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Input: st1232 - handle common DT bindings 

This is required to specify generic touchscreen properties via DT.

Signed-off-by: Matthias Fend <matthias.fend@wolfvision.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Matthias Fend 2019-02-11 00:30:26 -08:00 committed by Dmitry Torokhov
parent 6b65189a2d
commit 16ab4f43eb
2 changed files with 8 additions and 2 deletions
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2
Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt
View File

@ -10,6 +10,8 @@ Required properties:
Optional properties:
- gpios: a phandle to the reset GPIO
For additional optional properties see: touchscreen.txt
Example:
i2c@00000000 {

8
drivers/input/touchscreen/st1232.c
View File

@ -20,6 +20,7 @@
#include <linux/pm_qos.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/input/touchscreen.h>
#define ST1232_TS_NAME "st1232-ts"
#define ST1633_TS_NAME "st1633-ts"
@ -43,6 +44,7 @@ struct st_chip_info {
struct st1232_ts_data {
struct i2c_client *client;
struct input_dev *input_dev;
struct touchscreen_properties prop;
struct dev_pm_qos_request low_latency_req;
struct gpio_desc *reset_gpio;
const struct st_chip_info *chip_info;
@ -112,8 +114,8 @@ static irqreturn_t st1232_ts_irq_handler(int irq, void *dev_id)
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR,
finger[i].t);
input_report_abs(input_dev, ABS_MT_POSITION_X, finger[i].x);
input_report_abs(input_dev, ABS_MT_POSITION_Y, finger[i].y);
touchscreen_report_pos(input_dev, &ts->prop,
finger[i].x, finger[i].y, true);
input_mt_sync(input_dev);
count++;
}
@ -243,6 +245,8 @@ static int st1232_ts_probe(struct i2c_client *client,
input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
0, ts->chip_info->max_y, 0, 0);
touchscreen_parse_properties(input_dev, true, &ts->prop);
error = devm_request_threaded_irq(&client->dev, client->irq,
NULL, st1232_ts_irq_handler,
IRQF_ONESHOT,