Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

[linux.git] / include / media / cec-notifier.h

diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h
index 298f996969df632ba41b6c68f3d815678c89e079..a4f7429c4ae533a07d9c3efdeebb62892fcab2f6 100644 (file)
--- a/include/media/cec-notifier.h
+++ b/include/media/cec-notifier.h
@@ -57,6 +57,7 @@ void cec_notifier_put(struct cec_notifier *n);
  * @pa: the CEC physical address
  *
  * Set a new CEC physical address.
+ * Does nothing if @n == NULL.
  */
 void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa);
 
@@ -66,6 +67,7 @@ void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa);
  * @edid: the struct edid pointer
  *
  * Parses the EDID to obtain the new CEC physical address and set it.
+ * Does nothing if @n == NULL.
  */
 void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
                                          const struct edid *edid);
@@ -118,4 +120,17 @@ static inline void cec_notifier_unregister(struct cec_notifier *n)
 
 #endif
 
+/**
+ * cec_notifier_phys_addr_invalidate() - set the physical address to INVALID
+ *
+ * @n: the CEC notifier
+ *
+ * This is a simple helper function to invalidate the physical
+ * address. Does nothing if @n == NULL.
+ */
+static inline void cec_notifier_phys_addr_invalidate(struct cec_notifier *n)
+{
+       cec_notifier_set_phys_addr(n, CEC_PHYS_ADDR_INVALID);
+}
+
 #endif