/* linux/spi/ads7846.h *//* Touchscreen characteristics vary between boards and models. The * platform_data for the device's "struct device" holts this information. * * It's OK if the min/max values are zero. */structads7846_platform_data{u16model;/* 7843, 7845, 7846. */u16vref_delay_usecs;/* 0 for external vref; etc */u16x_plate_ohms;u16y_plate_ohms;u16x_min,x_max;u16y_min,y_max;u16pressure_min,pressure_max;};