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Input: psmouse - disable "palm detection" in the focaltech driver 

Apparently, the threshold for large contact area seems to be rather low on
some devices, causing the touchpad to frequently freeze during normal
usage. Because we do now know how we are supposed to use the value in
question, this commit just drops the related code completely.

Signed-off-by: Mathias Gottschlag <mgottschlag@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Mathias Gottschlag 2015-03-07 13:38:52 -08:00 committed by Dmitry Torokhov
parent 4ec212f003
commit 4eb8d6e7e5
1 changed files with 0 additions and 10 deletions
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10
drivers/input/mouse/focaltech.c
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@ -185,16 +185,6 @@ static void focaltech_process_abs_packet(struct psmouse *psmouse,
state->pressed = (packet[0] >> 4) & 1;
/*
* packet[5] contains some kind of tool size in the most
* significant nibble. 0xff is a special value (latching) that
* signals a large contact area.
*/
if (packet[5] == 0xff) {
state->fingers[finger].valid = false;
return;
}
state->fingers[finger].x = ((packet[1] & 0xf) << 8) | packet[2];
state->fingers[finger].y = (packet[3] << 8) | packet[4];
state->fingers[finger].valid = true;