79 	struct appledisplay *pdata = urb->context;  in appledisplay_complete()  local
80 	struct device *dev = &pdata->udev->dev;  in appledisplay_complete()
91 			ACD_URB_BUFFER_LEN, pdata->urb->actual_length);  in appledisplay_complete()
106 	switch(pdata->urbdata[1]) {  in appledisplay_complete()
109 		pdata->button_pressed = 1;  in appledisplay_complete()
110 		schedule_delayed_work(&pdata->work, 0);  in appledisplay_complete()
114 		pdata->button_pressed = 0;  in appledisplay_complete()
119 	retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);  in appledisplay_complete()
128 	struct appledisplay *pdata = bl_get_data(bd);  in appledisplay_bl_update_status()  local
131 	mutex_lock(&pdata->sysfslock);  in appledisplay_bl_update_status()
132 	pdata->msgdata[0] = 0x10;  in appledisplay_bl_update_status()
133 	pdata->msgdata[1] = bd->props.brightness;  in appledisplay_bl_update_status()
136 		pdata->udev,  in appledisplay_bl_update_status()
137 		usb_sndctrlpipe(pdata->udev, 0),  in appledisplay_bl_update_status()
142 		pdata->msgdata, 2,  in appledisplay_bl_update_status()
144 	mutex_unlock(&pdata->sysfslock);  in appledisplay_bl_update_status()
154 	struct appledisplay *pdata = bl_get_data(bd);  in appledisplay_bl_get_brightness()  local
157 	mutex_lock(&pdata->sysfslock);  in appledisplay_bl_get_brightness()
159 		pdata->udev,  in appledisplay_bl_get_brightness()
160 		usb_rcvctrlpipe(pdata->udev, 0),  in appledisplay_bl_get_brightness()
165 		pdata->msgdata, 2,  in appledisplay_bl_get_brightness()
171 		brightness = pdata->msgdata[1];  in appledisplay_bl_get_brightness()
173 	mutex_unlock(&pdata->sysfslock);  in appledisplay_bl_get_brightness()
188 	struct appledisplay *pdata =  in appledisplay_work()  local
192 	retval = appledisplay_bl_get_brightness(pdata->bd);  in appledisplay_work()
194 		pdata->bd->props.brightness = retval;  in appledisplay_work()
197 	if (pdata->button_pressed)  in appledisplay_work()
198 		schedule_delayed_work(&pdata->work, HZ / 8);  in appledisplay_work()
205 	struct appledisplay *pdata;  in appledisplay_probe()  local
223 	pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL);  in appledisplay_probe()
224 	if (!pdata) {  in appledisplay_probe()
229 	pdata->udev = udev;  in appledisplay_probe()
231 	INIT_DELAYED_WORK(&pdata->work, appledisplay_work);  in appledisplay_probe()
232 	mutex_init(&pdata->sysfslock);  in appledisplay_probe()
235 	pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL);  in appledisplay_probe()
236 	if (!pdata->msgdata) {  in appledisplay_probe()
242 	pdata->urb = usb_alloc_urb(0, GFP_KERNEL);  in appledisplay_probe()
243 	if (!pdata->urb) {  in appledisplay_probe()
249 	pdata->urbdata = usb_alloc_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_probe()
250 		GFP_KERNEL, &pdata->urb->transfer_dma);  in appledisplay_probe()
251 	if (!pdata->urbdata) {  in appledisplay_probe()
258 	usb_fill_int_urb(pdata->urb, udev,  in appledisplay_probe()
260 		pdata->urbdata, ACD_URB_BUFFER_LEN, appledisplay_complete,  in appledisplay_probe()
261 		pdata, 1);  in appledisplay_probe()
262 	pdata->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in appledisplay_probe()
263 	if (usb_submit_urb(pdata->urb, GFP_KERNEL)) {  in appledisplay_probe()
275 	pdata->bd = backlight_device_register(bl_name, NULL, pdata,  in appledisplay_probe()
277 	if (IS_ERR(pdata->bd)) {  in appledisplay_probe()
279 		retval = PTR_ERR(pdata->bd);  in appledisplay_probe()
284 	brightness = appledisplay_bl_get_brightness(pdata->bd);  in appledisplay_probe()
294 	pdata->bd->props.brightness = brightness;  in appledisplay_probe()
297 	usb_set_intfdata(iface, pdata);  in appledisplay_probe()
304 	if (pdata) {  in appledisplay_probe()
305 		if (pdata->urb) {  in appledisplay_probe()
306 			usb_kill_urb(pdata->urb);  in appledisplay_probe()
307 			cancel_delayed_work_sync(&pdata->work);  in appledisplay_probe()
308 			usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_probe()
309 					pdata->urbdata, pdata->urb->transfer_dma);  in appledisplay_probe()
310 			usb_free_urb(pdata->urb);  in appledisplay_probe()
312 		if (!IS_ERR(pdata->bd))  in appledisplay_probe()
313 			backlight_device_unregister(pdata->bd);  in appledisplay_probe()
314 		kfree(pdata->msgdata);  in appledisplay_probe()
317 	kfree(pdata);  in appledisplay_probe()
323 	struct appledisplay *pdata = usb_get_intfdata(iface);  in appledisplay_disconnect()  local
325 	if (pdata) {  in appledisplay_disconnect()
326 		usb_kill_urb(pdata->urb);  in appledisplay_disconnect()
327 		cancel_delayed_work_sync(&pdata->work);  in appledisplay_disconnect()
328 		backlight_device_unregister(pdata->bd);  in appledisplay_disconnect()
329 		usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_disconnect()
330 			pdata->urbdata, pdata->urb->transfer_dma);  in appledisplay_disconnect()
331 		usb_free_urb(pdata->urb);  in appledisplay_disconnect()
332 		kfree(pdata->msgdata);  in appledisplay_disconnect()
333 		kfree(pdata);  in appledisplay_disconnect()