split out flags
authorMichael Gernoth <michael@gernoth.net>
Mon, 4 Jul 2011 11:52:16 +0000 (13:52 +0200)
committerMichael Gernoth <michael@gernoth.net>
Mon, 4 Jul 2011 11:52:16 +0000 (13:52 +0200)
debounce.c

index cefa1d9..a5138c3 100644 (file)
@@ -42,6 +42,7 @@ static void set_debounce_delay(long delay)
                printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec);
        }
 
                printk(KERN_INFO PREFIX "debounce_delay: %u\n", gpio_evmi->debounce_delay.tv.nsec);
        }
 
+#if 0
        if (gpio_evmi->debounce_delay.tv.nsec != 0) {
                if (!(gpio_evmi->flags & GPIOKPF_DEBOUNCE)) {
                        printk(KERN_INFO PREFIX "Activating debounce\n");
        if (gpio_evmi->debounce_delay.tv.nsec != 0) {
                if (!(gpio_evmi->flags & GPIOKPF_DEBOUNCE)) {
                        printk(KERN_INFO PREFIX "Activating debounce\n");
@@ -53,6 +54,7 @@ static void set_debounce_delay(long delay)
                        gpio_evmi->flags &= ~GPIOKPF_DEBOUNCE;
                }
        }
                        gpio_evmi->flags &= ~GPIOKPF_DEBOUNCE;
                }
        }
+#endif
 }
 
 static ssize_t store_debounce_delay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 }
 
 static ssize_t store_debounce_delay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
@@ -65,7 +67,7 @@ static ssize_t store_debounce_delay(struct device *dev, struct device_attribute
        sscanf(buf, "%ld", &delay);
        set_debounce_delay(delay);
 
        sscanf(buf, "%ld", &delay);
        set_debounce_delay(delay);
 
-       return strnlen(buf, PAGE_SIZE);
+       return count;
 }
 
 static ssize_t show_settle_time(struct device *dev, struct device_attribute *attr, char *buf)
 }
 
 static ssize_t show_settle_time(struct device *dev, struct device_attribute *attr, char *buf)
@@ -86,7 +88,7 @@ static ssize_t store_settle_time(struct device *dev, struct device_attribute *at
        sscanf(buf, "%ld", &delay);
        gpio_evmi->settle_time.tv.nsec = delay * NSEC_PER_USEC;
 
        sscanf(buf, "%ld", &delay);
        gpio_evmi->settle_time.tv.nsec = delay * NSEC_PER_USEC;
 
-       return strnlen(buf, PAGE_SIZE);
+       return count;
 }
 
 static ssize_t show_poll_time(struct device *dev, struct device_attribute *attr, char *buf)
 }
 
 static ssize_t show_poll_time(struct device *dev, struct device_attribute *attr, char *buf)
@@ -107,7 +109,7 @@ static ssize_t store_poll_time(struct device *dev, struct device_attribute *attr
        sscanf(buf, "%ld", &delay);
        gpio_evmi->poll_time.tv.nsec = delay * NSEC_PER_MSEC;
 
        sscanf(buf, "%ld", &delay);
        gpio_evmi->poll_time.tv.nsec = delay * NSEC_PER_MSEC;
 
-       return strnlen(buf, PAGE_SIZE);
+       return count;
 }
 
 static ssize_t show_flags(struct device *dev, struct device_attribute *attr, char *buf)
 }
 
 static ssize_t show_flags(struct device *dev, struct device_attribute *attr, char *buf)
@@ -126,15 +128,156 @@ static ssize_t store_flags(struct device *dev, struct device_attribute *attr, co
                return -ENODEV;
 
        sscanf(buf, "0x%x", &flags);
                return -ENODEV;
 
        sscanf(buf, "0x%x", &flags);
+
+       printk(KERN_INFO PREFIX "flags: 0x%x\n", flags);
+
+       if (flags & GPIOKPF_DRIVE_INACTIVE)
+               return count;
+
        gpio_evmi->flags = flags;
 
        gpio_evmi->flags = flags;
 
-       return strnlen(buf, PAGE_SIZE);
+       return count;
+}
+
+static ssize_t show_debounce_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_DEBOUNCE) ? 1 : 0);
 }
 
 }
 
-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(flags, (S_IRUGO | S_IWUGO), &show_flags, store_flags);
+static ssize_t store_debounce_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_DEBOUNCE;
+       } else {
+               gpio_evmi->flags &= ~GPIOKPF_DEBOUNCE;
+       }
+
+       return count;
+}
+
+static ssize_t show_remove_some_phantom_keys_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_REMOVE_SOME_PHANTOM_KEYS) ? 1 : 0);
+}
+
+static ssize_t store_remove_some_phantom_keys_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_REMOVE_SOME_PHANTOM_KEYS;
+       } else {
+               gpio_evmi->flags &= ~GPIOKPF_REMOVE_SOME_PHANTOM_KEYS;
+       }
+
+       return count;
+}
+
+static ssize_t show_print_unmapped_keys_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_PRINT_UNMAPPED_KEYS) ? 1 : 0);
+}
+
+static ssize_t store_print_unmapped_keys_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_PRINT_UNMAPPED_KEYS;
+       } else {
+               gpio_evmi->flags &= ~GPIOKPF_PRINT_UNMAPPED_KEYS;
+       }
+
+       return count;
+}
+
+static ssize_t show_print_mapped_keys_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_PRINT_MAPPED_KEYS) ? 1 : 0);
+}
+
+static ssize_t store_print_mapped_keys_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_PRINT_MAPPED_KEYS;
+       } else {
+               gpio_evmi->flags &= ~GPIOKPF_PRINT_MAPPED_KEYS;
+       }
+
+       return count;
+}
+
+static ssize_t show_print_phantom_keys_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_PRINT_PHANTOM_KEYS) ? 1 : 0);
+}
+
+static ssize_t store_print_phantom_keys_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_PRINT_PHANTOM_KEYS;
+       } else {
+               gpio_evmi->flags &= ~GPIOKPF_PRINT_PHANTOM_KEYS;
+       }
+
+       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(flags, (S_IRUGO), show_flags, store_flags);
+static DEVICE_ATTR(debounce_flag, (S_IRUGO | S_IWUGO), show_debounce_flag, store_debounce_flag);
+static DEVICE_ATTR(remove_some_phantom_keys_flag, (S_IRUGO | S_IWUGO), show_remove_some_phantom_keys_flag, store_remove_some_phantom_keys_flag);
+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 void debounce_release(struct device *dev)
 {
 
 static void debounce_release(struct device *dev)
 {
@@ -175,6 +318,11 @@ static int __init debounce_init(void)
        err = device_create_file(&debounce_device, &dev_attr_settle_time);
        err = device_create_file(&debounce_device, &dev_attr_poll_time);
        err = device_create_file(&debounce_device, &dev_attr_flags);
        err = device_create_file(&debounce_device, &dev_attr_settle_time);
        err = device_create_file(&debounce_device, &dev_attr_poll_time);
        err = device_create_file(&debounce_device, &dev_attr_flags);
+       err = device_create_file(&debounce_device, &dev_attr_debounce_flag);
+       err = device_create_file(&debounce_device, &dev_attr_remove_some_phantom_keys_flag);
+       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);
 
        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);
 
        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);
@@ -187,9 +335,7 @@ static int __init debounce_init(void)
        old_flags = gpio_evmi->flags;
 
        set_debounce_delay(debounce_delay);
        old_flags = gpio_evmi->flags;
 
        set_debounce_delay(debounce_delay);
-#if 0
-       gpio_evmi->flags &= ~GPIOKPF_REMOVE_SOME_PHANTOM_KEYS;
-#endif
+
        printk(KERN_INFO PREFIX "flags: 0x%x\n", gpio_evmi->flags);
 
        return 0;
        printk(KERN_INFO PREFIX "flags: 0x%x\n", gpio_evmi->flags);
 
        return 0;
@@ -215,6 +361,11 @@ static void __exit debounce_exit(void)
        device_remove_file(&debounce_device, &dev_attr_settle_time);
        device_remove_file(&debounce_device, &dev_attr_poll_time);
        device_remove_file(&debounce_device, &dev_attr_flags);
        device_remove_file(&debounce_device, &dev_attr_settle_time);
        device_remove_file(&debounce_device, &dev_attr_poll_time);
        device_remove_file(&debounce_device, &dev_attr_flags);
+       device_remove_file(&debounce_device, &dev_attr_debounce_flag);
+       device_remove_file(&debounce_device, &dev_attr_remove_some_phantom_keys_flag);
+       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_unregister(&debounce_device);
 }
 
        device_unregister(&debounce_device);
 }
 
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