blob: 72261e0f2ac19f29932ef36a154ae273a680eca2 [file] [log] [blame]
David Brownellffa458c2006-01-08 13:34:21 -08001/* linux/spi/ads7846.h */
2
3/* Touchscreen characteristics vary between boards and models. The
David Brownell2e5a7bd2006-01-08 13:34:25 -08004 * platform_data for the device's "struct device" holds this information.
David Brownellffa458c2006-01-08 13:34:21 -08005 *
6 * It's OK if the min/max values are zero.
7 */
8struct ads7846_platform_data {
9 u16 model; /* 7843, 7845, 7846. */
10 u16 vref_delay_usecs; /* 0 for external vref; etc */
11 u16 x_plate_ohms;
12 u16 y_plate_ohms;
13
14 u16 x_min, x_max;
15 u16 y_min, y_max;
16 u16 pressure_min, pressure_max;
17};
18