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[2/9] cec: add cec_phys_addr_invalidate() helper function

Message ID 20170607144616.15247-3-hverkuil@xs4all.nl (mailing list archive)
State New, archived
Headers show

Commit Message

Hans Verkuil June 7, 2017, 2:46 p.m. UTC 
From: Hans Verkuil <hans.verkuil@cisco.com>

Simplifies setting the physical address to CEC_PHYS_ADDR_INVALID.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
 include/media/cec.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/include/media/cec.h b/include/media/cec.h
index a548b292eeb1..3ce73951591e 100644
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -360,4 +360,17 @@  static inline int cec_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port)
 
 #endif
 
+/**
+ * cec_phys_addr_invalidate() - set the physical address to INVALID
+ *
+ * @adap:	the CEC adapter
+ *
+ * This is a simple helper function to invalidate the physical
+ * address.
+ */
+static inline void cec_phys_addr_invalidate(struct cec_adapter *adap)
+{
+	cec_s_phys_addr(adap, CEC_PHYS_ADDR_INVALID, false);
+}
+
 #endif /* _MEDIA_CEC_H */