The touchpad code is only used with the T100TA touchpad which
measures 75.5 x 41.5 mm, add corresponding resolution info.
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/hid/hid-asus.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index 4ff4add14974..e27cc4a25ed0 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -86,6 +86,8 @@ struct asus_kbd_leds {
struct asus_touchpad_info {
int max_x;
int max_y;
+ int res_x;
+ int res_y;
int contact_size;
int max_contacts;
};
@@ -108,6 +110,8 @@ static const struct asus_touchpad_info asus_i2c_tp = {
static const struct asus_touchpad_info asus_t100ta_tp = {
.max_x = 2240,
.max_y = 1120,
+ .res_x = 30, /* units/mm */
+ .res_y = 27, /* units/mm */
.contact_size = 5,
.max_contacts = 5,
};
@@ -361,6 +365,8 @@ static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
drvdata->tp->max_x, 0, 0);
input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
drvdata->tp->max_y, 0, 0);
+ input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
+ input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
input_set_abs_params(input, ABS_TOOL_WIDTH, 0, MAX_TOUCH_MAJOR, 0, 0);
input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, MAX_TOUCH_MAJOR, 0, 0);
input_set_abs_params(input, ABS_MT_PRESSURE, 0, MAX_PRESSURE, 0, 0);
--
2.13.0
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