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path: root/drivers/input/sparse-keymap.c
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Diffstat (limited to 'drivers/input/sparse-keymap.c')
-rw-r--r--drivers/input/sparse-keymap.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index 337bf51bc984..fdb6a3976f94 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -208,6 +208,12 @@ int sparse_keymap_setup(struct input_dev *dev,
}
}
+ if (test_bit(EV_KEY, dev->evbit)) {
+ __set_bit(KEY_UNKNOWN, dev->keybit);
+ __set_bit(EV_MSC, dev->evbit);
+ __set_bit(MSC_SCAN, dev->mscbit);
+ }
+
dev->keycode = map;
dev->keycodemax = map_size;
dev->getkeycode = sparse_keymap_getkeycode;
@@ -268,6 +274,7 @@ void sparse_keymap_report_entry(struct input_dev *dev, const struct key_entry *k
{
switch (ke->type) {
case KE_KEY:
+ input_event(dev, EV_MSC, MSC_SCAN, ke->code);
input_report_key(dev, ke->keycode, value);
input_sync(dev);
if (value && autorelease) {
@@ -305,12 +312,19 @@ bool sparse_keymap_report_event(struct input_dev *dev, unsigned int code,
{
const struct key_entry *ke =
sparse_keymap_entry_from_scancode(dev, code);
+ struct key_entry unknown_ke;
if (ke) {
sparse_keymap_report_entry(dev, ke, value, autorelease);
return true;
}
+ /* Report an unknown key event as a debugging aid */
+ unknown_ke.type = KE_KEY;
+ unknown_ke.code = code;
+ unknown_ke.keycode = KEY_UNKNOWN;
+ sparse_keymap_report_entry(dev, &unknown_ke, value, true);
+
return false;
}
EXPORT_SYMBOL(sparse_keymap_report_event);