1 /* linux/spi/ads7846.h */
3 /* Touchscreen characteristics vary between boards and models. The
4 * platform_data for the device's "struct device" holds this information.
6 * It's OK if the min/max values are zero.
8 struct ads7846_platform_data {
9 u16 model; /* 7843, 7845, 7846. */
10 u16 vref_delay_usecs; /* 0 for external vref; etc */
16 u16 pressure_min, pressure_max;
18 u16 debounce_max; /* max number of additional readings
20 u16 debounce_tol; /* tolerance used for filtering */
21 u16 debounce_rep; /* additional consecutive good readings
22 * required after the first two */
23 int (*get_pendown_state)(void);