/* Set read polarity of IO pins in 'mask' to corresponding value in 'data' 0 = read pin value, 1 = read inverted pin value  */
int pca953x_set_pol(uint8_t chip, uint mask, uint data)
/* Set read polarity of IO pins in 'mask' to corresponding value in 'data' 0 = read pin value, 1 = read inverted pin value  */
int pca953x_set_pol(uint8_t chip, uint mask, uint data)
{
	return pca953x_reg_write(chip, PCA953X_POL, mask, data);
}