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Commit 16ab4f43 authored by Matthias Fend's avatar Matthias Fend Committed by Dmitry Torokhov
Browse files

Input: st1232 - handle common DT bindings 



This is required to specify generic touchscreen properties via DT.

Signed-off-by: default avatarMatthias Fend <matthias.fend@wolfvision.net>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent 6b65189a

Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt

+2 −0
Original line number Diff line number Diff line
@@ -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 {

drivers/input/touchscreen/st1232.c

+6 −2
Original line number Diff line number Diff line
@@ -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,