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Input: add getkeycode and setkeycode methods

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Allow drivers to implement their own get and set keycode methods. This
will allow drivers to change their keymaps without allocating huge
tables covering entire range of possible scancodes.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Marvin Raaijmakers
2007-03-14 22:50:42 -04:00
committed by Dmitry Torokhov
parent 55e3d9224b
commit c8e4c77277
4 changed files with 122 additions and 96 deletions
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31
include/linux/input.h
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@@ -913,33 +913,6 @@ struct ff_effect {
#define BIT(x) (1UL<<((x)%BITS_PER_LONG))
#define LONG(x) ((x)/BITS_PER_LONG)
#define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))
#define SET_INPUT_KEYCODE(dev, scancode, val) \
({ unsigned __old; \
switch (dev->keycodesize) { \
case 1: { \
u8 *k = (u8 *)dev->keycode; \
__old = k[scancode]; \
k[scancode] = val; \
break; \
} \
case 2: { \
u16 *k = (u16 *)dev->keycode; \
__old = k[scancode]; \
k[scancode] = val; \
break; \
} \
default: { \
u32 *k = (u32 *)dev->keycode; \
__old = k[scancode]; \
k[scancode] = val; \
break; \
} \
} \
__old; })
struct input_dev {
void *private;
@@ -962,6 +935,8 @@ struct input_dev {
unsigned int keycodemax;
unsigned int keycodesize;
void *keycode;
int (*setkeycode)(struct input_dev *dev, int scancode, int keycode);
int (*getkeycode)(struct input_dev *dev, int scancode, int *keycode);
struct ff_device *ff;
@@ -1104,7 +1079,7 @@ struct input_handle {
};
#define to_dev(n) container_of(n,struct input_dev,node)
#define to_handler(n) container_of(n,struct input_handler,node);
#define to_handler(n) container_of(n,struct input_handler,node)
#define to_handle(n) container_of(n,struct input_handle,d_node)
#define to_handle_h(n) container_of(n,struct input_handle,h_node)