[PATCH v3 3/4] Input: zforce_ts: Accept standard touchscreen properties

Andreas Kemnade
2023-12-23T22:12:42Z

Only driver-specific properties were accepted, change it
to use the now-available standard properties.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
drivers/input/touchscreen/zforce_ts.c | 36 +++++++++++++--------------
1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c
index 5be5112845e1e..f4397497bbe94 100644
--- a/drivers/input/touchscreen/zforce_ts.c
+++ b/drivers/input/touchscreen/zforce_ts.c
@@ -20,6 +20,7 @@
#include <linux/device.h>
#include <linux/sysfs.h>
#include <linux/input/mt.h>
+#include <linux/input/touchscreen.h>
#include <linux/platform_data/zforce_ts.h>
#include <linux/regulator/consumer.h>
#include <linux/of.h>
@@ -106,6 +107,7 @@ struct zforce_point {
struct zforce_ts {
struct i2c_client *client;
struct input_dev *input;
+ struct touchscreen_properties prop;
const struct zforce_ts_platdata *pdata;
char phys[32];

@@ -266,7 +268,6 @@ static int zforce_setconfig(struct zforce_ts *ts, char b1)
static int zforce_start(struct zforce_ts *ts)
{
struct i2c_client *client = ts->client;
- const struct zforce_ts_platdata *pdata = ts->pdata;
int ret;

dev_dbg(&client->dev, "starting device\n");
@@ -277,7 +278,7 @@ static int zforce_start(struct zforce_ts *ts)
return ret;
}

- ret = zforce_resolution(ts, pdata->x_max, pdata->y_max);
+ ret = zforce_resolution(ts, ts->prop.max_x, ts->prop.max_y);
if (ret) {
dev_err(&client->dev, "Unable to set resolution, %d\n", ret);
goto error;
@@ -337,7 +338,6 @@ static int zforce_stop(struct zforce_ts *ts)
static int zforce_touch_event(struct zforce_ts *ts, u8 *payload)
{
struct i2c_client *client = ts->client;
- const struct zforce_ts_platdata *pdata = ts->pdata;
struct zforce_point point;
int count, i, num = 0;

@@ -355,8 +355,8 @@ static int zforce_touch_event(struct zforce_ts *ts, u8 *payload)
point.coord_y =
payload[9 * i + 4] << 8 | payload[9 * i + 3];

- if (point.coord_x > pdata->x_max ||
- point.coord_y > pdata->y_max) {
+ if (point.coord_x > ts->prop.max_x ||
+ point.coord_y > ts->prop.max_y) {
dev_warn(&client->dev, "coordinates (%d,%d) invalid\n",
point.coord_x, point.coord_y);
point.coord_x = point.coord_y = 0;
@@ -390,10 +390,11 @@ static int zforce_touch_event(struct zforce_ts *ts, u8 *payload)
point.state != STATE_UP);

if (point.state != STATE_UP) {
- input_report_abs(ts->input, ABS_MT_POSITION_X,
- point.coord_x);
- input_report_abs(ts->input, ABS_MT_POSITION_Y,
- point.coord_y);
+ touchscreen_report_pos(ts->input,
+ &ts->prop,
+ point.coord_x,
+ point.coord_y,
+ true);
input_report_abs(ts->input, ABS_MT_TOUCH_MAJOR,
point.area_major);
input_report_abs(ts->input, ABS_MT_TOUCH_MINOR,
@@ -719,15 +720,8 @@ static struct zforce_ts_platdata *zforce_parse_dt(struct device *dev)
return ERR_PTR(-ENOMEM);
}

- if (of_property_read_u32(np, "x-size", &pdata->x_max)) {
- dev_err(dev, "failed to get x-size property\n");
- return ERR_PTR(-EINVAL);
- }
-
- if (of_property_read_u32(np, "y-size", &pdata->y_max)) {
- dev_err(dev, "failed to get y-size property\n");
- return ERR_PTR(-EINVAL);
- }
+ of_property_read_u32(np, "x-size", &pdata->x_max);
+ of_property_read_u32(np, "y-size", &pdata->y_max);

return pdata;
}
@@ -856,6 +850,12 @@ static int zforce_probe(struct i2c_client *client)
input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
pdata->y_max, 0, 0);

+ touchscreen_parse_properties(input_dev, true, &ts->prop);
+ if (ts->prop.max_x == 0 || ts->prop.max_y == 0) {
+ dev_err(&client->dev, "no size specified\n");
+ return -EINVAL;
+ }
+
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0,
ZFORCE_MAX_AREA, 0, 0);
input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0,
--
2.39.2