diff options
author | Roman Moravcik <roman.moravcik@gmail.com> | 2007-05-01 00:39:13 -0400 |
---|---|---|
committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-05-01 00:39:13 -0400 |
commit | 84767d00a8fd54dd97866561f6e2ee246c8e1cdc (patch) | |
tree | 230e23cb988b86a6c81736a7915ed733771ad990 | |
parent | bc95f3669f5e6f63cf0b84fe4922c3c6dd4aa775 (diff) |
Input: gpio_keys - add support for switches (EV_SW)
Signed-off-by: Roman Moravcik <roman.moravcik@gmail.com>
Signed-off-by: Paul Sokolovsky <pmiscml@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
-rw-r--r-- | drivers/input/keyboard/gpio_keys.c | 19 | ||||
-rw-r--r-- | include/linux/gpio_keys.h | 3 |
2 files changed, 14 insertions, 8 deletions
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 0d2796cdf738..739212252b09 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c | |||
@@ -35,11 +35,14 @@ static irqreturn_t gpio_keys_isr(int irq, void *dev_id) | |||
35 | struct input_dev *input = platform_get_drvdata(pdev); | 35 | struct input_dev *input = platform_get_drvdata(pdev); |
36 | 36 | ||
37 | for (i = 0; i < pdata->nbuttons; i++) { | 37 | for (i = 0; i < pdata->nbuttons; i++) { |
38 | int gpio = pdata->buttons[i].gpio; | 38 | struct gpio_keys_button *button = &pdata->buttons[i]; |
39 | int gpio = button->gpio; | ||
40 | |||
39 | if (irq == gpio_to_irq(gpio)) { | 41 | if (irq == gpio_to_irq(gpio)) { |
40 | int state = (gpio_get_value(gpio) ? 1 : 0) ^ (pdata->buttons[i].active_low); | 42 | unsigned int type = button->type ?: EV_KEY; |
43 | int state = (gpio_get_value(gpio) ? 1 : 0) ^ button->active_low; | ||
41 | 44 | ||
42 | input_report_key(input, pdata->buttons[i].keycode, state); | 45 | input_event(input, type, button->code, !!state); |
43 | input_sync(input); | 46 | input_sync(input); |
44 | } | 47 | } |
45 | } | 48 | } |
@@ -71,19 +74,21 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev) | |||
71 | input->id.version = 0x0100; | 74 | input->id.version = 0x0100; |
72 | 75 | ||
73 | for (i = 0; i < pdata->nbuttons; i++) { | 76 | for (i = 0; i < pdata->nbuttons; i++) { |
74 | int code = pdata->buttons[i].keycode; | 77 | struct gpio_keys_button *button = &pdata->buttons[i]; |
75 | int irq = gpio_to_irq(pdata->buttons[i].gpio); | 78 | int irq = gpio_to_irq(button->gpio); |
79 | unsigned int type = button->type ?: EV_KEY; | ||
76 | 80 | ||
77 | set_irq_type(irq, IRQ_TYPE_EDGE_BOTH); | 81 | set_irq_type(irq, IRQ_TYPE_EDGE_BOTH); |
78 | error = request_irq(irq, gpio_keys_isr, IRQF_SAMPLE_RANDOM, | 82 | error = request_irq(irq, gpio_keys_isr, IRQF_SAMPLE_RANDOM, |
79 | pdata->buttons[i].desc ? pdata->buttons[i].desc : "gpio_keys", | 83 | button->desc ? button->desc : "gpio_keys", |
80 | pdev); | 84 | pdev); |
81 | if (error) { | 85 | if (error) { |
82 | printk(KERN_ERR "gpio-keys: unable to claim irq %d; error %d\n", | 86 | printk(KERN_ERR "gpio-keys: unable to claim irq %d; error %d\n", |
83 | irq, error); | 87 | irq, error); |
84 | goto fail; | 88 | goto fail; |
85 | } | 89 | } |
86 | set_bit(code, input->keybit); | 90 | |
91 | input_set_capability(input, type, button->code); | ||
87 | } | 92 | } |
88 | 93 | ||
89 | error = input_register_device(input); | 94 | error = input_register_device(input); |
diff --git a/include/linux/gpio_keys.h b/include/linux/gpio_keys.h index 2b217c7b9312..265d17830a0f 100644 --- a/include/linux/gpio_keys.h +++ b/include/linux/gpio_keys.h | |||
@@ -3,10 +3,11 @@ | |||
3 | 3 | ||
4 | struct gpio_keys_button { | 4 | struct gpio_keys_button { |
5 | /* Configuration parameters */ | 5 | /* Configuration parameters */ |
6 | int keycode; | 6 | int code; /* input event code (KEY_*, SW_*) */ |
7 | int gpio; | 7 | int gpio; |
8 | int active_low; | 8 | int active_low; |
9 | char *desc; | 9 | char *desc; |
10 | int type; /* input event type (EV_KEY, EV_SW) */ | ||
10 | }; | 11 | }; |
11 | 12 | ||
12 | struct gpio_keys_platform_data { | 13 | struct gpio_keys_platform_data { |