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Subject[patch 1/2] input: add soft release key mask to keyboard driver
Add keysrlmask to input_dev and add soft release handling in atkbd.c

Signed-off-by: Giel de Nijs <giel@caffeinetrip.com>
---

Index: linux-2.6.21.1/drivers/input/keyboard/atkbd.c
===================================================================
--- linux-2.6.21.1.orig/drivers/input/keyboard/atkbd.c 2007-05-10 18:34:48.000000000 +0200
+++ linux-2.6.21.1/drivers/input/keyboard/atkbd.c 2007-05-11 19:21:03.000000000 +0200
@@ -201,6 +201,7 @@

unsigned short id;
unsigned char keycode[512];
+ unsigned long keysrlmask[NBITS(512)];
unsigned char set;
unsigned char translated;
unsigned char extra;
@@ -412,14 +413,6 @@
"Some program might be trying access hardware directly.\n",
data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys);
goto out;
- case ATKBD_RET_HANGEUL:
- case ATKBD_RET_HANJA:
- /*
- * These keys do not report release and thus need to be
- * flagged properly
- */
- add_release_event = 1;
- break;
case ATKBD_RET_ERR:
atkbd->err_count++;
#ifdef ATKBD_DEBUG
@@ -438,6 +431,9 @@
if (keycode != ATKBD_KEY_NULL)
input_event(dev, EV_MSC, MSC_SCAN, code);

+ if (test_bit(code, atkbd->keysrlmask))
+ add_release_event = 1;
+
switch (keycode) {
case ATKBD_KEY_NULL:
break;
@@ -832,6 +828,7 @@
int i, j;

memset(atkbd->keycode, 0, sizeof(atkbd->keycode));
+ bitmap_zero(atkbd->keysrlmask, 512);

if (atkbd->translated) {
for (i = 0; i < 128; i++) {
@@ -854,6 +851,11 @@

atkbd->keycode[atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL)] = KEY_HANGUEL;
atkbd->keycode[atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA)] = KEY_HANJA;
+
+ set_bit(atkbd_compat_scancode(atkbd, ATKBD_RET_HANGEUL),
+ atkbd->keysrlmask);
+ set_bit(atkbd_compat_scancode(atkbd, ATKBD_RET_HANJA),
+ atkbd->keysrlmask);
}

/*
@@ -911,6 +913,7 @@
}

input_dev->keycode = atkbd->keycode;
+ input_dev->keysrlmask = atkbd->keysrlmask;
input_dev->keycodesize = sizeof(unsigned char);
input_dev->keycodemax = ARRAY_SIZE(atkbd_set2_keycode);

Index: linux-2.6.21.1/include/linux/input.h
===================================================================
--- linux-2.6.21.1.orig/include/linux/input.h 2007-05-10 18:32:39.000000000 +0200
+++ linux-2.6.21.1/include/linux/input.h 2007-05-10 18:56:50.000000000 +0200
@@ -962,6 +962,7 @@
unsigned int keycodemax;
unsigned int keycodesize;
void *keycode;
+ unsigned long *keysrlmask; /* soft-release scancodes key mask */

struct ff_device *ff;

--

-
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