[PATCH v8 17/35] mei: bus: whitelist hdcp client

[Ramalingam C]

From: Tomas Winkler <tomas.winkler at intel.com>

Whitelist HDCP client for in kernel drm use

v2:
  Rebased.
v3:
  No changes.
v4:
  No changes.
v5:
  No changes.
v6:
  No changes
v7:
  No changes

Signed-off-by: Tomas Winkler <tomas.winkler at intel.com>
---
 drivers/misc/mei/bus-fixup.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c
index a6f41f96f2a1..c307399f898c 100644
--- a/drivers/misc/mei/bus-fixup.c
+++ b/drivers/misc/mei/bus-fixup.c
@@ -41,6 +41,9 @@ static const uuid_le mei_nfc_info_guid = MEI_UUID_NFC_INFO;
 #define MEI_UUID_MKHIF_FIX UUID_LE(0x55213584, 0x9a29, 0x4916, \
 			0xba, 0xdf, 0xf, 0xb7, 0xed, 0x68, 0x2a, 0xeb)
 
+#define MEI_UUID_HDCP UUID_LE(0xB638AB7E, 0x94E2, 0x4EA2, \
+			      0xA5, 0x52, 0xD1, 0xC5, 0x4B, 0x62, 0x7F, 0x04)
+
 #define MEI_UUID_ANY NULL_UUID_LE
 
 /**
@@ -72,6 +75,18 @@ static void blacklist(struct mei_cl_device *cldev)
 	cldev->do_match = 0;
 }
 
+/**
+ * whitelist - forcefully whitelist client
+ *
+ * @cldev: me clients device
+ */
+static void whitelist(struct mei_cl_device *cldev)
+{
+	dev_dbg(&cldev->dev, "running hook %s\n", __func__);
+
+	cldev->do_match = 1;
+}
+
 #define OSTYPE_LINUX    2
 struct mei_os_ver {
 	__le16 build;
@@ -473,6 +488,7 @@ static struct mei_fixup {
 	MEI_FIXUP(MEI_UUID_NFC_HCI, mei_nfc),
 	MEI_FIXUP(MEI_UUID_WD, mei_wd),
 	MEI_FIXUP(MEI_UUID_MKHIF_FIX, mei_mkhi_fix),
+	MEI_FIXUP(MEI_UUID_HDCP, whitelist),
 };
 
 /**
-- 
2.7.4