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authorStefan Achatz <erazor_de@users.sourceforge.net>2013-10-28 18:52:05 +0100
committerJiri Kosina <jkosina@suse.cz>2013-10-30 14:17:31 +0100
commit71304f5a269abc25b9277744dfd6925f3e29e26a (patch)
tree1a6f6b7d9480a19f9a2a2d9bc7f6b6bc6dfe178f /drivers/hid/hid-roccat-common.c
parent14fc4290df2fb94a28f39dab9ed32feaa5527bef (diff)
downloadlinux-71304f5a269abc25b9277744dfd6925f3e29e26a.tar.bz2
HID: roccat: generalize some common code
Reduced some duplicate code by moving it to hid-roccat-common. Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-roccat-common.c')
-rw-r--r--drivers/hid/hid-roccat-common.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/hid/hid-roccat-common.c b/drivers/hid/hid-roccat-common.c
index e84089998900..02e28e9f4ea7 100644
--- 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");