void *buf, size_t len);
int (*get_touch_data)(struct i2c_client *client, u8 *data);
bool (*parse_touch_data)(const u8 *data, unsigned int finger,
- unsigned int *x, unsigned int *y);
+ unsigned int *x, unsigned int *y,
+ unsigned int *z);
bool (*continue_polling)(const u8 *data, bool touch);
unsigned int max_touches;
unsigned int resolution;
bool has_calibrate_reg;
+ bool has_pressure_reg;
};
struct ili210x {
static bool ili210x_touchdata_to_coords(const u8 *touchdata,
unsigned int finger,
- unsigned int *x, unsigned int *y)
+ unsigned int *x, unsigned int *y,
+ unsigned int *z)
{
if (touchdata[0] & BIT(finger))
return false;
static bool ili211x_touchdata_to_coords(const u8 *touchdata,
unsigned int finger,
- unsigned int *x, unsigned int *y)
+ unsigned int *x, unsigned int *y,
+ unsigned int *z)
{
u32 data;
static bool ili212x_touchdata_to_coords(const u8 *touchdata,
unsigned int finger,
- unsigned int *x, unsigned int *y)
+ unsigned int *x, unsigned int *y,
+ unsigned int *z)
{
u16 val;
static bool ili251x_touchdata_to_coords(const u8 *touchdata,
unsigned int finger,
- unsigned int *x, unsigned int *y)
+ unsigned int *x, unsigned int *y,
+ unsigned int *z)
{
u16 val;
*x = val & 0x3fff;
*y = get_unaligned_be16(touchdata + 1 + (finger * 5) + 2);
+ *z = touchdata[1 + (finger * 5) + 4];
return true;
}
.continue_polling = ili251x_check_continue_polling,
.max_touches = 10,
.has_calibrate_reg = true,
+ .has_pressure_reg = true,
};
static bool ili210x_report_events(struct ili210x *priv, u8 *touchdata)
struct input_dev *input = priv->input;
int i;
bool contact = false, touch;
- unsigned int x = 0, y = 0;
+ unsigned int x = 0, y = 0, z = 0;
for (i = 0; i < priv->chip->max_touches; i++) {
- touch = priv->chip->parse_touch_data(touchdata, i, &x, &y);
+ touch = priv->chip->parse_touch_data(touchdata, i, &x, &y, &z);
input_mt_slot(input, i);
if (input_mt_report_slot_state(input, MT_TOOL_FINGER, touch)) {
touchscreen_report_pos(input, &priv->prop, x, y, true);
+ if (priv->chip->has_pressure_reg)
+ input_report_abs(input, ABS_MT_PRESSURE, z);
contact = true;
}
}
max_xy = (chip->resolution ?: SZ_64K) - 1;
input_set_abs_params(input, ABS_MT_POSITION_X, 0, max_xy, 0, 0);
input_set_abs_params(input, ABS_MT_POSITION_Y, 0, max_xy, 0, 0);
+ if (priv->chip->has_pressure_reg)
+ input_set_abs_params(input, ABS_MT_PRESSURE, 0, 0xa, 0, 0);
touchscreen_parse_properties(input, true, &priv->prop);
error = input_mt_init_slots(input, priv->chip->max_touches,