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Diffstat (limited to 'include/linux/spi/ads7846.h')
-rw-r--r--include/linux/spi/ads7846.h36
1 files changed, 4 insertions, 32 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index 51948eb6927a..c87aa2680947 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -5,36 +5,17 @@
*
* It's OK if the min/max values are zero.
*/
-enum ads7846_filter {
- ADS7846_FILTER_OK,
- ADS7846_FILTER_REPEAT,
- ADS7846_FILTER_IGNORE,
-};
struct ads7846_platform_data {
u16 model; /* 7843, 7845, 7846. */
u16 vref_delay_usecs; /* 0 for external vref; etc */
- u16 vref_mv; /* external vref value, milliVolts */
- bool keep_vref_on; /* set to keep vref on for differential
- * measurements as well */
- bool swap_xy; /* swap x and y axes */
-
- /* Settling time of the analog signals; a function of Vcc and the
- * capacitance on the X/Y drivers. If set to non-zero, two samples
- * are taken with settle_delay us apart, and the second one is used.
- * ~150 uSec with 0.01uF caps.
- */
- u16 settle_delay_usecs;
-
- /* If set to non-zero, after samples are taken this delay is applied
- * and penirq is rechecked, to help avoid false events. This value
- * is affected by the material used to build the touch layer.
- */
- u16 penirq_recheck_delay_usecs;
-
u16 x_plate_ohms;
u16 y_plate_ohms;
+ u8 buflen;
+ u8 skip_samples;
+ u16 rotate;
+
u16 x_min, x_max;
u16 y_min, y_max;
u16 pressure_min, pressure_max;
@@ -44,14 +25,5 @@ struct ads7846_platform_data {
u16 debounce_tol; /* tolerance used for filtering */
u16 debounce_rep; /* additional consecutive good readings
* required after the first two */
- int gpio_pendown; /* the GPIO used to decide the pendown
- * state if get_pendown_state == NULL
- */
int (*get_pendown_state)(void);
- int (*filter_init) (struct ads7846_platform_data *pdata,
- void **filter_data);
- int (*filter) (void *filter_data, int data_idx, int *val);
- void (*filter_cleanup)(void *filter_data);
- void (*wait_for_sync)(void);
};
-