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-rw-r--r--i2c_helper.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/i2c_helper.h b/i2c_helper.h
index 599e08bb..cab2ce6f 100644
--- a/i2c_helper.h
+++ b/i2c_helper.h
@@ -72,6 +72,14 @@ static inline int i2c_buffer_t_fill(i2c_buffer_t *i2c_buf, void *buf, uint16_t l
int i2c_open(int bus, uint16_t addr, int force);
/**
+ * i2c_open_path: open an I2C device by device path
+ *
+ * This function behaves the same as i2c_open, but takes a filesystem
+ * path (assumed to be an I2C device file) instead of a bus number.
+ */
+int i2c_open_path(const char *path, uint16_t addr, int force);
+
+/**
* i2c_close - closes the file descriptor returned by i2c_open
*
* @fd: file descriptor to be closed.