[PATCH 1/2] dt-bindings: input: touchscreen: st1232i: reference common DT bindings

[PATCH 1/2] dt-bindings: input: touchscreen: st1232i: reference common DT bindings

[Matthias Fend]

Add a reference to common touchscreen bindings which are also partly
supported.

Signed-off-by: Matthias Fend <matthias.fend@wolfvision.net>
---
 Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt b/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt
index 64ad48b..f3046e7 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/sitronix-st1232.txt
@@ -8,6 +8,8 @@ Required properties:
 Optional properties:
 - gpios: a phandle to the reset GPIO
 
+For additional optional properties see: touchscreen.txt
+
 Example:
 
 	i2c@00000000 {
-- 
2.7.4


Matthias Fend
R&D Electronics 

Wolfvision GmbH
Oberes Ried 14 | 6833 Klaus | Austria 
Tel: +43 5523 52250 | Mail: Matthias.Fend@wolfvision.net 

Webpage: www.wolfvision.com | www.wolfvision.com/green
Firmenbuch / Commercial Register: FN283521v Feldkirch/Austria

[PATCH 2/2] Input: st1232 - handle common DT bindings

[Matthias Fend]

This is required to specify generic touchscreen properties via DT.

Signed-off-by: Matthias Fend <matthias.fend@wolfvision.net>
---
 drivers/input/touchscreen/st1232.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
index 11ff32c..ad617ac 100644
--- a/drivers/input/touchscreen/st1232.c
+++ b/drivers/input/touchscreen/st1232.c
@@ -21,6 +21,7 @@
 #include <linux/pm_qos.h>
 #include <linux/slab.h>
 #include <linux/types.h>
+#include <linux/input/touchscreen.h>
 
 #define ST1232_TS_NAME	"st1232-ts"
 
@@ -195,6 +196,7 @@ static int st1232_ts_probe(struct i2c_client *client,
 	input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, MAX_AREA, 0, 0);
 	input_set_abs_params(input_dev, ABS_MT_POSITION_X, MIN_X, MAX_X, 0, 0);
 	input_set_abs_params(input_dev, ABS_MT_POSITION_Y, MIN_Y, MAX_Y, 0, 0);
+	touchscreen_parse_properties(input_dev, true, NULL);
 
 	error = devm_request_threaded_irq(&client->dev, client->irq,
 					  NULL, st1232_ts_irq_handler,
-- 
2.7.4


Matthias Fend
R&D Electronics 

Wolfvision GmbH
Oberes Ried 14 | 6833 Klaus | Austria 
Tel: +43 5523 52250 | Mail: Matthias.Fend@wolfvision.net 

Webpage: www.wolfvision.com | www.wolfvision.com/green
Firmenbuch / Commercial Register: FN283521v Feldkirch/Austria

Re: [PATCH 2/2] Input: st1232 - handle common DT bindings

[dmitry.torokhov]

Hi Matthias,

On Mon, Jan 28, 2019 at 09:06:08AM +0000, Matthias Fend wrote:
> This is required to specify generic touchscreen properties via DT.
> 
> Signed-off-by: Matthias Fend <matthias.fend@wolfvision.net>
> ---
>  drivers/input/touchscreen/st1232.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c
> index 11ff32c..ad617ac 100644
> --- a/drivers/input/touchscreen/st1232.c
> +++ b/drivers/input/touchscreen/st1232.c
> @@ -21,6 +21,7 @@
>  #include <linux/pm_qos.h>
>  #include <linux/slab.h>
>  #include <linux/types.h>
> +#include <linux/input/touchscreen.h>
>  
>  #define ST1232_TS_NAME	"st1232-ts"
>  
> @@ -195,6 +196,7 @@ static int st1232_ts_probe(struct i2c_client *client,
>  	input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, MAX_AREA, 0, 0);
>  	input_set_abs_params(input_dev, ABS_MT_POSITION_X, MIN_X, MAX_X, 0, 0);
>  	input_set_abs_params(input_dev, ABS_MT_POSITION_Y, MIN_Y, MAX_Y, 0, 0);
> +	touchscreen_parse_properties(input_dev, true, NULL);

Do you think you could complete the conversion and also use
touchscreen_report_pos() to support common transformations (swap,
invert)?

Thanks!

-- 
Dmitry