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Input: wistron - add support for querying/changing keymap 

Implement getkeycode and setkeycode methods for the device so
EVIOCGKEYCODE and EVIOCSKEYCODE ioctls will work.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2007-06-14 23:31:45 -04:00
parent c2554c9142
commit d63219a101
1 changed files with 89 additions and 36 deletions
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125
drivers/input/misc/wistron_btns.c
View File

@ -242,7 +242,7 @@ enum { KE_END, KE_KEY, KE_SW, KE_WIFI, KE_BLUETOOTH };
#define FE_WIFI_LED 0x02
#define FE_UNTESTED 0x80
static const struct key_entry *keymap; /* = NULL; Current key map */
static struct key_entry *keymap; /* = NULL; Current key map */
static int have_wifi;
static int have_bluetooth;
static int have_leds;
@ -1059,47 +1059,64 @@ static inline void wistron_led_resume(void)
led_classdev_resume(&wistron_wifi_led);
}
static struct key_entry *wistron_get_entry_by_scancode(int code)
{
struct key_entry *key;
for (key = keymap; key->type != KE_END; key++)
if (code == key->code)
return key;
return NULL;
}
static struct key_entry *wistron_get_entry_by_keycode(int keycode)
{
struct key_entry *key;
for (key = keymap; key->type != KE_END; key++)
if (key->type == KE_KEY && keycode == key->keycode)
return key;
return NULL;
}
static void handle_key(u8 code)
{
const struct key_entry *key;
const struct key_entry *key = wistron_get_entry_by_scancode(code);
for (key = keymap; key->type != KE_END; key++) {
if (code == key->code) {
switch (key->type) {
case KE_KEY:
report_key(wistron_idev->input, key->keycode);
break;
if (key) {
switch (key->type) {
case KE_KEY:
report_key(wistron_idev->input, key->keycode);
break;
case KE_SW:
report_switch(wistron_idev->input,
key->sw.code, key->sw.value);
break;
case KE_SW:
report_switch(wistron_idev->input,
key->sw.code, key->sw.value);
break;
case KE_WIFI:
if (have_wifi) {
wifi_enabled = !wifi_enabled;
bios_set_state(WIFI, wifi_enabled);
}
break;
case KE_BLUETOOTH:
if (have_bluetooth) {
bluetooth_enabled = !bluetooth_enabled;
bios_set_state(BLUETOOTH, bluetooth_enabled);
}
break;
case KE_END:
break;
default:
BUG();
case KE_WIFI:
if (have_wifi) {
wifi_enabled = !wifi_enabled;
bios_set_state(WIFI, wifi_enabled);
}
jiffies_last_press = jiffies;
return;
break;
case KE_BLUETOOTH:
if (have_bluetooth) {
bluetooth_enabled = !bluetooth_enabled;
bios_set_state(BLUETOOTH, bluetooth_enabled);
}
break;
default:
BUG();
}
}
printk(KERN_NOTICE "wistron_btns: Unknown key code %02X\n", code);
jiffies_last_press = jiffies;
} else
printk(KERN_NOTICE
"wistron_btns: Unknown key code %02X\n", code);
}
static void poll_bios(bool discard)
@ -1134,6 +1151,39 @@ static void wistron_poll(struct input_polled_dev *dev)
dev->poll_interval = POLL_INTERVAL_DEFAULT;
}
static int wistron_getkeycode(struct input_dev *dev, int scancode, int *keycode)
{
const struct key_entry *key = wistron_get_entry_by_scancode(scancode);
if (key && key->type == KE_KEY) {
*keycode = key->keycode;
return 0;
}
return -EINVAL;
}
static int wistron_setkeycode(struct input_dev *dev, int scancode, int keycode)
{
struct key_entry *key;
int old_keycode;
if (keycode < 0 || keycode > KEY_MAX)
return -EINVAL;
key = wistron_get_entry_by_scancode(scancode);
if (key && key->type == KE_KEY) {
old_keycode = key->keycode;
key->keycode = keycode;
set_bit(keycode, dev->keybit);
if (!wistron_get_entry_by_keycode(old_keycode))
clear_bit(old_keycode, dev->keybit);
return 0;
}
return -EINVAL;
}
static int __devinit setup_input_dev(void)
{
const struct key_entry *key;
@ -1152,7 +1202,10 @@ static int __devinit setup_input_dev(void)
input_dev->name = "Wistron laptop buttons";
input_dev->phys = "wistron/input0";
input_dev->id.bustype = BUS_HOST;
input_dev->cdev.dev = &wistron_device->dev;
input_dev->dev.parent = &wistron_device->dev;
input_dev->getkeycode = wistron_getkeycode;
input_dev->setkeycode = wistron_setkeycode;
for (key = keymap; key->type != KE_END; key++) {
switch (key->type) {