mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-01 07:26:39 +07:00
b4be468cc1
[randy.dunlap@oracle.com: don't use bus_id] [dtor@mail.ru: locking and other fixups] Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
36 lines
1004 B
C
36 lines
1004 B
C
/* linux/spi/ad7879.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 ad7879_platform_data {
|
|
u16 model; /* 7879 */
|
|
u16 x_plate_ohms;
|
|
u16 x_min, x_max;
|
|
u16 y_min, y_max;
|
|
u16 pressure_min, pressure_max;
|
|
|
|
/* [0..255] 0=OFF Starts at 1=550us and goes
|
|
* all the way to 9.440ms in steps of 35us.
|
|
*/
|
|
u8 pen_down_acc_interval;
|
|
/* [0..15] Starts at 0=128us and goes all the
|
|
* way to 4.096ms in steps of 128us.
|
|
*/
|
|
u8 first_conversion_delay;
|
|
/* [0..3] 0 = 2us, 1 = 4us, 2 = 8us, 3 = 16us */
|
|
u8 acquisition_time;
|
|
/* [0..3] Average X middle samples 0 = 2, 1 = 4, 2 = 8, 3 = 16 */
|
|
u8 averaging;
|
|
/* [0..3] Perform X measurements 0 = OFF,
|
|
* 1 = 4, 2 = 8, 3 = 16 (median > averaging)
|
|
*/
|
|
u8 median;
|
|
/* 1 = AUX/VBAT/GPIO set to GPIO Output */
|
|
u8 gpio_output;
|
|
/* Initial GPIO pin state (valid if gpio_output = 1) */
|
|
u8 gpio_default;
|
|
};
|