Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 78 insertions, 14 deletions

diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index 014248344763..fdb6a3976f94 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -22,6 +22,37 @@ MODULE_DESCRIPTION("Generic support for sparse keymaps");
 MODULE_LICENSE("GPL v2");
 MODULE_VERSION("0.1");
 
+static unsigned int sparse_keymap_get_key_index(struct input_dev *dev,
+                                                const struct key_entry *k)
+{
+        struct key_entry *key;
+        unsigned int idx = 0;
+
+        for (key = dev->keycode; key->type != KE_END; key++) {
+                if (key->type == KE_KEY) {
+                        if (key == k)
+                                break;
+                        idx++;
+                }
+        }
+
+        return idx;
+}
+
+static struct key_entry *sparse_keymap_entry_by_index(struct input_dev *dev,
+                                                      unsigned int index)
+{
+        struct key_entry *key;
+        unsigned int key_cnt = 0;
+
+        for (key = dev->keycode; key->type != KE_END; key++)
+                if (key->type == KE_KEY)
+                        if (key_cnt++ == index)
+                                return key;
+
+        return NULL;
+}
+
 /**
  * sparse_keymap_entry_from_scancode - perform sparse keymap lookup
  * @dev: Input device using sparse keymap
@@ -64,16 +95,36 @@ struct key_entry *sparse_keymap_entry_from_keycode(struct input_dev *dev,
 }
 EXPORT_SYMBOL(sparse_keymap_entry_from_keycode);
 
+static struct key_entry *sparse_keymap_locate(struct input_dev *dev,
+                                        const struct input_keymap_entry *ke)
+{
+        struct key_entry *key;
+        unsigned int scancode;
+
+        if (ke->flags & INPUT_KEYMAP_BY_INDEX)
+                key = sparse_keymap_entry_by_index(dev, ke->index);
+        else if (input_scancode_to_scalar(ke, &scancode) == 0)
+                key = sparse_keymap_entry_from_scancode(dev, scancode);
+        else
+                key = NULL;
+
+        return key;
+}
+
 static int sparse_keymap_getkeycode(struct input_dev *dev,
-                                    unsigned int scancode,
-                                    unsigned int *keycode)
+                                    struct input_keymap_entry *ke)
 {
         const struct key_entry *key;
 
         if (dev->keycode) {
-                key = sparse_keymap_entry_from_scancode(dev, scancode);
+                key = sparse_keymap_locate(dev, ke);
                 if (key && key->type == KE_KEY) {
-                        *keycode = key->keycode;
+                        ke->keycode = key->keycode;
+                        if (!(ke->flags & INPUT_KEYMAP_BY_INDEX))
+                                ke->index =
+                                        sparse_keymap_get_key_index(dev, key);
+                        ke->len = sizeof(key->code);
+                        memcpy(ke->scancode, &key->code, sizeof(key->code));
                         return 0;
                 }
         }
@@ -82,20 +133,19 @@ static int sparse_keymap_getkeycode(struct input_dev *dev,
 }
 
 static int sparse_keymap_setkeycode(struct input_dev *dev,
-                                    unsigned int scancode,
-                                    unsigned int keycode)
+                                    const struct input_keymap_entry *ke,
+                                    unsigned int *old_keycode)
 {
         struct key_entry *key;
-        int old_keycode;
 
         if (dev->keycode) {
-                key = sparse_keymap_entry_from_scancode(dev, scancode);
+                key = sparse_keymap_locate(dev, ke);
                 if (key && key->type == KE_KEY) {
-                        old_keycode = key->keycode;
-                        key->keycode = keycode;
-                        set_bit(keycode, dev->keybit);
-                        if (!sparse_keymap_entry_from_keycode(dev, old_keycode))
-                                clear_bit(old_keycode, dev->keybit);
+                        *old_keycode = key->keycode;
+                        key->keycode = ke->keycode;
+                        set_bit(ke->keycode, dev->keybit);
+                        if (!sparse_keymap_entry_from_keycode(dev, *old_keycode))
+                                clear_bit(*old_keycode, dev->keybit);
                         return 0;
                 }
         }
@@ -151,12 +201,19 @@ int sparse_keymap_setup(struct input_dev *dev,
                         break;
 
                 case KE_SW:
+                case KE_VSW:
                         __set_bit(EV_SW, dev->evbit);
                         __set_bit(entry->sw.code, dev->swbit);
                         break;
                 }
         }
 
+        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;
@@ -167,7 +224,6 @@ int sparse_keymap_setup(struct input_dev *dev,
  err_out:
         kfree(map);
         return error;
-
 }
 EXPORT_SYMBOL(sparse_keymap_setup);
 
@@ -218,6 +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) {
@@ -255,12 +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);