diff options
Diffstat (limited to 'Documentation/input/input-programming.txt')
| -rw-r--r-- | Documentation/input/input-programming.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/input/input-programming.txt b/Documentation/input/input-programming.txt index 81905e81585e..7f8b9d97bc47 100644 --- a/Documentation/input/input-programming.txt +++ b/Documentation/input/input-programming.txt | |||
| @@ -20,10 +20,11 @@ pressed or released a BUTTON_IRQ happens. The driver could look like: | |||
| 20 | 20 | ||
| 21 | static struct input_dev *button_dev; | 21 | static struct input_dev *button_dev; |
| 22 | 22 | ||
| 23 | static void button_interrupt(int irq, void *dummy, struct pt_regs *fp) | 23 | static irqreturn_t button_interrupt(int irq, void *dummy) |
| 24 | { | 24 | { |
| 25 | input_report_key(button_dev, BTN_0, inb(BUTTON_PORT) & 1); | 25 | input_report_key(button_dev, BTN_0, inb(BUTTON_PORT) & 1); |
| 26 | input_sync(button_dev); | 26 | input_sync(button_dev); |
| 27 | return IRQ_HANDLED; | ||
| 27 | } | 28 | } |
| 28 | 29 | ||
| 29 | static int __init button_init(void) | 30 | static int __init button_init(void) |
