I2C_PCA_OSC_PER 491 drivers/i2c/algos/i2c-algo-pca.c thi /= (I2C_PCA_OSC_PER * clock) - tlow; I2C_PCA_OSC_PER 494 drivers/i2c/algos/i2c-algo-pca.c tlow /= I2C_PCA_OSC_PER * clock * (min_thi + min_tlow);