printk(KERN_INFO PREFIX "flags: 0x%x\n", flags);
- if (flags & GPIOKPF_DRIVE_INACTIVE)
- return count;
-
gpio_evmi->flags = flags;
return count;
return count;
}
+static ssize_t show_active_high_flag(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ if (!gpio_evmi)
+ return -ENODEV;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_ACTIVE_HIGH) ? 1 : 0);
+}
+
+static ssize_t store_active_high_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ unsigned flag;
+
+ if (!gpio_evmi)
+ return -ENODEV;
+
+ sscanf(buf, "%u", &flag);
+
+ if (flag) {
+ gpio_evmi->flags |= GPIOKPF_ACTIVE_HIGH;
+ } else {
+ gpio_evmi->flags &= ~GPIOKPF_ACTIVE_HIGH;
+ }
+
+ return count;
+}
+
+static ssize_t show_drive_inactive_flag(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ if (!gpio_evmi)
+ return -ENODEV;
+
+ return snprintf(buf, PAGE_SIZE, "%u\n", (gpio_evmi->flags & GPIOKPF_DRIVE_INACTIVE) ? 1 : 0);
+}
+
+static ssize_t store_drive_inactive_flag(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+{
+ unsigned flag;
+
+ if (!gpio_evmi)
+ return -ENODEV;
+
+ sscanf(buf, "%u", &flag);
+
+ if (flag) {
+ gpio_evmi->flags |= GPIOKPF_DRIVE_INACTIVE;
+ } else {
+ gpio_evmi->flags &= ~GPIOKPF_DRIVE_INACTIVE;
+ }
+
+ return count;
+}
+
static DEVICE_ATTR(debounce_delay, (S_IRUGO | S_IWUGO), show_debounce_delay, store_debounce_delay);
static DEVICE_ATTR(settle_time, (S_IRUGO | S_IWUGO), show_settle_time, store_settle_time);
static DEVICE_ATTR(poll_time, (S_IRUGO | S_IWUGO), show_poll_time, store_poll_time);
static DEVICE_ATTR(print_unmapped_keys_flag, (S_IRUGO | S_IWUGO), show_print_unmapped_keys_flag, store_print_unmapped_keys_flag);
static DEVICE_ATTR(print_mapped_keys_flag, (S_IRUGO | S_IWUGO), show_print_mapped_keys_flag, store_print_mapped_keys_flag);
static DEVICE_ATTR(print_phantom_keys_flag, (S_IRUGO | S_IWUGO), show_print_phantom_keys_flag, store_print_phantom_keys_flag);
+static DEVICE_ATTR(active_high_flag, (S_IRUGO), show_active_high_flag, store_active_high_flag);
+static DEVICE_ATTR(drive_inactive_flag, (S_IRUGO | S_IWUGO), show_drive_inactive_flag, store_drive_inactive_flag);
static void debounce_release(struct device *dev)
{
err = device_create_file(&debounce_device, &dev_attr_print_unmapped_keys_flag);
err = device_create_file(&debounce_device, &dev_attr_print_mapped_keys_flag);
err = device_create_file(&debounce_device, &dev_attr_print_phantom_keys_flag);
+ err = device_create_file(&debounce_device, &dev_attr_active_high_flag);
+ err = device_create_file(&debounce_device, &dev_attr_drive_inactive_flag);
printk(KERN_INFO PREFIX "settle_time: %u\n", gpio_evmi->settle_time.tv.nsec);
printk(KERN_INFO PREFIX "poll_time: %u\n", gpio_evmi->poll_time.tv.nsec);
device_remove_file(&debounce_device, &dev_attr_print_unmapped_keys_flag);
device_remove_file(&debounce_device, &dev_attr_print_mapped_keys_flag);
device_remove_file(&debounce_device, &dev_attr_print_phantom_keys_flag);
+ device_remove_file(&debounce_device, &dev_attr_active_high_flag);
+ device_remove_file(&debounce_device, &dev_attr_drive_inactive_flag);
device_unregister(&debounce_device);
}