X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/ms2-fixes/blobdiff_plain/f7cb07b26d83c0b24689f6efc65770e17b5dd2df..0b9d6422126cbd641917c648172f890e2ca72c6f:/debounce.c

diff --git a/debounce.c b/debounce.c
index cefa1d9..029ff91 100644
--- a/debounce.c
+++ b/debounce.c
@@ -5,17 +5,12 @@
 
 #define PREFIX "debounce: "
 
-static int debounce_delay = 15;
-
 static unsigned old_flags = 0;
 ktime_t old_debounce_delay;
 ktime_t old_settle_time;
 ktime_t old_poll_time;
 static struct gpio_event_matrix_info *gpio_evmi = NULL;
 
-module_param(debounce_delay, int, S_IRUSR | S_IRGRP | S_IROTH);
-MODULE_PARM_DESC(debounce_delay, "debouncing delay (ms), default: 15");
-
 static int find_ms2_dev(struct device *dev, void *data)
 {
 	if (!strncmp((char*)data, dev_name(dev), strlen((char*)data))) {
@@ -38,10 +33,10 @@ static void set_debounce_delay(long delay)
 	if (gpio_evmi->debounce_delay.tv.nsec != delay * NSEC_PER_MSEC) {
 		printk(KERN_INFO PREFIX "Changing debounce_delay\n");
 		gpio_evmi->debounce_delay.tv.nsec = delay * NSEC_PER_MSEC;
-		debounce_delay = delay;
 		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");
@@ -53,6 +48,7 @@ static void set_debounce_delay(long delay)
 			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)
@@ -65,7 +61,7 @@ static ssize_t store_debounce_delay(struct device *dev, struct device_attribute
 	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)
@@ -86,7 +82,7 @@ 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;
 
-	return strnlen(buf, PAGE_SIZE);
+	return count;
 }
 
 static ssize_t show_poll_time(struct device *dev, struct device_attribute *attr, char *buf)
@@ -107,7 +103,7 @@ 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;
 
-	return strnlen(buf, PAGE_SIZE);
+	return count;
 }
 
 static ssize_t show_flags(struct device *dev, struct device_attribute *attr, char *buf)
@@ -126,15 +122,156 @@ static ssize_t store_flags(struct device *dev, struct device_attribute *attr, co
 		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;
 
-	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 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 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_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)
 {
@@ -175,6 +312,11 @@ 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_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);
@@ -186,10 +328,6 @@ static int __init debounce_init(void)
 	old_poll_time = gpio_evmi->poll_time;
 	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;
@@ -215,6 +353,11 @@ 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_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);
 }