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path: root/drivers/hid/hid-roccat-kovaplus.c
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Diffstat (limited to 'drivers/hid/hid-roccat-kovaplus.c')
-rw-r--r--drivers/hid/hid-roccat-kovaplus.c58
1 files changed, 30 insertions, 28 deletions
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c
index 6fb9b9563769..a66f1b4730f3 100644
--- a/drivers/hid/hid-roccat-kovaplus.c
+++ b/drivers/hid/hid-roccat-kovaplus.c
@@ -24,8 +24,6 @@
static uint profile_numbers[5] = {0, 1, 2, 3, 4};
-static struct class *kovaplus_class;
-
static uint kovaplus_convert_event_cpi(uint value)
{
return (value == 7 ? 4 : (value == 4 ? 3 : value));
@@ -173,8 +171,8 @@ static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
#define KOVAPLUS_SYSFS_W(thingy, THINGY) \
static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
- struct kobject *kobj, struct bin_attribute *attr, char *buf, \
- loff_t off, size_t count) \
+ struct kobject *kobj, const struct bin_attribute *attr, \
+ char *buf, loff_t off, size_t count) \
{ \
return kovaplus_sysfs_write(fp, kobj, buf, off, count, \
KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
@@ -182,8 +180,8 @@ static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
#define KOVAPLUS_SYSFS_R(thingy, THINGY) \
static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \
- struct kobject *kobj, struct bin_attribute *attr, char *buf, \
- loff_t off, size_t count) \
+ struct kobject *kobj, const struct bin_attribute *attr, \
+ char *buf, loff_t off, size_t count) \
{ \
return kovaplus_sysfs_read(fp, kobj, buf, off, count, \
KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
@@ -195,7 +193,7 @@ KOVAPLUS_SYSFS_R(thingy, THINGY)
#define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
KOVAPLUS_SYSFS_RW(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
.attr = { .name = #thingy, .mode = 0660 }, \
.size = KOVAPLUS_SIZE_ ## THINGY, \
.read = kovaplus_sysfs_read_ ## thingy, \
@@ -204,7 +202,7 @@ static struct bin_attribute bin_attr_##thingy = { \
#define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
KOVAPLUS_SYSFS_W(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
.attr = { .name = #thingy, .mode = 0220 }, \
.size = KOVAPLUS_SIZE_ ## THINGY, \
.write = kovaplus_sysfs_write_ ## thingy \
@@ -215,8 +213,8 @@ KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
+ 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 usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
@@ -233,8 +231,8 @@ static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
}
static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
+ 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 usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
@@ -251,13 +249,13 @@ static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
}
#define PROFILE_ATTR(number) \
-static struct bin_attribute bin_attr_profile##number##_settings = { \
+static const struct bin_attribute bin_attr_profile##number##_settings = { \
.attr = { .name = "profile" #number "_settings", .mode = 0440 }, \
.size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \
.read = kovaplus_sysfs_read_profilex_settings, \
.private = &profile_numbers[number-1], \
}; \
-static struct bin_attribute bin_attr_profile##number##_buttons = { \
+static const struct bin_attribute bin_attr_profile##number##_buttons = { \
.attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \
.size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \
.read = kovaplus_sysfs_read_profilex_buttons, \
@@ -274,7 +272,7 @@ static ssize_t kovaplus_sysfs_show_actual_profile(struct device *dev,
{
struct kovaplus_device *kovaplus =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_profile);
+ return sysfs_emit(buf, "%d\n", kovaplus->actual_profile);
}
static ssize_t kovaplus_sysfs_set_actual_profile(struct device *dev,
@@ -327,7 +325,7 @@ static ssize_t kovaplus_sysfs_show_actual_cpi(struct device *dev,
{
struct kovaplus_device *kovaplus =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_cpi);
+ return sysfs_emit(buf, "%d\n", kovaplus->actual_cpi);
}
static DEVICE_ATTR(actual_cpi, 0440, kovaplus_sysfs_show_actual_cpi, NULL);
@@ -336,7 +334,7 @@ static ssize_t kovaplus_sysfs_show_actual_sensitivity_x(struct device *dev,
{
struct kovaplus_device *kovaplus =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_x_sensitivity);
+ return sysfs_emit(buf, "%d\n", kovaplus->actual_x_sensitivity);
}
static DEVICE_ATTR(actual_sensitivity_x, 0440,
kovaplus_sysfs_show_actual_sensitivity_x, NULL);
@@ -346,7 +344,7 @@ static ssize_t kovaplus_sysfs_show_actual_sensitivity_y(struct device *dev,
{
struct kovaplus_device *kovaplus =
hid_get_drvdata(dev_get_drvdata(dev->parent->parent));
- return snprintf(buf, PAGE_SIZE, "%d\n", kovaplus->actual_y_sensitivity);
+ return sysfs_emit(buf, "%d\n", kovaplus->actual_y_sensitivity);
}
static DEVICE_ATTR(actual_sensitivity_y, 0440,
kovaplus_sysfs_show_actual_sensitivity_y, NULL);
@@ -367,7 +365,7 @@ static ssize_t kovaplus_sysfs_show_firmware_version(struct device *dev,
&info, KOVAPLUS_SIZE_INFO);
mutex_unlock(&kovaplus->kovaplus_lock);
- return snprintf(buf, PAGE_SIZE, "%d\n", info.firmware_version);
+ return sysfs_emit(buf, "%d\n", info.firmware_version);
}
static DEVICE_ATTR(firmware_version, 0440,
kovaplus_sysfs_show_firmware_version, NULL);
@@ -381,7 +379,7 @@ static struct attribute *kovaplus_attrs[] = {
NULL,
};
-static struct bin_attribute *kovaplus_bin_attributes[] = {
+static const struct bin_attribute *const kovaplus_bin_attributes[] = {
&bin_attr_control,
&bin_attr_info,
&bin_attr_profile_settings,
@@ -409,6 +407,11 @@ static const struct attribute_group *kovaplus_groups[] = {
NULL,
};
+static const struct class kovaplus_class = {
+ .name = "kovaplus",
+ .dev_groups = kovaplus_groups,
+};
+
static int kovaplus_init_kovaplus_device_struct(struct usb_device *usb_dev,
struct kovaplus_device *kovaplus)
{
@@ -463,8 +466,8 @@ static int kovaplus_init_specials(struct hid_device *hdev)
goto exit_free;
}
- retval = roccat_connect(kovaplus_class, hdev,
- sizeof(struct kovaplus_roccat_report));
+ retval = roccat_connect(&kovaplus_class, hdev,
+ sizeof(struct kovaplus_roccat_report));
if (retval < 0) {
hid_err(hdev, "couldn't init char dev\n");
} else {
@@ -638,21 +641,20 @@ static int __init kovaplus_init(void)
{
int retval;
- kovaplus_class = class_create(THIS_MODULE, "kovaplus");
- if (IS_ERR(kovaplus_class))
- return PTR_ERR(kovaplus_class);
- kovaplus_class->dev_groups = kovaplus_groups;
+ retval = class_register(&kovaplus_class);
+ if (retval)
+ return retval;
retval = hid_register_driver(&kovaplus_driver);
if (retval)
- class_destroy(kovaplus_class);
+ class_unregister(&kovaplus_class);
return retval;
}
static void __exit kovaplus_exit(void)
{
hid_unregister_driver(&kovaplus_driver);
- class_destroy(kovaplus_class);
+ class_unregister(&kovaplus_class);
}
module_init(kovaplus_init);