92 	struct appledisplay *pdata = urb->context;  in appledisplay_complete()  local
93 	struct device *dev = &pdata->udev->dev;  in appledisplay_complete()
105 			ACD_URB_BUFFER_LEN, pdata->urb->actual_length);  in appledisplay_complete()
119 	spin_lock_irqsave(&pdata->lock, flags);  in appledisplay_complete()
121 	switch(pdata->urbdata[1]) {  in appledisplay_complete()
124 		pdata->button_pressed = 1;  in appledisplay_complete()
125 		queue_delayed_work(wq, &pdata->work, 0);  in appledisplay_complete()
129 		pdata->button_pressed = 0;  in appledisplay_complete()
133 	spin_unlock_irqrestore(&pdata->lock, flags);  in appledisplay_complete()
136 	retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);  in appledisplay_complete()
145 	struct appledisplay *pdata = bl_get_data(bd);  in appledisplay_bl_update_status()  local
148 	mutex_lock(&pdata->sysfslock);  in appledisplay_bl_update_status()
149 	pdata->msgdata[0] = 0x10;  in appledisplay_bl_update_status()
150 	pdata->msgdata[1] = bd->props.brightness;  in appledisplay_bl_update_status()
153 		pdata->udev,  in appledisplay_bl_update_status()
154 		usb_sndctrlpipe(pdata->udev, 0),  in appledisplay_bl_update_status()
159 		pdata->msgdata, 2,  in appledisplay_bl_update_status()
161 	mutex_unlock(&pdata->sysfslock);  in appledisplay_bl_update_status()
168 	struct appledisplay *pdata = bl_get_data(bd);  in appledisplay_bl_get_brightness()  local
171 	mutex_lock(&pdata->sysfslock);  in appledisplay_bl_get_brightness()
173 		pdata->udev,  in appledisplay_bl_get_brightness()
174 		usb_rcvctrlpipe(pdata->udev, 0),  in appledisplay_bl_get_brightness()
179 		pdata->msgdata, 2,  in appledisplay_bl_get_brightness()
181 	brightness = pdata->msgdata[1];  in appledisplay_bl_get_brightness()
182 	mutex_unlock(&pdata->sysfslock);  in appledisplay_bl_get_brightness()
197 	struct appledisplay *pdata =  in appledisplay_work()  local
201 	retval = appledisplay_bl_get_brightness(pdata->bd);  in appledisplay_work()
203 		pdata->bd->props.brightness = retval;  in appledisplay_work()
206 	if (pdata->button_pressed)  in appledisplay_work()
207 		schedule_delayed_work(&pdata->work, HZ / 8);  in appledisplay_work()
214 	struct appledisplay *pdata;  in appledisplay_probe()  local
239 	pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL);  in appledisplay_probe()
240 	if (!pdata) {  in appledisplay_probe()
246 	pdata->udev = udev;  in appledisplay_probe()
248 	spin_lock_init(&pdata->lock);  in appledisplay_probe()
249 	INIT_DELAYED_WORK(&pdata->work, appledisplay_work);  in appledisplay_probe()
250 	mutex_init(&pdata->sysfslock);  in appledisplay_probe()
253 	pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL);  in appledisplay_probe()
254 	if (!pdata->msgdata) {  in appledisplay_probe()
262 	pdata->urb = usb_alloc_urb(0, GFP_KERNEL);  in appledisplay_probe()
263 	if (!pdata->urb) {  in appledisplay_probe()
270 	pdata->urbdata = usb_alloc_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_probe()
271 		GFP_KERNEL, &pdata->urb->transfer_dma);  in appledisplay_probe()
272 	if (!pdata->urbdata) {  in appledisplay_probe()
279 	usb_fill_int_urb(pdata->urb, udev,  in appledisplay_probe()
281 		pdata->urbdata, ACD_URB_BUFFER_LEN, appledisplay_complete,  in appledisplay_probe()
282 		pdata, 1);  in appledisplay_probe()
283 	if (usb_submit_urb(pdata->urb, GFP_KERNEL)) {  in appledisplay_probe()
295 	pdata->bd = backlight_device_register(bl_name, NULL, pdata,  in appledisplay_probe()
297 	if (IS_ERR(pdata->bd)) {  in appledisplay_probe()
299 		retval = PTR_ERR(pdata->bd);  in appledisplay_probe()
304 	brightness = appledisplay_bl_get_brightness(pdata->bd);  in appledisplay_probe()
314 	pdata->bd->props.brightness = brightness;  in appledisplay_probe()
317 	usb_set_intfdata(iface, pdata);  in appledisplay_probe()
324 	if (pdata) {  in appledisplay_probe()
325 		if (pdata->urb) {  in appledisplay_probe()
326 			usb_kill_urb(pdata->urb);  in appledisplay_probe()
327 			if (pdata->urbdata)  in appledisplay_probe()
328 				usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_probe()
329 					pdata->urbdata, pdata->urb->transfer_dma);  in appledisplay_probe()
330 			usb_free_urb(pdata->urb);  in appledisplay_probe()
332 		if (!IS_ERR(pdata->bd))  in appledisplay_probe()
333 			backlight_device_unregister(pdata->bd);  in appledisplay_probe()
334 		kfree(pdata->msgdata);  in appledisplay_probe()
337 	kfree(pdata);  in appledisplay_probe()
343 	struct appledisplay *pdata = usb_get_intfdata(iface);  in appledisplay_disconnect()  local
345 	if (pdata) {  in appledisplay_disconnect()
346 		usb_kill_urb(pdata->urb);  in appledisplay_disconnect()
347 		cancel_delayed_work(&pdata->work);  in appledisplay_disconnect()
348 		backlight_device_unregister(pdata->bd);  in appledisplay_disconnect()
349 		usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_disconnect()
350 			pdata->urbdata, pdata->urb->transfer_dma);  in appledisplay_disconnect()
351 		usb_free_urb(pdata->urb);  in appledisplay_disconnect()
352 		kfree(pdata->msgdata);  in appledisplay_disconnect()
353 		kfree(pdata);  in appledisplay_disconnect()