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HID: asus: Add T100TA touchpad resolution info 

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@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Hans de Goede 2017-07-02 16:34:14 +02:00 committed by Jiri Kosina
parent 25cc2611a6
commit b61d43e6b0
1 changed files with 6 additions and 0 deletions
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6
drivers/hid/hid-asus.c
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@ -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);