22 lines
572 B
C
22 lines
572 B
C
/* linux/spi/ads7846.h */
|
|
|
|
/* Touchscreen characteristics vary between boards and models. The
|
|
* platform_data for the device's "struct device" holds this information.
|
|
*
|
|
* It's OK if the min/max values are zero.
|
|
*/
|
|
struct ads7846_platform_data {
|
|
u16 model; /* 7843, 7845, 7846. */
|
|
u16 vref_delay_usecs; /* 0 for external vref; etc */
|
|
u16 x_plate_ohms;
|
|
u16 y_plate_ohms;
|
|
|
|
u16 x_min, x_max;
|
|
u16 y_min, y_max;
|
|
u16 pressure_min, pressure_max;
|
|
|
|
u16 debounce_max; /* max number of readings per sample */
|
|
u16 debounce_tol; /* tolerance used for filtering */
|
|
};
|
|
|