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path: root/drivers/hid/hid-roccat-kone.c
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Diffstat (limited to 'drivers/hid/hid-roccat-kone.c')
-rw-r--r--drivers/hid/hid-roccat-kone.c52
1 files changed, 27 insertions, 25 deletions
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 76da04801ca9..fabc08efcfd8 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -89,9 +89,6 @@ static int kone_send(struct usb_device *usb_dev, uint usb_command,
return ((len < 0) ? len : ((len != size) ? -EIO : 0));
}
-/* kone_class is used for creating sysfs attributes via roccat char device */
-static struct class *kone_class;
-
static void kone_set_settings_checksum(struct kone_settings *settings)
{
uint16_t checksum = 0;
@@ -264,7 +261,7 @@ static int kone_get_firmware_version(struct usb_device *usb_dev, int *result)
}
static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
+ const struct bin_attribute *attr, char *buf,
loff_t off, size_t count) {
struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -288,7 +285,7 @@ static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
* case of error the old data is still valid
*/
static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
+ const struct bin_attribute *attr, char *buf,
loff_t off, size_t count) {
struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -330,11 +327,11 @@ unlock:
return sizeof(struct kone_settings);
}
-static BIN_ATTR(settings, 0660, kone_sysfs_read_settings,
- kone_sysfs_write_settings, sizeof(struct kone_settings));
+static const BIN_ATTR(settings, 0660, kone_sysfs_read_settings,
+ kone_sysfs_write_settings, sizeof(struct kone_settings));
static ssize_t kone_sysfs_read_profilex(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr,
+ struct kobject *kobj, const struct bin_attribute *attr,
char *buf, loff_t off, size_t count) {
struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -354,7 +351,7 @@ static ssize_t kone_sysfs_read_profilex(struct file *fp,
/* Writes data only if different to stored data */
static ssize_t kone_sysfs_write_profilex(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr,
+ struct kobject *kobj, const struct bin_attribute *attr,
char *buf, loff_t off, size_t count) {
struct device *dev = kobj_to_dev(kobj)->parent->parent;
struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -385,7 +382,7 @@ static ssize_t kone_sysfs_write_profilex(struct file *fp,
return sizeof(struct kone_profile);
}
#define PROFILE_ATTR(number) \
-static struct bin_attribute bin_attr_profile##number = { \
+static const struct bin_attribute bin_attr_profile##number = { \
.attr = { .name = "profile" #number, .mode = 0660 }, \
.size = sizeof(struct kone_profile), \
.read = kone_sysfs_read_profilex, \
@@ -403,7 +400,7 @@ static ssize_t kone_sysfs_show_actual_profile(struct device *dev,
{
struct kone_device *kone =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_profile);
+ return sysfs_emit(buf, "%d\n", kone->actual_profile);
}
static DEVICE_ATTR(actual_profile, 0440, kone_sysfs_show_actual_profile, NULL);
@@ -412,7 +409,7 @@ static ssize_t kone_sysfs_show_actual_dpi(struct device *dev,
{
struct kone_device *kone =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kone->actual_dpi);
+ return sysfs_emit(buf, "%d\n", kone->actual_dpi);
}
static DEVICE_ATTR(actual_dpi, 0440, kone_sysfs_show_actual_dpi, NULL);
@@ -435,7 +432,7 @@ static ssize_t kone_sysfs_show_weight(struct device *dev,
if (retval)
return retval;
- return snprintf(buf, PAGE_SIZE, "%d\n", weight);
+ return sysfs_emit(buf, "%d\n", weight);
}
static DEVICE_ATTR(weight, 0440, kone_sysfs_show_weight, NULL);
@@ -444,7 +441,7 @@ static ssize_t kone_sysfs_show_firmware_version(struct device *dev,
{
struct kone_device *kone =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kone->firmware_version);
+ return sysfs_emit(buf, "%d\n", kone->firmware_version);
}
static DEVICE_ATTR(firmware_version, 0440, kone_sysfs_show_firmware_version,
NULL);
@@ -454,7 +451,7 @@ static ssize_t kone_sysfs_show_tcu(struct device *dev,
{
struct kone_device *kone =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.tcu);
+ return sysfs_emit(buf, "%d\n", kone->settings.tcu);
}
static int kone_tcu_command(struct usb_device *usb_dev, int number)
@@ -556,7 +553,7 @@ static ssize_t kone_sysfs_show_startup_profile(struct device *dev,
{
struct kone_device *kone =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kone->settings.startup_profile);
+ return sysfs_emit(buf, "%d\n", kone->settings.startup_profile);
}
static ssize_t kone_sysfs_set_startup_profile(struct device *dev,
@@ -637,7 +634,7 @@ static struct attribute *kone_attrs[] = {
NULL,
};
-static struct bin_attribute *kone_bin_attributes[] = {
+static const struct bin_attribute *const kone_bin_attributes[] = {
&bin_attr_settings,
&bin_attr_profile1,
&bin_attr_profile2,
@@ -657,6 +654,12 @@ static const struct attribute_group *kone_groups[] = {
NULL,
};
+/* kone_class is used for creating sysfs attributes via roccat char device */
+static const struct class kone_class = {
+ .name = "kone",
+ .dev_groups = kone_groups,
+};
+
static int kone_init_kone_device_struct(struct usb_device *usb_dev,
struct kone_device *kone)
{
@@ -712,8 +715,8 @@ static int kone_init_specials(struct hid_device *hdev)
goto exit_free;
}
- retval = roccat_connect(kone_class, hdev,
- sizeof(struct kone_roccat_report));
+ retval = roccat_connect(&kone_class, hdev,
+ sizeof(struct kone_roccat_report));
if (retval < 0) {
hid_err(hdev, "couldn't init char dev\n");
/* be tolerant about not getting chrdev */
@@ -890,21 +893,20 @@ static int __init kone_init(void)
int retval;
/* class name has to be same as driver name */
- kone_class = class_create(THIS_MODULE, "kone");
- if (IS_ERR(kone_class))
- return PTR_ERR(kone_class);
- kone_class->dev_groups = kone_groups;
+ retval = class_register(&kone_class);
+ if (retval)
+ return retval;
retval = hid_register_driver(&kone_driver);
if (retval)
- class_destroy(kone_class);
+ class_unregister(&kone_class);
return retval;
}
static void __exit kone_exit(void)
{
hid_unregister_driver(&kone_driver);
- class_destroy(kone_class);
+ class_unregister(&kone_class);
}
module_init(kone_init);