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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:
parent
c2554c9142
commit
d63219a101
1 changed files with 89 additions and 36 deletions
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@ -242,7 +242,7 @@ enum { KE_END, KE_KEY, KE_SW, KE_WIFI, KE_BLUETOOTH };
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#define FE_WIFI_LED 0x02
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#define FE_UNTESTED 0x80
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static const struct key_entry *keymap; /* = NULL; Current key map */
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static struct key_entry *keymap; /* = NULL; Current key map */
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static int have_wifi;
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static int have_bluetooth;
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static int have_leds;
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@ -1059,47 +1059,64 @@ static inline void wistron_led_resume(void)
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led_classdev_resume(&wistron_wifi_led);
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}
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static struct key_entry *wistron_get_entry_by_scancode(int code)
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{
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struct key_entry *key;
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for (key = keymap; key->type != KE_END; key++)
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if (code == key->code)
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return key;
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return NULL;
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}
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static struct key_entry *wistron_get_entry_by_keycode(int keycode)
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{
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struct key_entry *key;
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for (key = keymap; key->type != KE_END; key++)
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if (key->type == KE_KEY && keycode == key->keycode)
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return key;
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return NULL;
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}
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static void handle_key(u8 code)
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{
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const struct key_entry *key;
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const struct key_entry *key = wistron_get_entry_by_scancode(code);
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for (key = keymap; key->type != KE_END; key++) {
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if (code == key->code) {
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switch (key->type) {
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case KE_KEY:
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report_key(wistron_idev->input, key->keycode);
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break;
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if (key) {
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switch (key->type) {
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case KE_KEY:
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report_key(wistron_idev->input, key->keycode);
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break;
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case KE_SW:
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report_switch(wistron_idev->input,
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key->sw.code, key->sw.value);
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break;
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case KE_SW:
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report_switch(wistron_idev->input,
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key->sw.code, key->sw.value);
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break;
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case KE_WIFI:
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if (have_wifi) {
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wifi_enabled = !wifi_enabled;
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bios_set_state(WIFI, wifi_enabled);
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}
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break;
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case KE_BLUETOOTH:
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if (have_bluetooth) {
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bluetooth_enabled = !bluetooth_enabled;
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bios_set_state(BLUETOOTH, bluetooth_enabled);
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}
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break;
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case KE_END:
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break;
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default:
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BUG();
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case KE_WIFI:
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if (have_wifi) {
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wifi_enabled = !wifi_enabled;
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bios_set_state(WIFI, wifi_enabled);
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}
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jiffies_last_press = jiffies;
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return;
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break;
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case KE_BLUETOOTH:
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if (have_bluetooth) {
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bluetooth_enabled = !bluetooth_enabled;
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bios_set_state(BLUETOOTH, bluetooth_enabled);
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}
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break;
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default:
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BUG();
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}
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}
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printk(KERN_NOTICE "wistron_btns: Unknown key code %02X\n", code);
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jiffies_last_press = jiffies;
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} else
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printk(KERN_NOTICE
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"wistron_btns: Unknown key code %02X\n", code);
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}
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static void poll_bios(bool discard)
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@ -1134,6 +1151,39 @@ static void wistron_poll(struct input_polled_dev *dev)
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dev->poll_interval = POLL_INTERVAL_DEFAULT;
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}
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static int wistron_getkeycode(struct input_dev *dev, int scancode, int *keycode)
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{
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const struct key_entry *key = wistron_get_entry_by_scancode(scancode);
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if (key && key->type == KE_KEY) {
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*keycode = key->keycode;
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return 0;
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}
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return -EINVAL;
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}
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static int wistron_setkeycode(struct input_dev *dev, int scancode, int keycode)
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{
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struct key_entry *key;
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int old_keycode;
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if (keycode < 0 || keycode > KEY_MAX)
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return -EINVAL;
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key = wistron_get_entry_by_scancode(scancode);
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if (key && key->type == KE_KEY) {
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old_keycode = key->keycode;
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key->keycode = keycode;
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set_bit(keycode, dev->keybit);
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if (!wistron_get_entry_by_keycode(old_keycode))
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clear_bit(old_keycode, dev->keybit);
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return 0;
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}
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return -EINVAL;
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}
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static int __devinit setup_input_dev(void)
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{
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const struct key_entry *key;
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@ -1152,7 +1202,10 @@ static int __devinit setup_input_dev(void)
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input_dev->name = "Wistron laptop buttons";
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input_dev->phys = "wistron/input0";
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input_dev->id.bustype = BUS_HOST;
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input_dev->cdev.dev = &wistron_device->dev;
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input_dev->dev.parent = &wistron_device->dev;
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input_dev->getkeycode = wistron_getkeycode;
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input_dev->setkeycode = wistron_setkeycode;
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for (key = keymap; key->type != KE_END; key++) {
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switch (key->type) {
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