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path: root/drivers/input/touchscreen/stmpe-ts.c
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Diffstat (limited to 'drivers/input/touchscreen/stmpe-ts.c')
-rw-r--r--drivers/input/touchscreen/stmpe-ts.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/input/touchscreen/stmpe-ts.c b/drivers/input/touchscreen/stmpe-ts.c
index 7e16fcfe3b95..af0fb38bcfdc 100644
--- a/drivers/input/touchscreen/stmpe-ts.c
+++ b/drivers/input/touchscreen/stmpe-ts.c
@@ -14,6 +14,7 @@
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/input.h>
+#include <linux/input/touchscreen.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/i2c.h>
@@ -51,6 +52,7 @@
* @idev: registered input device
* @work: a work item used to scan the device
* @dev: a pointer back to the MFD cell struct device*
+ * @prop: Touchscreen properties
* @ave_ctrl: Sample average control
* (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 samples, 3 -> 8 samples)
* @touch_det_delay: Touch detect interrupt delay
@@ -72,6 +74,7 @@ struct stmpe_touch {
struct input_dev *idev;
struct delayed_work work;
struct device *dev;
+ struct touchscreen_properties prop;
u8 ave_ctrl;
u8 touch_det_delay;
u8 settling;
@@ -104,7 +107,7 @@ static void stmpe_work(struct work_struct *work)
/*
* touch_det sometimes get desasserted or just get stuck. This appears
- * to be a silicon bug, We still have to clearify this with the
+ * to be a silicon bug, We still have to clarify this with the
* manufacture. As a workaround We release the key anyway if the
* touch_det keeps coming in after 4ms, while the FIFO contains no value
* during the whole time.
@@ -137,7 +140,7 @@ static irqreturn_t stmpe_ts_handler(int irq, void *data)
/*
* The FIFO sometimes just crashes and stops generating interrupts. This
- * appears to be a silicon bug. We still have to clearify this with
+ * appears to be a silicon bug. We still have to clarify this with
* the manufacture. As a workaround we disable the TSC while we are
* collecting data and flush the FIFO after reading
*/
@@ -150,8 +153,7 @@ static irqreturn_t stmpe_ts_handler(int irq, void *data)
y = ((data_set[1] & 0xf) << 8) | data_set[2];
z = data_set[3];
- input_report_abs(ts->idev, ABS_X, x);
- input_report_abs(ts->idev, ABS_Y, y);
+ touchscreen_report_pos(ts->idev, &ts->prop, x, y, false);
input_report_abs(ts->idev, ABS_PRESSURE, z);
input_report_key(ts->idev, BTN_TOUCH, 1);
input_sync(ts->idev);
@@ -337,6 +339,8 @@ static int stmpe_input_probe(struct platform_device *pdev)
input_set_abs_params(idev, ABS_Y, 0, XY_MASK, 0, 0);
input_set_abs_params(idev, ABS_PRESSURE, 0x0, 0xff, 0, 0);
+ touchscreen_parse_properties(idev, false, &ts->prop);
+
error = input_register_device(idev);
if (error) {
dev_err(&pdev->dev, "Could not register input device\n");
@@ -346,13 +350,11 @@ static int stmpe_input_probe(struct platform_device *pdev)
return 0;
}
-static int stmpe_ts_remove(struct platform_device *pdev)
+static void stmpe_ts_remove(struct platform_device *pdev)
{
struct stmpe_touch *ts = platform_get_drvdata(pdev);
stmpe_disable(ts->stmpe, STMPE_BLOCK_TOUCHSCREEN);
-
- return 0;
}
static struct platform_driver stmpe_ts_driver = {
@@ -364,12 +366,7 @@ static struct platform_driver stmpe_ts_driver = {
};
module_platform_driver(stmpe_ts_driver);
-static const struct of_device_id stmpe_ts_ids[] = {
- { .compatible = "st,stmpe-ts", },
- { },
-};
-MODULE_DEVICE_TABLE(of, stmpe_ts_ids);
-
+MODULE_ALIAS("platform:stmpe-ts");
MODULE_AUTHOR("Luotao Fu <l.fu@pengutronix.de>");
MODULE_DESCRIPTION("STMPEXXX touchscreen driver");
MODULE_LICENSE("GPL");