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244b82e20e
Add new standard connector properties to track whether content protection (ex: hdcp) is desired by userspace. There are two properties involved, "Content Protection" and "Content Protection KSV". The "Content Protection" property allows userspace to request protection on a connector. Set "Desired" to enable, "Undesired" to disable. The "Content Protection KSV" property reflects the current state of protection. If the KSV is 0, the connection is not protected. Once the driver has enabled protection, it will update the the value with the KSV (or similarly unique identifier, if not using HDCP) of the first-hop device (sink or repeater). (am from https://patchwork.kernel.org/patch/5439871/) BUG=chrome-os-partner:56883 TEST=Tested on kevin, ensured the sysfs file showed up, and reflected the correct Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Yakir Yang <ykk@rock-chips.com> Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com> Reviewed-on: https://chromium-review.googlesource.com/403973 Reviewed-by: Sean Paul <seanpaul@google.com> Change-Id: I6bef13729f77de6e37d2da5e12fc69f810a2e286 Signed-off-by: Wyon Bi <bivvy.bi@rock-chips.com> |
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| linux | ||
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