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-rw-r--r--include/media/cec.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/media/cec.h b/include/media/cec.h
index dd781e928b72..1c6a797cb6d4 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -230,6 +230,18 @@ static inline bool cec_is_sink(const struct cec_adapter *adap)
return adap->phys_addr == 0;
}
+/**
+ * cec_is_registered() - is the CEC adapter registered?
+ *
+ * @adap: the CEC adapter, may be NULL.
+ *
+ * Return: true if the adapter is registered, false otherwise.
+ */
+static inline bool cec_is_registered(const struct cec_adapter *adap)
+{
+ return adap && adap->devnode.registered;
+}
+
#define cec_phys_addr_exp(pa) \
((pa) >> 12), ((pa) >> 8) & 0xf, ((pa) >> 4) & 0xf, (pa) & 0xf

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