@@ -22,6 +22,7 @@
#include <linux/pm_qos.h>
#include <linux/slab.h>
#include <linux/types.h>
+#include <linux/input/ts-virtobj.h>
#define ST1232_TS_NAME "st1232-ts"
#define ST1633_TS_NAME "st1633-ts"
@@ -56,6 +57,7 @@ struct st1232_ts_data {
struct touchscreen_properties prop;
struct dev_pm_qos_request low_latency_req;
struct gpio_desc *reset_gpio;
+ struct ts_virtobj_map *map;
const struct st_chip_info *chip_info;
int read_buf_len;
u8 *read_buf;
@@ -133,6 +135,7 @@ static int st1232_ts_parse_and_report(struct st1232_ts_data *ts)
struct input_mt_pos pos[ST_TS_MAX_FINGERS];
u8 z[ST_TS_MAX_FINGERS];
int slots[ST_TS_MAX_FINGERS];
+ bool button_slot[ST_TS_MAX_FINGERS] = {false};
int n_contacts = 0;
int i;
@@ -143,6 +146,11 @@ static int st1232_ts_parse_and_report(struct st1232_ts_data *ts)
unsigned int x = ((buf[0] & 0x70) << 4) | buf[1];
unsigned int y = ((buf[0] & 0x07) << 8) | buf[2];
+ if (ts_virtobj_button_event(ts->map, ts->input_dev, x, y))
+ button_slot[n_contacts] = true;
+ else if (!ts_virtobj_mt_on_touchscreen(ts->map, &x, &y))
+ continue;
+
touchscreen_set_mt_pos(&pos[n_contacts],
&ts->prop, x, y);
@@ -158,12 +166,16 @@ static int st1232_ts_parse_and_report(struct st1232_ts_data *ts)
for (i = 0; i < n_contacts; i++) {
input_mt_slot(input, slots[i]);
input_mt_report_slot_state(input, MT_TOOL_FINGER, true);
- input_report_abs(input, ABS_MT_POSITION_X, pos[i].x);
- input_report_abs(input, ABS_MT_POSITION_Y, pos[i].y);
+ if (!button_slot[i]) {
+ input_report_abs(input, ABS_MT_POSITION_X, pos[i].x);
+ input_report_abs(input, ABS_MT_POSITION_Y, pos[i].y);
+ }
if (ts->chip_info->have_z)
input_report_abs(input, ABS_MT_TOUCH_MAJOR, z[i]);
}
+ if (!n_contacts)
+ ts_virtobj_button_release_pressed(ts->map, ts->input_dev);
input_mt_sync_frame(input);
input_sync(input);
@@ -266,6 +278,11 @@ static int st1232_ts_probe(struct i2c_client *client)
ts->client = client;
ts->input_dev = input_dev;
+ /* map virtual objects if defined in the device tree */
+ ts->map = ts_virtobj_map_objects(&ts->client->dev, ts->input_dev);
+ if (IS_ERR(ts->map))
+ return PTR_ERR(ts->map);
+
ts->reset_gpio = devm_gpiod_get_optional(&client->dev, NULL,
GPIOD_OUT_HIGH);
if (IS_ERR(ts->reset_gpio)) {
@@ -292,18 +309,22 @@ static int st1232_ts_probe(struct i2c_client *client)
if (error)
return error;
- /* Read resolution from the chip */
- error = st1232_ts_read_resolution(ts, &max_x, &max_y);
- if (error) {
- dev_err(&client->dev,
- "Failed to read resolution: %d\n", error);
- return error;
- }
-
if (ts->chip_info->have_z)
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0,
ts->chip_info->max_area, 0, 0);
+ if (ts_virtobj_mapped_touchscreen(ts->map)) {
+ ts_virtobj_retrieve_abs(ts->map, &max_x, &max_y);
+ } else {
+ /* Read resolution from the chip */
+ error = st1232_ts_read_resolution(ts, &max_x, &max_y);
+ if (error) {
+ dev_err(&client->dev,
+ "Failed to read resolution: %d\n", error);
+ return error;
+ }
+ }
+
input_set_abs_params(input_dev, ABS_MT_POSITION_X,
0, max_x, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
Use ts-virtobj to support overlay objects such as buttons and resized frames defined in the device tree. Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net> --- drivers/input/touchscreen/st1232.c | 41 ++++++++++++++++++++++-------- 1 file changed, 31 insertions(+), 10 deletions(-)