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-rw-r--r--include/media/cec-notifier.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h
index 298f996969df..a4f7429c4ae5 100644
--- 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