From b61d43e6b0637bb2ec456cc50be823343b8ad1f8 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sun, 2 Jul 2017 16:34:14 +0200 Subject: [PATCH] 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 Signed-off-by: Jiri Kosina --- 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 b759485a2926..b2501b64ab9d 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); -- 2.20.1