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/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index 3b6b528..e83cab2 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -49,7 +49,9 @@
#define KEY_VALUE 0x00FFFFFF
#define ROW_MASK 0xF0
#define COLUMN_MASK 0x0F
-#define ROW_SHIFT 4
+#define NUM_ROWS 16
+#define NUM_COLS 16
+
#define KEY_MATRIX_SHIFT 6
struct spear_kbd {
@@ -60,7 +62,7 @@
unsigned int irq;
unsigned int mode;
unsigned short last_key;
- unsigned short keycodes[256];
+ unsigned short keycodes[NUM_ROWS * NUM_COLS];
};
static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id)
@@ -212,18 +214,17 @@
input_dev->open = spear_kbd_open;
input_dev->close = spear_kbd_close;
- __set_bit(EV_KEY, input_dev->evbit);
+ error = matrix_keypad_build_keymap(keymap, NULL, NUM_ROWS, NUM_COLS,
+ kbd->keycodes, input_dev);
+ if (error) {
+ dev_err(&pdev->dev, "Failed to build keymap\n");
+ goto err_put_clk;
+ }
+
if (pdata->rep)
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
- input_dev->keycode = kbd->keycodes;
- input_dev->keycodesize = sizeof(kbd->keycodes[0]);
- input_dev->keycodemax = ARRAY_SIZE(kbd->keycodes);
-
- matrix_keypad_build_keymap(keymap, ROW_SHIFT,
- input_dev->keycode, input_dev->keybit);
-
input_set_drvdata(input_dev, kbd);
error = request_irq(irq, spear_kbd_interrupt, 0, "keyboard", kbd);