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-rw-r--r--arch/arm/include/asm/arch-tegra2/tegra_i2c.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-tegra2/tegra_i2c.h b/arch/arm/include/asm/arch-tegra2/tegra_i2c.h
index 0a7d99c585..cfb136c466 100644
--- a/arch/arm/include/asm/arch-tegra2/tegra_i2c.h
+++ b/arch/arm/include/asm/arch-tegra2/tegra_i2c.h
@@ -154,4 +154,11 @@ struct i2c_ctlr {
#define I2C_INT_ARBITRATION_LOST_SHIFT 2
#define I2C_INT_ARBITRATION_LOST_MASK (1 << I2C_INT_ARBITRATION_LOST_SHIFT)
+/**
+ * Returns the bus number of the DVC controller
+ *
+ * @return number of bus, or -1 if there is no DVC active
+ */
+int tegra_i2c_get_dvc_bus_num(void);
+
#endif
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