static void keyboard_early_suspend(struct early_suspend *early_sus)
{
//caps lock led off
dock_keyboard_tx(0xcb);
msleep(100);
dock_keyboard_tx(0x10);
}
static int dock_keyboard_suspend(struct platform_device *pdev, pm_message_t state)
{
//caps lock led off
dock_keyboard_tx(0xcb);
msleep(100);
dock_keyboard_tx(0x10);
return 0;
}
static void led_work(struct work_struct *work)
{
struct dock_keyboard_data *data = container_of(work,
struct dock_keyboard_data, work_led);
if(data->led_on)
{
//caps lock led on
dock_keyboard_tx(0xca);
msleep(100);
dock_keyboard_tx(0xca);
}
else
{
//caps lock led off
dock_keyboard_tx(0xcb);
msleep(100);
dock_keyboard_tx(0xcb);
}
}
static void key_event_work(struct work_struct *work)
{
bool press;
static int release_cnt = 0;
unsigned int keycode;
unsigned char scan_code;
struct dock_keyboard_data *data = container_of(work,
struct dock_keyboard_data, work_msg);
while(buf_front != buf_rear)
{
buf_front = (1+buf_front)%MAX_BUF;
scan_code = key_buf[buf_front];
/* keyboard driver need the contry code*/
if(data->kl == UNKOWN_KEYLAYOUT)
{
switch(scan_code)
{
case US_KEYBOARD:
data->kl = US_KEYLAYOUT;
dock_keycodes[49].keycode = KEY_BACKSLASH;
/* for the wakeup state*/
pre_kl = data->kl;
printk(KERN_DEBUG "[Keyboard] US keyboard is attacted.\n");
break;
case UK_KEYBOARD:
data->kl = UK_KEYLAYOUT;
dock_keycodes[49].keycode = KEY_NUMERIC_POUND;
/* for the wakeup state*/
pre_kl = data->kl;
printk(KERN_DEBUG "[Keyboard] UK keyboard is attacted.\n");
break;
default:
printk(KERN_DEBUG "[Keyboard] Unkown key layout : %x\n", scan_code);
break;
}
}
else
{
/* Do not send the key_event durring the handshake time */
if(handshaking)
{
/* Caps lock led on/off */
if(scan_code == 0xca || scan_code == 0xcb)
{
// Ignore
//dock_keyboard_tx(scan_code);
}
else if(scan_code == 0x0)
{
release_all_keys();
release_cnt = 16;
}
else
{
press = ((scan_code & 0x80) != 0x80);
keycode = (scan_code & 0x7f);
if(keycode >= KEYBOARD_MIN || keycode <= KEYBOARD_MAX)
{
if(press)
{
// workaround keyboard issue
if(dock_keycodes[keycode].pressed)
{
input_report_key(data->input_dev, dock_keycodes[keycode].keycode, 0);
msleep(1);
}
dock_keycodes[keycode].pressed = true;
printk(KERN_DEBUG "[Keyboard] %d key is pressed.\n", dock_keycodes[keycode].keycode);
}
else
{
dock_keycodes[keycode].pressed = false;
printk(KERN_DEBUG "[Keyboard] %d key is released.\n", dock_keycodes[keycode].keycode);
}
/* for the remap keys*/
if(keycode == 0x45 || keycode == 0x48)
{
if(press)
{
data->key_timer.data = (unsigned long) keycode;
mod_timer(&data->key_timer, jiffies + HZ/3);
}
else
{
if(remap_state == REMAPKEY_PRESSED)
{
remap_state = REMAPKEY_RELEASED;
input_report_key(data->input_dev, dock_keycodes[keycode].keycode, press);
input_sync(data->input_dev);
}
}
}
else
{
input_report_key(data->input_dev, dock_keycodes[keycode].keycode, press);
input_sync(data->input_dev);
}
}
/* This is not working */
#if 0
else
{
/* request last scancode again*/
dock_keyboard_tx(0xaa);
printk(KERN_DEBUG "[Keyboard] wrong key_code : 0x%x\n", scan_code);
}
#endif
if(release_cnt >0)
{
if(press)
{
input_report_key(data->input_dev, dock_keycodes[keycode].keycode, 0);
printk(KERN_DEBUG "[Keyboard] forced release %d key.\n", dock_keycodes[keycode].keycode);
}
release_cnt--;
}
}
}
else
{
/* device don't send the key_event durring the handshaking */
if((jiffies_to_msecs(jiffies) - connected_time) >= 500)
{
handshaking =true;
}
}
}
}
}
static int dock_keyboard_suspend(struct platform_device *pdev, pm_message_t state)
{
suspend = true;
dock_keyboard_tx(0x10);
return 0;
}
