78 	struct appledisplay *pdata = urb->context;  in appledisplay_complete()  local
79 	struct device *dev = &pdata->udev->dev;  in appledisplay_complete()
91 			ACD_URB_BUFFER_LEN, pdata->urb->actual_length);  in appledisplay_complete()
106 	spin_lock_irqsave(&pdata->lock, flags);  in appledisplay_complete()
108 	switch(pdata->urbdata[1]) {  in appledisplay_complete()
111 		pdata->button_pressed = 1;  in appledisplay_complete()
112 		schedule_delayed_work(&pdata->work, 0);  in appledisplay_complete()
116 		pdata->button_pressed = 0;  in appledisplay_complete()
120 	spin_unlock_irqrestore(&pdata->lock, flags);  in appledisplay_complete()
123 	retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);  in appledisplay_complete()
132 	struct appledisplay *pdata = bl_get_data(bd);  in appledisplay_bl_update_status()  local
135 	mutex_lock(&pdata->sysfslock);  in appledisplay_bl_update_status()
136 	pdata->msgdata[0] = 0x10;  in appledisplay_bl_update_status()
137 	pdata->msgdata[1] = bd->props.brightness;  in appledisplay_bl_update_status()
140 		pdata->udev,  in appledisplay_bl_update_status()
141 		usb_sndctrlpipe(pdata->udev, 0),  in appledisplay_bl_update_status()
146 		pdata->msgdata, 2,  in appledisplay_bl_update_status()
148 	mutex_unlock(&pdata->sysfslock);  in appledisplay_bl_update_status()
155 	struct appledisplay *pdata = bl_get_data(bd);  in appledisplay_bl_get_brightness()  local
158 	mutex_lock(&pdata->sysfslock);  in appledisplay_bl_get_brightness()
160 		pdata->udev,  in appledisplay_bl_get_brightness()
161 		usb_rcvctrlpipe(pdata->udev, 0),  in appledisplay_bl_get_brightness()
166 		pdata->msgdata, 2,  in appledisplay_bl_get_brightness()
168 	brightness = pdata->msgdata[1];  in appledisplay_bl_get_brightness()
169 	mutex_unlock(&pdata->sysfslock);  in appledisplay_bl_get_brightness()
184 	struct appledisplay *pdata =  in appledisplay_work()  local
188 	retval = appledisplay_bl_get_brightness(pdata->bd);  in appledisplay_work()
190 		pdata->bd->props.brightness = retval;  in appledisplay_work()
193 	if (pdata->button_pressed)  in appledisplay_work()
194 		schedule_delayed_work(&pdata->work, HZ / 8);  in appledisplay_work()
201 	struct appledisplay *pdata;  in appledisplay_probe()  local
219 	pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL);  in appledisplay_probe()
220 	if (!pdata) {  in appledisplay_probe()
225 	pdata->udev = udev;  in appledisplay_probe()
227 	spin_lock_init(&pdata->lock);  in appledisplay_probe()
228 	INIT_DELAYED_WORK(&pdata->work, appledisplay_work);  in appledisplay_probe()
229 	mutex_init(&pdata->sysfslock);  in appledisplay_probe()
232 	pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL);  in appledisplay_probe()
233 	if (!pdata->msgdata) {  in appledisplay_probe()
239 	pdata->urb = usb_alloc_urb(0, GFP_KERNEL);  in appledisplay_probe()
240 	if (!pdata->urb) {  in appledisplay_probe()
246 	pdata->urbdata = usb_alloc_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_probe()
247 		GFP_KERNEL, &pdata->urb->transfer_dma);  in appledisplay_probe()
248 	if (!pdata->urbdata) {  in appledisplay_probe()
255 	usb_fill_int_urb(pdata->urb, udev,  in appledisplay_probe()
257 		pdata->urbdata, ACD_URB_BUFFER_LEN, appledisplay_complete,  in appledisplay_probe()
258 		pdata, 1);  in appledisplay_probe()
259 	if (usb_submit_urb(pdata->urb, GFP_KERNEL)) {  in appledisplay_probe()
271 	pdata->bd = backlight_device_register(bl_name, NULL, pdata,  in appledisplay_probe()
273 	if (IS_ERR(pdata->bd)) {  in appledisplay_probe()
275 		retval = PTR_ERR(pdata->bd);  in appledisplay_probe()
280 	brightness = appledisplay_bl_get_brightness(pdata->bd);  in appledisplay_probe()
290 	pdata->bd->props.brightness = brightness;  in appledisplay_probe()
293 	usb_set_intfdata(iface, pdata);  in appledisplay_probe()
300 	if (pdata) {  in appledisplay_probe()
301 		if (pdata->urb) {  in appledisplay_probe()
302 			usb_kill_urb(pdata->urb);  in appledisplay_probe()
303 			if (pdata->urbdata)  in appledisplay_probe()
304 				usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_probe()
305 					pdata->urbdata, pdata->urb->transfer_dma);  in appledisplay_probe()
306 			usb_free_urb(pdata->urb);  in appledisplay_probe()
308 		if (!IS_ERR(pdata->bd))  in appledisplay_probe()
309 			backlight_device_unregister(pdata->bd);  in appledisplay_probe()
310 		kfree(pdata->msgdata);  in appledisplay_probe()
313 	kfree(pdata);  in appledisplay_probe()
319 	struct appledisplay *pdata = usb_get_intfdata(iface);  in appledisplay_disconnect()  local
321 	if (pdata) {  in appledisplay_disconnect()
322 		usb_kill_urb(pdata->urb);  in appledisplay_disconnect()
323 		cancel_delayed_work_sync(&pdata->work);  in appledisplay_disconnect()
324 		backlight_device_unregister(pdata->bd);  in appledisplay_disconnect()
325 		usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_disconnect()
326 			pdata->urbdata, pdata->urb->transfer_dma);  in appledisplay_disconnect()
327 		usb_free_urb(pdata->urb);  in appledisplay_disconnect()
328 		kfree(pdata->msgdata);  in appledisplay_disconnect()
329 		kfree(pdata);  in appledisplay_disconnect()