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Input: matrix-keymap - uninline and prepare for device tree support

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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>
This commit is contained in:
Dmitry Torokhov
2012-05-10 22:37:08 -07:00
parent d0a3457d38
commit 1932811f42
22 changed files with 265 additions and 209 deletions
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27
drivers/input/keyboard/w90p910_keypad.c
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@@ -42,7 +42,8 @@
#define KGET_RAW(n) (((n) & KEY0R) >> 3)
#define KGET_COLUMN(n) ((n) & KEY0C)
#define W90P910_MAX_KEY_NUM (8 * 8)
#define W90P910_NUM_ROWS 8
#define W90P910_NUM_COLS 8
#define W90P910_ROW_SHIFT 3
struct w90p910_keypad {
@@ -51,7 +52,7 @@ struct w90p910_keypad {
struct input_dev *input_dev;
void __iomem *mmio_base;
int irq;
unsigned short keymap[W90P910_MAX_KEY_NUM];
unsigned short keymap[W90P910_NUM_ROWS * W90P910_NUM_COLS];
};
static void w90p910_keypad_scan_matrix(struct w90p910_keypad *keypad,
@@ -190,17 +191,13 @@ static int __devinit w90p910_keypad_probe(struct platform_device *pdev)
input_dev->close = w90p910_keypad_close;
input_dev->dev.parent = &pdev->dev;
input_dev->keycode = keypad->keymap;
input_dev->keycodesize = sizeof(keypad->keymap[0]);
input_dev->keycodemax = ARRAY_SIZE(keypad->keymap);
input_set_drvdata(input_dev, keypad);
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
matrix_keypad_build_keymap(keymap_data, W90P910_ROW_SHIFT,
input_dev->keycode, input_dev->keybit);
error = matrix_keypad_build_keymap(keymap_data, NULL,
W90P910_NUM_ROWS, W90P910_NUM_COLS,
keypad->keymap, input_dev);
if (error) {
dev_err(&pdev->dev, "failed to build keymap\n");
goto failed_put_clk;
}
error = request_irq(keypad->irq, w90p910_keypad_irq_handler,
0, pdev->name, keypad);
@@ -209,6 +206,10 @@ static int __devinit w90p910_keypad_probe(struct platform_device *pdev)
goto failed_put_clk;
}
__set_bit(EV_REP, input_dev->evbit);
input_set_capability(input_dev, EV_MSC, MSC_SCAN);
input_set_drvdata(input_dev, keypad);
/* Register the input device */
error = input_register_device(input_dev);
if (error) {