Input: matrix_keypad - make matrix keymap size dynamic

[pandora-kernel.git] / include / linux / input / matrix_keypad.h

diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 7964516..15d5903 100644 (file)
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -15,12 +15,13 @@
 #define KEY_COL(k)             (((k) >> 16) & 0xff)
 #define KEY_VAL(k)             ((k) & 0xffff)
 
+#define MATRIX_SCAN_CODE(row, col, row_shift)  (((row) << (row_shift)) + (col))
+
 /**
  * struct matrix_keymap_data - keymap for matrix keyboards
  * @keymap: pointer to array of uint32 values encoded with KEY() macro
  *     representing keymap
  * @keymap_size: number of entries (initialized) in this keymap
- * @max_keymap_size: maximum size of keymap supported by the device
  *
  * This structure is supposed to be used by platform code to supply
  * keymaps to drivers that implement matrix-like keypads/keyboards.
@@ -28,14 +29,13 @@
 struct matrix_keymap_data {
        const uint32_t *keymap;
        unsigned int    keymap_size;
-       unsigned int    max_keymap_size;
 };
 
 /**
  * struct matrix_keypad_platform_data - platform-dependent keypad data
  * @keymap_data: pointer to &matrix_keymap_data
- * @row_gpios: array of gpio numbers reporesenting rows
- * @col_gpios: array of gpio numbers reporesenting colums
+ * @row_gpios: pointer to array of gpio numbers representing rows
+ * @col_gpios: pointer to array of gpio numbers reporesenting colums
  * @num_row_gpios: actual number of row gpios used by device
  * @num_col_gpios: actual number of col gpios used by device
  * @col_scan_delay_us: delay, measured in microseconds, that is
@@ -48,8 +48,9 @@ struct matrix_keymap_data {
 struct matrix_keypad_platform_data {
        const struct matrix_keymap_data *keymap_data;
 
-       unsigned int    row_gpios[MATRIX_MAX_ROWS];
-       unsigned int    col_gpios[MATRIX_MAX_COLS];
+       const unsigned int *row_gpios;
+       const unsigned int *col_gpios;
+
        unsigned int    num_row_gpios;
        unsigned int    num_col_gpios;