Input: matrix-keymap - uninline and prepare for device tree support
Change matrix-keymap helper to be out-of-line, like sparse keymap,
allow the helper perform basic keymap validation and return errors,
and prepare for device tree support.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 6c07ced0..e8fe08e 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -75,39 +75,13 @@
bool no_autorepeat;
};
-/**
- * matrix_keypad_build_keymap - convert platform keymap into matrix keymap
- * @keymap_data: keymap supplied by the platform code
- * @row_shift: number of bits to shift row value by to advance to the next
- * line in the keymap
- * @keymap: expanded version of keymap that is suitable for use by
- * matrix keyboad driver
- * @keybit: pointer to bitmap of keys supported by input device
- *
- * This function converts platform keymap (encoded with KEY() macro) into
- * an array of keycodes that is suitable for using in a standard matrix
- * keyboard driver that uses row and col as indices.
- */
-static inline void
-matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
- unsigned int row_shift,
- unsigned short *keymap, unsigned long *keybit)
-{
- int i;
+int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
+ const char *keymap_name,
+ unsigned int rows, unsigned int cols,
+ unsigned short *keymap,
+ struct input_dev *input_dev);
- for (i = 0; i < keymap_data->keymap_size; i++) {
- unsigned int key = keymap_data->keymap[i];
- unsigned int row = KEY_ROW(key);
- unsigned int col = KEY_COL(key);
- unsigned short code = KEY_VAL(key);
-
- keymap[MATRIX_SCAN_CODE(row, col, row_shift)] = code;
- __set_bit(code, keybit);
- }
- __clear_bit(KEY_RESERVED, keybit);
-}
-
-#ifdef CONFIG_INPUT_OF_MATRIX_KEYMAP
+#ifdef CONFIG_OF
struct matrix_keymap_data *
matrix_keyboard_of_fill_keymap(struct device_node *np, const char *propname);