCP Key from VPD. | |
| # 2. Pass key to DP or HDMI driver. | |
| if [ $# -ne 1 ]; then | |
| echo "invalid device path" | |
| exit | |
| fi | |
| VPD_HDCP_KEY="hdcp_key_v1_4" | |
| HDCP_SYS_PATH="/sys/$1/hdcp_key" | |
| vpd_get_value "${VPD_HDCP_KEY}" > "${HDCP_SYS_PATH}" |