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Code Issues Releases Wiki Activity

Input: atlas_btns - add support for loadable keymaps

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Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2007-11-04 00:41:30 -04:00
parent 1953ea2d8d
commit 72341eea6f
1 changed files with 22 additions and 15 deletions
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37
drivers/input/misc/atlas_btns.c
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@ -29,9 +29,10 @@
#include <asm/uaccess.h>
#include <acpi/acpi_drivers.h>
#define ACPI_ATLAS_NAME "Atlas ACPI"
#define ACPI_ATLAS_CLASS "Atlas"
#define ACPI_ATLAS_NAME "Atlas ACPI"
#define ACPI_ATLAS_CLASS "Atlas"
static unsigned short atlas_keymap[16];
static struct input_dev *input_dev;
/* button handling code */
@ -50,12 +51,15 @@ static acpi_status acpi_atlas_button_handler(u32 function,
void *handler_context, void *region_context)
{
acpi_status status;
int keycode;
if (function == ACPI_WRITE) {
keycode = KEY_F1 + (address & 0x0F);
input_report_key(input_dev, keycode, !(address & 0x10));
int code = address & 0x0f;
int key_down = !(address & 0x10);
input_event(input_dev, EV_MSC, MSC_SCAN, code);
input_report_key(input_dev, atlas_keymap[code], key_down);
input_sync(input_dev);
status = 0;
} else {
printk(KERN_WARNING "atlas: shrugged on unexpected function"
@ -70,6 +74,7 @@ static acpi_status acpi_atlas_button_handler(u32 function,
static int atlas_acpi_button_add(struct acpi_device *device)
{
acpi_status status;
int i;
int err;
input_dev = input_allocate_device();
@ -81,17 +86,19 @@ static int atlas_acpi_button_add(struct acpi_device *device)
input_dev->name = "Atlas ACPI button driver";
input_dev->phys = "ASIM0000/atlas/input0";
input_dev->id.bustype = BUS_HOST;
input_dev->evbit[BIT_WORD(EV_KEY)] = BIT_MASK(EV_KEY);
input_dev->keycode = atlas_keymap;
input_dev->keycodesize = sizeof(unsigned short);
input_dev->keycodemax = ARRAY_SIZE(atlas_keymap);
set_bit(KEY_F1, input_dev->keybit);
set_bit(KEY_F2, input_dev->keybit);
set_bit(KEY_F3, input_dev->keybit);
set_bit(KEY_F4, input_dev->keybit);
set_bit(KEY_F5, input_dev->keybit);
set_bit(KEY_F6, input_dev->keybit);
set_bit(KEY_F7, input_dev->keybit);
set_bit(KEY_F8, input_dev->keybit);
set_bit(KEY_F9, input_dev->keybit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
__set_bit(EV_KEY, input_dev->evbit);
for (i = 0; i < ARRAY_SIZE(atlas_keymap); i++) {
if (i < 9) {
atlas_keymap[i] = KEY_F1 + i;
__set_bit(KEY_F1 + i, input_dev->keybit);
} else
atlas_keymap[i] = KEY_RESERVED;
}
err = input_register_device(input_dev);
if (err) {