diff options
Diffstat (limited to 'drivers/input/keyboard/gpio_keys_polled.c')
| -rw-r--r-- | drivers/input/keyboard/gpio_keys_polled.c | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c index f2142de789e7..21147164874d 100644 --- a/drivers/input/keyboard/gpio_keys_polled.c +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -103,8 +103,7 @@ static void gpio_keys_polled_close(struct input_polled_dev *dev) } #ifdef CONFIG_OF -static struct gpio_keys_platform_data * __devinit -gpio_keys_polled_get_devtree_pdata(struct device *dev) +static struct gpio_keys_platform_data *gpio_keys_polled_get_devtree_pdata(struct device *dev) { struct device_node *node, *pp; struct gpio_keys_platform_data *pdata; @@ -136,6 +135,7 @@ gpio_keys_polled_get_devtree_pdata(struct device *dev) i = 0; for_each_child_of_node(node, pp) { + int gpio; enum of_gpio_flags flags; if (!of_find_property(pp, "gpios", NULL)) { @@ -144,9 +144,19 @@ gpio_keys_polled_get_devtree_pdata(struct device *dev) continue; } + gpio = of_get_gpio_flags(pp, 0, &flags); + if (gpio < 0) { + error = gpio; + if (error != -EPROBE_DEFER) + dev_err(dev, + "Failed to get gpio flags, error: %d\n", + error); + goto err_free_pdata; + } + button = &pdata->buttons[i++]; - button->gpio = of_get_gpio_flags(pp, 0, &flags); + button->gpio = gpio; button->active_low = flags & OF_GPIO_ACTIVE_LOW; if (of_property_read_u32(pp, "linux,code", &button->code)) { @@ -196,7 +206,7 @@ gpio_keys_polled_get_devtree_pdata(struct device *dev) } #endif -static int __devinit gpio_keys_polled_probe(struct platform_device *pdev) +static int gpio_keys_polled_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; const struct gpio_keys_platform_data *pdata = dev_get_platdata(dev); @@ -246,7 +256,6 @@ static int __devinit gpio_keys_polled_probe(struct platform_device *pdev) input = poll_dev->input; - input->evbit[0] = BIT(EV_KEY); input->name = pdev->name; input->phys = DRV_NAME"/input0"; input->dev.parent = &pdev->dev; @@ -256,6 +265,10 @@ static int __devinit gpio_keys_polled_probe(struct platform_device *pdev) input->id.product = 0x0001; input->id.version = 0x0100; + __set_bit(EV_KEY, input->evbit); + if (pdata->rep) + __set_bit(EV_REP, input->evbit); + for (i = 0; i < pdata->nbuttons; i++) { struct gpio_keys_button *button = &pdata->buttons[i]; struct gpio_keys_button_data *bdata = &bdev->data[i]; @@ -268,22 +281,14 @@ static int __devinit gpio_keys_polled_probe(struct platform_device *pdev) goto err_free_gpio; } - error = gpio_request(gpio, - button->desc ? button->desc : DRV_NAME); + error = gpio_request_one(gpio, GPIOF_IN, + button->desc ?: DRV_NAME); if (error) { dev_err(dev, "unable to claim gpio %u, err=%d\n", gpio, error); goto err_free_gpio; } - error = gpio_direction_input(gpio); - if (error) { - dev_err(dev, - "unable to set direction on gpio %u, err=%d\n", - gpio, error); - goto err_free_gpio; - } - bdata->can_sleep = gpio_cansleep(gpio); bdata->last_state = -1; bdata->threshold = DIV_ROUND_UP(button->debounce_interval, @@ -329,7 +334,7 @@ err_free_pdata: return error; } -static int __devexit gpio_keys_polled_remove(struct platform_device *pdev) +static int gpio_keys_polled_remove(struct platform_device *pdev) { struct gpio_keys_polled_dev *bdev = platform_get_drvdata(pdev); const struct gpio_keys_platform_data *pdata = bdev->pdata; @@ -357,7 +362,7 @@ static int __devexit gpio_keys_polled_remove(struct platform_device *pdev) static struct platform_driver gpio_keys_polled_driver = { .probe = gpio_keys_polled_probe, - .remove = __devexit_p(gpio_keys_polled_remove), + .remove = gpio_keys_polled_remove, .driver = { .name = DRV_NAME, .owner = THIS_MODULE, |