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authorRussell King <rmk+kernel@armlinux.org.uk>2016-09-07 19:22:01 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-09-10 10:47:48 -0700
commit3521a0f05d28e75612bbe1ee014bdfedf831b23f (patch)
tree7960d220bb515e1409afccd4c0fd53cad21a02b3 /drivers/input/touchscreen
parent72f6d0b9eaee7e00ffab57b49d8543cc35a7d894 (diff)
Input: jornada720_ts - get rid of mach/irqs.h and mach/hardware.h includes
Switch the jornada720 touchscreen driver to obtain its gpio from the platform device via gpiolib and derive the interrupt from the GPIO, rather than via a hard-coded interrupt number obtained from the mach/irqs.h and mach/hardware.h headers. Tested-by: Adam Wysocki <armlinux@chmurka.net> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/touchscreen')
-rw-r--r--drivers/input/touchscreen/jornada720_ts.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/input/touchscreen/jornada720_ts.c b/drivers/input/touchscreen/jornada720_ts.c
index ea3b6a5b83e6..729b3c89324c 100644
--- a/drivers/input/touchscreen/jornada720_ts.c
+++ b/drivers/input/touchscreen/jornada720_ts.c
@@ -13,6 +13,7 @@
* HP Jornada 710/720/729 Touchscreen Driver
*/
+#include <linux/gpio/consumer.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/interrupt.h>
@@ -20,9 +21,7 @@
#include <linux/slab.h>
#include <linux/io.h>
-#include <mach/hardware.h>
#include <mach/jornada720.h>
-#include <mach/irqs.h>
MODULE_AUTHOR("Kristoffer Ericson <kristoffer.ericson@gmail.com>");
MODULE_DESCRIPTION("HP Jornada 710/720/728 touchscreen driver");
@@ -30,6 +29,7 @@ MODULE_LICENSE("GPL v2");
struct jornada_ts {
struct input_dev *dev;
+ struct gpio_desc *gpio;
int x_data[4]; /* X sample values */
int y_data[4]; /* Y sample values */
};
@@ -71,8 +71,8 @@ static irqreturn_t jornada720_ts_interrupt(int irq, void *dev_id)
struct input_dev *input = jornada_ts->dev;
int x, y;
- /* If GPIO_GPIO9 is set to high then report pen up */
- if (GPLR & GPIO_GPIO(9)) {
+ /* If gpio is high then report pen up */
+ if (gpiod_get_value(jornada_ts->gpio)) {
input_report_key(input, BTN_TOUCH, 0);
input_sync(input);
} else {
@@ -101,7 +101,7 @@ static int jornada720_ts_probe(struct platform_device *pdev)
{
struct jornada_ts *jornada_ts;
struct input_dev *input_dev;
- int error;
+ int error, irq;
jornada_ts = devm_kzalloc(&pdev->dev, sizeof(*jornada_ts), GFP_KERNEL);
if (!jornada_ts)
@@ -113,6 +113,14 @@ static int jornada720_ts_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, jornada_ts);
+ jornada_ts->gpio = devm_gpiod_get(&pdev->dev, "penup", GPIOD_IN);
+ if (IS_ERR(jornada_ts->gpio))
+ return PTR_ERR(jornada_ts->gpio);
+
+ irq = gpiod_to_irq(jornada_ts->gpio);
+ if (irq <= 0)
+ return irq < 0 ? irq : -EINVAL;
+
jornada_ts->dev = input_dev;
input_dev->name = "HP Jornada 7xx Touchscreen";
@@ -125,8 +133,7 @@ static int jornada720_ts_probe(struct platform_device *pdev)
input_set_abs_params(input_dev, ABS_X, 270, 3900, 0, 0);
input_set_abs_params(input_dev, ABS_Y, 180, 3700, 0, 0);
- error = devm_request_irq(&pdev->dev, IRQ_GPIO9,
- jornada720_ts_interrupt,
+ error = devm_request_irq(&pdev->dev, irq, jornada720_ts_interrupt,
IRQF_TRIGGER_RISING,
"HP7XX Touchscreen driver", pdev);
if (error) {