// SPDX-License-Identifier: GPL-2.0-only
+#include <linux/bitfield.h>
#include <linux/bits.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#define IST3038C_FINGER_COUNT_MASK GENMASK(15, 12)
#define IST3038C_FINGER_COUNT_SHIFT 12
#define IST3038C_FINGER_STATUS_MASK GENMASK(9, 0)
+#define IST3032C_KEY_STATUS_MASK GENMASK(20, 16)
struct imagis_properties {
unsigned int interrupt_msg_cmd;
unsigned int whoami_cmd;
unsigned int whoami_val;
bool protocol_b;
+ bool touch_keys_supported;
};
struct imagis_ts {
{
struct imagis_ts *ts = dev_id;
u32 intr_message, finger_status;
- unsigned int finger_count, finger_pressed;
+ unsigned int finger_count, finger_pressed, key_pressed;
int i;
int error;
IST3038C_AREA_SHIFT);
}
+ key_pressed = FIELD_GET(IST3032C_KEY_STATUS_MASK, intr_message);
+
+ input_report_key(ts->input_dev, KEY_APPSELECT, (key_pressed & BIT(0)));
+ input_report_key(ts->input_dev, KEY_BACK, (key_pressed & BIT(1)));
+
input_mt_sync_frame(ts->input_dev);
input_sync(ts->input_dev);
input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_X);
input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_Y);
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 16, 0, 0);
+ if (ts->tdata->touch_keys_supported) {
+ input_set_capability(input_dev, EV_KEY, KEY_BACK);
+ input_set_capability(input_dev, EV_KEY, KEY_APPSELECT);
+ }
touchscreen_parse_properties(input_dev, true, &ts->prop);
if (!ts->prop.max_x || !ts->prop.max_y) {
.touch_coord_cmd = IST3038C_REG_TOUCH_COORD,
.whoami_cmd = IST3038C_REG_CHIPID,
.whoami_val = IST3032C_WHOAMI,
+ .touch_keys_supported = true,
};
static const struct imagis_properties imagis_3038b_data = {