diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/keyboard/gpio_keys.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index ed1ed469d085..19887fc10282 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -30,7 +30,7 @@ #include <linux/of_gpio.h> struct gpio_button_data { - struct gpio_keys_button *button; + const struct gpio_keys_button *button; struct input_dev *input; struct timer_list timer; struct work_struct work; @@ -322,7 +322,7 @@ static struct attribute_group gpio_keys_attr_group = { static void gpio_keys_report_event(struct gpio_button_data *bdata) { - struct gpio_keys_button *button = bdata->button; + const 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_cansleep(button->gpio) ? 1 : 0) ^ button->active_low; @@ -354,7 +354,7 @@ static void gpio_keys_timer(unsigned long _data) static irqreturn_t gpio_keys_isr(int irq, void *dev_id) { struct gpio_button_data *bdata = dev_id; - struct gpio_keys_button *button = bdata->button; + const struct gpio_keys_button *button = bdata->button; BUG_ON(irq != gpio_to_irq(button->gpio)); @@ -368,8 +368,9 @@ static irqreturn_t gpio_keys_isr(int irq, void *dev_id) } static int __devinit gpio_keys_setup_key(struct platform_device *pdev, + struct input_dev *input, struct gpio_button_data *bdata, - struct gpio_keys_button *button) + const struct gpio_keys_button *button) { const char *desc = button->desc ? button->desc : "gpio_keys"; struct device *dev = &pdev->dev; @@ -378,6 +379,8 @@ static int __devinit gpio_keys_setup_key(struct platform_device *pdev, setup_timer(&bdata->timer, gpio_keys_timer, (unsigned long)bdata); INIT_WORK(&bdata->work, gpio_keys_work_func); + bdata->input = input; + bdata->button = button; error = gpio_request(button->gpio, desc); if (error < 0) { @@ -425,6 +428,7 @@ static int __devinit gpio_keys_setup_key(struct platform_device *pdev, goto fail3; } + input_set_capability(input, button->type ?: EV_KEY, button->code); return 0; fail3: @@ -549,7 +553,7 @@ static int gpio_keys_get_devtree_pdata(struct device *dev, static int __devinit gpio_keys_probe(struct platform_device *pdev) { - struct gpio_keys_platform_data *pdata = pdev->dev.platform_data; + const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data; struct gpio_keys_drvdata *ddata; struct device *dev = &pdev->dev; struct gpio_keys_platform_data alt_pdata; @@ -599,21 +603,15 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) __set_bit(EV_REP, input->evbit); for (i = 0; i < pdata->nbuttons; i++) { - struct gpio_keys_button *button = &pdata->buttons[i]; + const struct gpio_keys_button *button = &pdata->buttons[i]; struct gpio_button_data *bdata = &ddata->data[i]; - unsigned int type = button->type ?: EV_KEY; - bdata->input = input; - bdata->button = button; - - error = gpio_keys_setup_key(pdev, bdata, button); + error = gpio_keys_setup_key(pdev, input, bdata, button); if (error) goto fail2; if (button->wakeup) wakeup = 1; - - input_set_capability(input, type, button->code); } error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group); @@ -699,11 +697,12 @@ static int __devexit gpio_keys_remove(struct platform_device *pdev) static int gpio_keys_suspend(struct device *dev) { struct gpio_keys_drvdata *ddata = dev_get_drvdata(dev); + const struct gpio_keys_button *button; int i; if (device_may_wakeup(dev)) { for (i = 0; i < ddata->n_buttons; i++) { - struct gpio_keys_button *button = ddata->data[i].button; + button = ddata->data[i].button; if (button->wakeup) { int irq = gpio_to_irq(button->gpio); enable_irq_wake(irq); @@ -717,11 +716,11 @@ static int gpio_keys_suspend(struct device *dev) static int gpio_keys_resume(struct device *dev) { struct gpio_keys_drvdata *ddata = dev_get_drvdata(dev); + const struct gpio_keys_button *button; int i; for (i = 0; i < ddata->n_buttons; i++) { - - struct gpio_keys_button *button = ddata->data[i].button; + button = ddata->data[i].button; if (button->wakeup && device_may_wakeup(dev)) { int irq = gpio_to_irq(button->gpio); disable_irq_wake(irq); |