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Subject[RFC v1 PATCH 1/6] matrix_keypad: Increase the max limit of rows and columns
Date
Some keyboard controller have support for more than
16 columns and rows.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
---
include/linux/input/matrix_keypad.h | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index 80352ad..d80845e 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -4,11 +4,11 @@
#include <linux/types.h>
#include <linux/input.h>

-#define MATRIX_MAX_ROWS 16
-#define MATRIX_MAX_COLS 16
+#define MATRIX_MAX_ROWS 18
+#define MATRIX_MAX_COLS 18

-#define KEY(row, col, val) ((((row) & (MATRIX_MAX_ROWS - 1)) << 24) |\
- (((col) & (MATRIX_MAX_COLS - 1)) << 16) |\
+#define KEY(row, col, val) ((((row) % (MATRIX_MAX_ROWS)) << 24) |\
+ (((col) % (MATRIX_MAX_COLS)) << 16) |\
(val & 0xffff))

#define KEY_ROW(k) (((k) >> 24) & 0xff)
--
1.7.0.2


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