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path: root/drivers/input/keyboard/gpio_keys.c
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Diffstat (limited to 'drivers/input/keyboard/gpio_keys.c')
-rw-r--r--drivers/input/keyboard/gpio_keys.c42
1 files changed, 16 insertions, 26 deletions
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index ec96b36..05f3f43 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -36,9 +36,10 @@ struct gpio_keys_drvdata {
struct gpio_button_data data[0];
};
-static void gpio_keys_report_event(struct gpio_keys_button *button,
- struct input_dev *input)
+static void gpio_keys_report_event(struct gpio_button_data *bdata)
{
+ struct gpio_keys_button *button = bdata->button;
+ struct input_dev *input = bdata->input;
unsigned int type = button->type ?: EV_KEY;
int state = (gpio_get_value(button->gpio) ? 1 : 0) ^ button->active_low;
@@ -50,34 +51,23 @@ static void gpio_check_button(unsigned long _data)
{
struct gpio_button_data *data = (struct gpio_button_data *)_data;
- gpio_keys_report_event(data->button, data->input);
+ gpio_keys_report_event(data);
}
static irqreturn_t gpio_keys_isr(int irq, void *dev_id)
{
- struct platform_device *pdev = dev_id;
- struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
- struct gpio_keys_drvdata *ddata = platform_get_drvdata(pdev);
- int i;
+ struct gpio_button_data *bdata = dev_id;
+ struct gpio_keys_button *button = bdata->button;
- for (i = 0; i < pdata->nbuttons; i++) {
- struct gpio_keys_button *button = &pdata->buttons[i];
+ BUG_ON(irq != gpio_to_irq(button->gpio));
- if (irq == gpio_to_irq(button->gpio)) {
- struct gpio_button_data *bdata = &ddata->data[i];
-
- if (button->debounce_interval)
- mod_timer(&bdata->timer,
- jiffies +
- msecs_to_jiffies(button->debounce_interval));
- else
- gpio_keys_report_event(button, bdata->input);
-
- return IRQ_HANDLED;
- }
- }
+ if (button->debounce_interval)
+ mod_timer(&bdata->timer,
+ jiffies + msecs_to_jiffies(button->debounce_interval));
+ else
+ gpio_keys_report_event(bdata);
- return IRQ_NONE;
+ return IRQ_HANDLED;
}
static int __devinit gpio_keys_probe(struct platform_device *pdev)
@@ -151,7 +141,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING,
button->desc ? button->desc : "gpio_keys",
- pdev);
+ bdata);
if (error) {
pr_err("gpio-keys: Unable to claim irq %d; error %d\n",
irq, error);
@@ -178,7 +168,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
fail2:
while (--i >= 0) {
- free_irq(gpio_to_irq(pdata->buttons[i].gpio), pdev);
+ free_irq(gpio_to_irq(pdata->buttons[i].gpio), &ddata->data[i]);
if (pdata->buttons[i].debounce_interval)
del_timer_sync(&ddata->data[i].timer);
gpio_free(pdata->buttons[i].gpio);
@@ -203,7 +193,7 @@ static int __devexit gpio_keys_remove(struct platform_device *pdev)
for (i = 0; i < pdata->nbuttons; i++) {
int irq = gpio_to_irq(pdata->buttons[i].gpio);
- free_irq(irq, pdev);
+ free_irq(irq, &ddata->data[i]);
if (pdata->buttons[i].debounce_interval)
del_timer_sync(&ddata->data[i].timer);
gpio_free(pdata->buttons[i].gpio);
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