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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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21
drivers/input/keyboard/spear-keyboard.c
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@@ -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 @@ struct spear_kbd {
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 @@ static int __devinit spear_kbd_probe(struct platform_device *pdev)
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);