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authorH Hartley Sweeten <hartleys@visionengravers.com>2010-01-13 00:34:12 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-01-13 00:37:16 -0800
commita5abd95cc0b35034186a9f76b0f2b83458425f47 (patch)
tree4ebecc89200f15fab2121450a349b41932beeeee /drivers/input/keyboard
parent3920ab0ae729e73bbcb5b3d0358c048ff9163629 (diff)
downloadop-kernel-dev-a5abd95cc0b35034186a9f76b0f2b83458425f47.zip
op-kernel-dev-a5abd95cc0b35034186a9f76b0f2b83458425f47.tar.gz
Input: ep93xx_keypad - cleanup and use matrix_keypad helpers
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>
Diffstat (limited to 'drivers/input/keyboard')
-rw-r--r--drivers/input/keyboard/ep93xx_keypad.c40
1 files changed, 15 insertions, 25 deletions
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index e457404..bd25a3a 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -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,
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