diff options
| -rw-r--r-- | drivers/staging/nvec/nvec_kbd.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/staging/nvec/nvec_kbd.c b/drivers/staging/nvec/nvec_kbd.c index 167eac09809..a4ce5a740e2 100644 --- a/drivers/staging/nvec/nvec_kbd.c +++ b/drivers/staging/nvec/nvec_kbd.c @@ -23,6 +23,8 @@ #define ACK_KBD_EVENT {'\x05', '\xed', '\x01'} +static const char led_on[3] = "\x05\xed\x07"; +static const char led_off[3] = "\x05\xed\x00"; static unsigned char keycodes[ARRAY_SIZE(code_tab_102us) + ARRAY_SIZE(extcode_tab_us102)]; @@ -30,10 +32,21 @@ struct nvec_keys { struct input_dev *input; struct notifier_block notifier; struct nvec_chip *nvec; + bool caps_lock; }; static struct nvec_keys keys_dev; +static void nvec_kbd_toggle_led(void) +{ + keys_dev.caps_lock = !keys_dev.caps_lock; + + if (keys_dev.caps_lock) + nvec_write_async(keys_dev.nvec, led_on, sizeof(led_on)); + else + nvec_write_async(keys_dev.nvec, led_off, sizeof(led_off)); +} + static int nvec_keys_notifier(struct notifier_block *nb, unsigned long event_type, void *data) { @@ -53,6 +66,9 @@ static int nvec_keys_notifier(struct notifier_block *nb, code = msg[1] & 0x7f; state = msg[1] & 0x80; + if (code_tabs[_size][code] == KEY_CAPSLOCK && state) + nvec_kbd_toggle_led(); + input_report_key(keys_dev.input, code_tabs[_size][code], !state); input_sync(keys_dev.input); @@ -133,6 +149,9 @@ static int __devinit nvec_kbd_probe(struct platform_device *pdev) or until we have a sync write */ mdelay(1000); + /* Disable caps lock LED */ + nvec_write_async(nvec, led_off, sizeof(led_off)); + return 0; fail: |