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-rw-r--r--drivers/i2c/i2c-core-slave.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core-slave.c b/drivers/i2c/i2c-core-slave.c
index 1589179d5eb9..e3765e12f93b 100644
--- a/drivers/i2c/i2c-core-slave.c
+++ b/drivers/i2c/i2c-core-slave.c
@@ -14,6 +14,9 @@
#include "i2c-core.h"
+#define CREATE_TRACE_POINTS
+#include <trace/events/i2c_slave.h>
+
int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb)
{
int ret;
@@ -79,6 +82,18 @@ int i2c_slave_unregister(struct i2c_client *client)
}
EXPORT_SYMBOL_GPL(i2c_slave_unregister);
+int i2c_slave_event(struct i2c_client *client,
+ enum i2c_slave_event event, u8 *val)
+{
+ int ret = client->slave_cb(client, event, val);
+
+ if (trace_i2c_slave_enabled())
+ trace_i2c_slave(client, event, val, ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(i2c_slave_event);
+
/**
* i2c_detect_slave_mode - detect operation mode
* @dev: The device owning the bus