@@ -192,9 +192,12 @@
#define MXT_PRESS (1 << 6)
#define MXT_DETECT (1 << 7)
+/* Touch orient bits */
+#define MXT_XY_SWITCH (1 << 0)
+#define MXT_X_INVERT (1 << 1)
+#define MXT_Y_INVERT (1 << 2)
+
/* Touchscreen absolute values */
-#define MXT_MAX_XC 0x3ff
-#define MXT_MAX_YC 0x3ff
#define MXT_MAX_AREA 0xff
#define MXT_MAX_FINGER 10
@@ -242,6 +245,8 @@ struct mxt_data {
struct mxt_info info;
struct mxt_finger finger[MXT_MAX_FINGER];
unsigned int irq;
+ unsigned int x_size;
+ unsigned int y_size;
};
static bool mxt_object_readable(unsigned int type)
@@ -541,8 +546,13 @@ static void mxt_input_touchevent(struct mxt_data *data,
if (!(status & (MXT_PRESS | MXT_MOVE)))
return;
- x = (message->message[1] << 2) | ((message->message[3] & ~0x3f) >> 6);
- y = (message->message[2] << 2) | ((message->message[3] & ~0xf3) >> 2);
+ x = (message->message[1] << 4) | ((message->message[3] >> 4) & 0xf);
+ y = (message->message[2] << 4) | ((message->message[3] & 0xf));
+ if (data->x_size - 1 < 1024)
+ x = x >> 2;
+ if (data->y_size - 1 < 1024)
+ y = y >> 2;
+
area = message->message[4];
dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id,
@@ -837,6 +847,17 @@ static int mxt_initialize(struct mxt_data *data)
return 0;
}
+static void mxt_calc_resolution(struct mxt_data *data)
+{
+ if (data->pdata->orient & MXT_XY_SWITCH) {
+ data->x_size = data->pdata->y_size;
+ data->y_size = data->pdata->x_size;
+ } else {
+ data->x_size = data->pdata->x_size;
+ data->y_size = data->pdata->y_size;
+ }
+}
+
static ssize_t mxt_object_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -1044,31 +1065,32 @@ static int __devinit mxt_probe(struct i2c_client *client,
input_dev->open = mxt_input_open;
input_dev->close = mxt_input_close;
+ data->client = client;
+ data->input_dev = input_dev;
+ data->pdata = pdata;
+ data->irq = client->irq;
+
+ mxt_calc_resolution(data);
+
__set_bit(EV_ABS, input_dev->evbit);
__set_bit(EV_KEY, input_dev->evbit);
__set_bit(BTN_TOUCH, input_dev->keybit);
/* For single touch */
input_set_abs_params(input_dev, ABS_X,
- 0, MXT_MAX_XC, 0, 0);
+ 0, data->x_size, 0, 0);
input_set_abs_params(input_dev, ABS_Y,
- 0, MXT_MAX_YC, 0, 0);
+ 0, data->y_size, 0, 0);
/* For multi touch */
input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
0, MXT_MAX_AREA, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_X,
- 0, MXT_MAX_XC, 0, 0);
+ 0, data->x_size, 0, 0);
input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
- 0, MXT_MAX_YC, 0, 0);
+ 0, data->y_size, 0, 0);
input_set_drvdata(input_dev, data);
-
- data->client = client;
- data->input_dev = input_dev;
- data->pdata = pdata;
- data->irq = client->irq;
-
i2c_set_clientdata(client, data);
error = mxt_initialize(data);