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Input: ep93xx_keypad - cleanup and use matrix_keypad helpers

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Use struct matrix_keymap_data to supply the keymap from the platform code
and matrix_keypad_build_keymap() to initialize the keymap.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
H Hartley Sweeten 2010-01-13 00:34:12 -08:00 committed by Dmitry Torokhov
parent 3920ab0ae7
commit a5abd95cc0
2 changed files with 22 additions and 32 deletions
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14
arch/arm/mach-ep93xx/include/mach/ep93xx_keypad.h
View File

@ -5,6 +5,8 @@
#ifndef __ASM_ARCH_EP93XX_KEYPAD_H
#define __ASM_ARCH_EP93XX_KEYPAD_H
struct matrix_keymap_data;
/* flags for the ep93xx_keypad driver */
#define EP93XX_KEYPAD_DISABLE_3_KEY (1<<0) /* disable 3-key reset */
#define EP93XX_KEYPAD_DIAG_MODE (1<<1) /* diagnostic mode */
@ -15,15 +17,13 @@
/**
* struct ep93xx_keypad_platform_data - platform specific device structure
* @matrix_key_map: array of keycodes defining the keypad matrix
* @matrix_key_map_size: ARRAY_SIZE(matrix_key_map)
* @debounce: debounce start count; terminal count is 0xff
* @prescale: row/column counter pre-scaler load value
* @flags: see above
* @keymap_data: pointer to &matrix_keymap_data
* @debounce: debounce start count; terminal count is 0xff
* @prescale: row/column counter pre-scaler load value
* @flags: see above
*/
struct ep93xx_keypad_platform_data {
unsigned int *matrix_key_map;
int matrix_key_map_size;
struct matrix_keymap_data *keymap_data;
unsigned int debounce;
unsigned int prescale;
unsigned int flags;

40
drivers/input/keyboard/ep93xx_keypad.c
View File

@ -69,7 +69,7 @@ struct ep93xx_keypad {
void __iomem *mmio_base;
unsigned int matrix_keycodes[EP93XX_MATRIX_SIZE];
unsigned short keycodes[EP93XX_MATRIX_SIZE];
int key1;
int key2;
@ -79,24 +79,6 @@ struct ep93xx_keypad {
bool enabled;
};
static void ep93xx_keypad_build_keycode(struct ep93xx_keypad *keypad)
{
struct ep93xx_keypad_platform_data *pdata = keypad->pdata;
struct input_dev *input_dev = keypad->input_dev;
unsigned int *key;
int i;
key = &pdata->matrix_key_map[0];
for (i = 0; i < pdata->matrix_key_map_size; i++, key++) {
int row = KEY_ROW(*key);
int col = KEY_COL(*key);
int code = KEY_VAL(*key);
keypad->matrix_keycodes[(row << 3) + col] = code;
__set_bit(code, input_dev->keybit);
}
}
static irqreturn_t ep93xx_keypad_irq_handler(int irq, void *dev_id)
{
struct ep93xx_keypad *keypad = dev_id;
@ -107,10 +89,10 @@ static irqreturn_t ep93xx_keypad_irq_handler(int irq, void *dev_id)
status = __raw_readl(keypad->mmio_base + KEY_REG);
keycode = (status & KEY_REG_KEY1_MASK) >> KEY_REG_KEY1_SHIFT;
key1 = keypad->matrix_keycodes[keycode];
key1 = keypad->keycodes[keycode];
keycode = (status & KEY_REG_KEY2_MASK) >> KEY_REG_KEY2_SHIFT;
key2 = keypad->matrix_keycodes[keycode];
key2 = keypad->keycodes[keycode];
if (status & KEY_REG_2KEYS) {
if (keypad->key1 && key1 != keypad->key1 && key2 != keypad->key1)
@ -256,6 +238,7 @@ static int ep93xx_keypad_resume(struct platform_device *pdev)
static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
{
struct ep93xx_keypad *keypad;
const struct matrix_keymap_data *keymap_data;
struct input_dev *input_dev;
struct resource *res;
int err;
@ -270,6 +253,12 @@ static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
goto failed_free;
}
keymap_data = keypad->pdata->keymap_data;
if (!keymap_data) {
err = -EINVAL;
goto failed_free;
}
keypad->irq = platform_get_irq(pdev, 0);
if (!keypad->irq) {
err = -ENXIO;
@ -317,9 +306,9 @@ static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
input_dev->open = ep93xx_keypad_open;
input_dev->close = ep93xx_keypad_close;
input_dev->dev.parent = &pdev->dev;
input_dev->keycode = keypad->matrix_keycodes;
input_dev->keycodesize = sizeof(keypad->matrix_keycodes[0]);
input_dev->keycodemax = ARRAY_SIZE(keypad->matrix_keycodes);
input_dev->keycode = keypad->keycodes;
input_dev->keycodesize = sizeof(keypad->keycodes[0]);
input_dev->keycodemax = ARRAY_SIZE(keypad->keycodes);
input_set_drvdata(input_dev, keypad);
@ -327,7 +316,8 @@ static int __devinit ep93xx_keypad_probe(struct platform_device *pdev)
if (keypad->pdata->flags & EP93XX_KEYPAD_AUTOREPEAT)
input_dev->evbit[0] |= BIT_MASK(EV_REP);
ep93xx_keypad_build_keycode(keypad);
matrix_keypad_build_keymap(keymap_data, 3,
input_dev->keycode, input_dev->keybit);
platform_set_drvdata(pdev, keypad);
err = request_irq(keypad->irq, ep93xx_keypad_irq_handler,