vprbrd_i2c 360 drivers/i2c/busses/i2c-viperboard.c struct vprbrd_i2c *vb_i2c; vprbrd_i2c 412 drivers/i2c/busses/i2c-viperboard.c struct vprbrd_i2c *vb_i2c = platform_get_drvdata(pdev);