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Diffstat (limited to 'include/media/cec-notifier.h')
-rw-r--r--include/media/cec-notifier.h105
1 files changed, 72 insertions, 33 deletions
diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h
index 57b3a9f6ea1d..f161f8a493ac 100644
--- a/include/media/cec-notifier.h
+++ b/include/media/cec-notifier.h
@@ -43,6 +43,60 @@ struct cec_notifier *cec_notifier_get_conn(struct device *dev,
void cec_notifier_put(struct cec_notifier *n);
/**
+ * cec_notifier_conn_register - find or create a new cec_notifier for the given
+ * HDMI device and connector tuple.
+ * @hdmi_dev: HDMI device that sends the events.
+ * @conn_name: the connector name from which the event occurs. May be NULL
+ * if there is always only one HDMI connector created by the HDMI device.
+ * @conn_info: the connector info from which the event occurs (may be NULL)
+ *
+ * If a notifier for device @dev and connector @conn_name already exists, then
+ * increase the refcount and return that notifier.
+ *
+ * If it doesn't exist, then allocate a new notifier struct and return a
+ * pointer to that new struct.
+ *
+ * Return NULL if the memory could not be allocated.
+ */
+struct cec_notifier *
+cec_notifier_conn_register(struct device *hdmi_dev, const char *conn_name,
+ const struct cec_connector_info *conn_info);
+
+/**
+ * cec_notifier_conn_unregister - decrease refcount and delete when the
+ * refcount reaches 0.
+ * @n: notifier. If NULL, then this function does nothing.
+ */
+void cec_notifier_conn_unregister(struct cec_notifier *n);
+
+/**
+ * cec_notifier_cec_adap_register - find or create a new cec_notifier for the
+ * given device.
+ * @hdmi_dev: HDMI device that sends the events.
+ * @conn_name: the connector name from which the event occurs. May be NULL
+ * if there is always only one HDMI connector created by the HDMI device.
+ * @adap: the cec adapter that registered this notifier.
+ *
+ * If a notifier for device @dev and connector @conn_name already exists, then
+ * increase the refcount and return that notifier.
+ *
+ * If it doesn't exist, then allocate a new notifier struct and return a
+ * pointer to that new struct.
+ *
+ * Return NULL if the memory could not be allocated.
+ */
+struct cec_notifier *
+cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
+ struct cec_adapter *adap);
+
+/**
+ * cec_notifier_cec_adap_unregister - decrease refcount and delete when the
+ * refcount reaches 0.
+ * @n: notifier. If NULL, then this function does nothing.
+ */
+void cec_notifier_cec_adap_unregister(struct cec_notifier *n);
+
+/**
* cec_notifier_set_phys_addr - set a new physical address.
* @n: the CEC notifier
* @pa: the CEC physical address
@@ -64,30 +118,6 @@ void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
const struct edid *edid);
/**
- * cec_notifier_register - register a callback with the notifier
- * @n: the CEC notifier
- * @adap: the CEC adapter, passed as argument to the callback function
- * @callback: the callback function
- */
-void cec_notifier_register(struct cec_notifier *n,
- struct cec_adapter *adap,
- void (*callback)(struct cec_adapter *adap, u16 pa));
-
-/**
- * cec_notifier_unregister - unregister the callback from the notifier.
- * @n: the CEC notifier
- */
-void cec_notifier_unregister(struct cec_notifier *n);
-
-/**
- * cec_register_cec_notifier - register the notifier with the cec adapter.
- * @adap: the CEC adapter
- * @notifier: the CEC notifier
- */
-void cec_register_cec_notifier(struct cec_adapter *adap,
- struct cec_notifier *notifier);
-
-/**
* cec_notifier_parse_hdmi_phandle - find the hdmi device from "hdmi-phandle"
* @dev: the device with the "hdmi-phandle" device tree property
*
@@ -110,27 +140,36 @@ static inline void cec_notifier_put(struct cec_notifier *n)
{
}
-static inline void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa)
+static inline struct cec_notifier *
+cec_notifier_conn_register(struct device *hdmi_dev, const char *conn_name,
+ const struct cec_connector_info *conn_info)
{
+ /* A non-NULL pointer is expected on success */
+ return (struct cec_notifier *)0xdeadfeed;
}
-static inline void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
- const struct edid *edid)
+static inline void cec_notifier_conn_unregister(struct cec_notifier *n)
+{
+}
+
+static inline struct cec_notifier *
+cec_notifier_cec_adap_register(struct device *hdmi_dev, const char *conn_name,
+ struct cec_adapter *adap)
{
+ /* A non-NULL pointer is expected on success */
+ return (struct cec_notifier *)0xdeadfeed;
}
-static inline void cec_notifier_register(struct cec_notifier *n,
- struct cec_adapter *adap,
- void (*callback)(struct cec_adapter *adap, u16 pa))
+static inline void cec_notifier_cec_adap_unregister(struct cec_notifier *n)
{
}
-static inline void cec_notifier_unregister(struct cec_notifier *n)
+static inline void cec_notifier_set_phys_addr(struct cec_notifier *n, u16 pa)
{
}
-static inline void cec_register_cec_notifier(struct cec_adapter *adap,
- struct cec_notifier *notifier)
+static inline void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n,
+ const struct edid *edid)
{
}