tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* linux/spi/ads7846.h */
2
3/* Touchscreen characteristics vary between boards and models. The
4 * platform_data for the device's "struct device" holds this information.
5 *
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 u16 debounce_max; /* max number of additional readings
19 * per sample */
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);
24};
25