media: cec-notifier: small improvements (fc1ff45a) · Commits · 戴 / test

drivers/media/cec/cec-notifier.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -87,6 +87,9 @@ EXPORT_SYMBOL_GPL(cec_notifier_put);

		void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa)
		{
		if (n == NULL)
		return;

		mutex_lock(&n->lock);
		n->phys_addr = pa;
		if (n->callback)
		@@ -100,6 +103,9 @@ void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
		{
		u16 pa = CEC_PHYS_ADDR_INVALID;

		if (n == NULL)
		return;

		if (edid && edid->extensions)
		pa = cec_get_edid_phys_addr((const u8 *)edid,
		EDID_LENGTH * (edid->extensions + 1), NULL);

+15 −0

Original line number	Diff line number	Diff line
		@@ -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