fimc_is_i2c
struct fimc_is_i2c *isp_i2c = dev_get_drvdata(dev);
struct fimc_is_i2c *isp_i2c;
struct fimc_is_i2c *isp_i2c = platform_get_drvdata(pdev);
struct fimc_is_i2c *isp_i2c = dev_get_drvdata(dev);