50 static int vendor_command(struct usb_device *dev, unsigned char request,   in vendor_command()  argument
54 	return usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),  in vendor_command()
67 static ssize_t brightness_show(struct device *dev, struct device_attribute *attr, char *buf)  in brightness_show()  argument
69 	struct usb_interface *intf = to_usb_interface(dev);      in brightness_show()
75 static ssize_t brightness_store(struct device *dev, struct device_attribute *attr, const char *buf,  in brightness_store()  argument
78 	struct usb_interface *intf = to_usb_interface(dev);  in brightness_store()
84 	buffer = kmalloc(8, GFP_KERNEL);  in brightness_store()
97 				cytherm->brightness, buffer, 8);  in brightness_store()
99 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in brightness_store()
102 				0x01, buffer, 8);  in brightness_store()
104 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in brightness_store()
116 static ssize_t temp_show(struct device *dev, struct device_attribute *attr, char *buf)  in temp_show()  argument
119 	struct usb_interface *intf = to_usb_interface(dev);  in temp_show()
127 	buffer = kmalloc(8, GFP_KERNEL);  in temp_show()
132 	retval = vendor_command(cytherm->udev, READ_RAM, TEMP, 0, buffer, 8);  in temp_show()
134 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in temp_show()
138 	retval = vendor_command(cytherm->udev, READ_RAM, SIGN, 0, buffer, 8);  in temp_show()
140 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in temp_show()
153 static ssize_t button_show(struct device *dev, struct device_attribute *attr, char *buf)  in button_show()  argument
156 	struct usb_interface *intf = to_usb_interface(dev);  in button_show()
162 	buffer = kmalloc(8, GFP_KERNEL);  in button_show()
167 	retval = vendor_command(cytherm->udev, READ_RAM, BUTTON, 0, buffer, 8);  in button_show()
169 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in button_show()
183 static ssize_t port0_show(struct device *dev, struct device_attribute *attr, char *buf)  in port0_show()  argument
185 	struct usb_interface *intf = to_usb_interface(dev);  in port0_show()
191 	buffer = kmalloc(8, GFP_KERNEL);  in port0_show()
195 	retval = vendor_command(cytherm->udev, READ_PORT, 0, 0, buffer, 8);  in port0_show()
197 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in port0_show()
207 static ssize_t port0_store(struct device *dev, struct device_attribute *attr, const char *buf, size…  in port0_store()  argument
209 	struct usb_interface *intf = to_usb_interface(dev);  in port0_store()
216 	buffer = kmalloc(8, GFP_KERNEL);  in port0_store()
228 				tmp, buffer, 8);  in port0_store()
230 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in port0_store()
238 static ssize_t port1_show(struct device *dev, struct device_attribute *attr, char *buf)  in port1_show()  argument
240 	struct usb_interface *intf = to_usb_interface(dev);  in port1_show()
246 	buffer = kmalloc(8, GFP_KERNEL);  in port1_show()
250 	retval = vendor_command(cytherm->udev, READ_PORT, 1, 0, buffer, 8);  in port1_show()
252 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in port1_show()
262 static ssize_t port1_store(struct device *dev, struct device_attribute *attr, const char *buf, size…  in port1_store()  argument
264 	struct usb_interface *intf = to_usb_interface(dev);  in port1_store()
271 	buffer = kmalloc(8, GFP_KERNEL);  in port1_store()
283 				tmp, buffer, 8);  in port1_store()
285 		dev_dbg(&cytherm->udev->dev, "retval = %d\n", retval);  in port1_store()
307 	struct usb_cytherm *dev;  in cytherm_probe()  local
310 	dev = kzalloc(sizeof(struct usb_cytherm), GFP_KERNEL);  in cytherm_probe()
311 	if (!dev)  in cytherm_probe()
314 	dev->udev = usb_get_dev(udev);  in cytherm_probe()
316 	usb_set_intfdata(interface, dev);  in cytherm_probe()
318 	dev->brightness = 0xFF;  in cytherm_probe()
320 	dev_info(&interface->dev,  in cytherm_probe()
330 	struct usb_cytherm *dev;  in cytherm_disconnect()  local
332 	dev = usb_get_intfdata(interface);  in cytherm_disconnect()
337 	usb_put_dev(dev->udev);  in cytherm_disconnect()
339 	kfree(dev);  in cytherm_disconnect()
341 	dev_info(&interface->dev, "Cypress thermometer now disconnected\n");  in cytherm_disconnect()