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Input: lifebook - don't send incomplete events

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When we get a relative packet from trackpoint (when we deal with
touchscreen/trackpoint combo) we should not send events for the device
corresponding to touchscreen as it confuses evtouch driver (it looks
like it keeps previously reported absolute coordinates and the cursor
stays in the same place).

Reported-by: Marcin Drewka <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>
This commit is contained in:
Dmitry Torokhov 2009-05-08 18:30:32 -07:00
commit 9b771ac442
1 changed files with 13 additions and 12 deletions
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25
drivers/input/mouse/lifebook.c
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@ -159,21 +159,22 @@ static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
if (!dev2)
printk(KERN_WARNING "lifebook.c: got relative packet "
"but no relative device set up\n");
} else if (lifebook_use_6byte_proto) {
input_report_abs(dev1, ABS_X,
((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
input_report_abs(dev1, ABS_Y,
4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
} else {
input_report_abs(dev1, ABS_X,
(packet[1] | ((packet[0] & 0x30) << 4)));
input_report_abs(dev1, ABS_Y,
1024 - (packet[2] | ((packet[0] & 0xC0) << 2)));
if (lifebook_use_6byte_proto) {
input_report_abs(dev1, ABS_X,
((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f));
input_report_abs(dev1, ABS_Y,
4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f)));
} else {
input_report_abs(dev1, ABS_X,
(packet[1] | ((packet[0] & 0x30) << 4)));
input_report_abs(dev1, ABS_Y,
1024 - (packet[2] | ((packet[0] & 0xC0) << 2)));
}
input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
input_sync(dev1);
}
input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04);
input_sync(dev1);
if (dev2) {
if (relative_packet) {
input_report_rel(dev2, REL_X,