arm64: dts: rockchip: rk3399: add aclk_gpu init freq

[firefly-linux-kernel-4.4.55.git] / drivers / hid / hid-roccat-common.c

diff --git a/drivers/hid/hid-roccat-common.c b/drivers/hid/hid-roccat-common.c
index e84089998900b783d22bb577f84079a4e71e8256..02e28e9f4ea7dcb64165df74ee20be1faccc92ac 100644 (file)
--- a/drivers/hid/hid-roccat-common.c
+++ b/drivers/hid/hid-roccat-common.c
@@ -122,6 +122,59 @@ int roccat_common2_send_with_status(struct usb_device *usb_dev,
 }
 EXPORT_SYMBOL_GPL(roccat_common2_send_with_status);
 
+int roccat_common2_device_init_struct(struct usb_device *usb_dev,
+               struct roccat_common2_device *dev)
+{
+       mutex_init(&dev->lock);
+       return 0;
+}
+EXPORT_SYMBOL_GPL(roccat_common2_device_init_struct);
+
+ssize_t roccat_common2_sysfs_read(struct file *fp, struct kobject *kobj,
+               char *buf, loff_t off, size_t count,
+               size_t real_size, uint command)
+{
+       struct device *dev =
+                       container_of(kobj, struct device, kobj)->parent->parent;
+       struct roccat_common2_device *roccat_dev = hid_get_drvdata(dev_get_drvdata(dev));
+       struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+       int retval;
+
+       if (off >= real_size)
+               return 0;
+
+       if (off != 0 || count != real_size)
+               return -EINVAL;
+
+       mutex_lock(&roccat_dev->lock);
+       retval = roccat_common2_receive(usb_dev, command, buf, real_size);
+       mutex_unlock(&roccat_dev->lock);
+
+       return retval ? retval : real_size;
+}
+EXPORT_SYMBOL_GPL(roccat_common2_sysfs_read);
+
+ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj,
+               void const *buf, loff_t off, size_t count,
+               size_t real_size, uint command)
+{
+       struct device *dev =
+                       container_of(kobj, struct device, kobj)->parent->parent;
+       struct roccat_common2_device *roccat_dev = hid_get_drvdata(dev_get_drvdata(dev));
+       struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
+       int retval;
+
+       if (off != 0 || count != real_size)
+               return -EINVAL;
+
+       mutex_lock(&roccat_dev->lock);
+       retval = roccat_common2_send_with_status(usb_dev, command, buf, real_size);
+       mutex_unlock(&roccat_dev->lock);
+
+       return retval ? retval : real_size;
+}
+EXPORT_SYMBOL_GPL(roccat_common2_sysfs_write);
+
 MODULE_AUTHOR("Stefan Achatz");
 MODULE_DESCRIPTION("USB Roccat common driver");
 MODULE_LICENSE("GPL v2");