[Intel-gfx] [PATCH v2 06/42] misc/mei/hdcp: Verify mei client device status

Ramalingam C ramalingam.c at intel.com
Thu Mar 8 11:58:33 UTC 2018


Checks whether mei client device for hdcp2.2 is enabled?

v2:
  Rebased.

Signed-off-by: Ramalingam C <ramalingam.c at intel.com>
---
 drivers/misc/mei/hdcp/mei_hdcp.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c
index aa211763e520..25df7034cfb4 100644
--- a/drivers/misc/mei/hdcp/mei_hdcp.c
+++ b/drivers/misc/mei/hdcp/mei_hdcp.c
@@ -34,6 +34,18 @@
 
 struct mei_hdcp mei_hdcp;
 
+/**
+ * mei_cldev_active_and_enabled:
+ *	Return: true if me client for HDCP is initialized and connected
+ */
+static inline bool mei_cldev_active_and_enabled(struct mei_cl_device *cldev)
+{
+	if (!cldev)
+		return false;
+
+	return mei_cldev_enabled(cldev);
+}
+
 static int mei_hdcp_probe(struct mei_cl_device *cldev,
 			  const struct mei_cl_device_id *id)
 {
-- 
2.7.4



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