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()
114 		if (pdata->bd )  in appledisplay_complete()
115 			schedule_delayed_work(&pdata->work, 0);  in appledisplay_complete()
119 		pdata->button_pressed = 0;  in appledisplay_complete()
124 	retval = usb_submit_urb(pdata->urb, GFP_ATOMIC);  in appledisplay_complete()
133 	struct appledisplay *pdata = bl_get_data(bd);  in appledisplay_bl_update_status()  local
136 	mutex_lock(&pdata->sysfslock);  in appledisplay_bl_update_status()
137 	pdata->msgdata[0] = 0x10;  in appledisplay_bl_update_status()
138 	pdata->msgdata[1] = bd->props.brightness;  in appledisplay_bl_update_status()
141 		pdata->udev,  in appledisplay_bl_update_status()
142 		usb_sndctrlpipe(pdata->udev, 0),  in appledisplay_bl_update_status()
147 		pdata->msgdata, 2,  in appledisplay_bl_update_status()
149 	mutex_unlock(&pdata->sysfslock);  in appledisplay_bl_update_status()
159 	struct appledisplay *pdata = bl_get_data(bd);  in appledisplay_bl_get_brightness()  local
162 	mutex_lock(&pdata->sysfslock);  in appledisplay_bl_get_brightness()
164 		pdata->udev,  in appledisplay_bl_get_brightness()
165 		usb_rcvctrlpipe(pdata->udev, 0),  in appledisplay_bl_get_brightness()
170 		pdata->msgdata, 2,  in appledisplay_bl_get_brightness()
176 		brightness = pdata->msgdata[1];  in appledisplay_bl_get_brightness()
178 	mutex_unlock(&pdata->sysfslock);  in appledisplay_bl_get_brightness()
193 	struct appledisplay *pdata =  in appledisplay_work()  local
197 	retval = appledisplay_bl_get_brightness(pdata->bd);  in appledisplay_work()
199 		pdata->bd->props.brightness = retval;  in appledisplay_work()
202 	if (pdata->button_pressed)  in appledisplay_work()
203 		schedule_delayed_work(&pdata->work, HZ / 8);  in appledisplay_work()
211 	struct appledisplay *pdata;  in appledisplay_probe()  local
229 	pdata = kzalloc(sizeof(struct appledisplay), GFP_KERNEL);  in appledisplay_probe()
230 	if (!pdata) {  in appledisplay_probe()
235 	pdata->udev = udev;  in appledisplay_probe()
237 	INIT_DELAYED_WORK(&pdata->work, appledisplay_work);  in appledisplay_probe()
238 	mutex_init(&pdata->sysfslock);  in appledisplay_probe()
241 	pdata->msgdata = kmalloc(ACD_MSG_BUFFER_LEN, GFP_KERNEL);  in appledisplay_probe()
242 	if (!pdata->msgdata) {  in appledisplay_probe()
248 	pdata->urb = usb_alloc_urb(0, GFP_KERNEL);  in appledisplay_probe()
249 	if (!pdata->urb) {  in appledisplay_probe()
255 	pdata->urbdata = usb_alloc_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_probe()
256 		GFP_KERNEL, &pdata->urb->transfer_dma);  in appledisplay_probe()
257 	if (!pdata->urbdata) {  in appledisplay_probe()
264 	usb_fill_int_urb(pdata->urb, udev,  in appledisplay_probe()
266 		pdata->urbdata, ACD_URB_BUFFER_LEN, appledisplay_complete,  in appledisplay_probe()
267 		pdata, 1);  in appledisplay_probe()
268 	pdata->urb->transfer_flags = URB_NO_TRANSFER_DMA_MAP;  in appledisplay_probe()
269 	if (usb_submit_urb(pdata->urb, GFP_KERNEL)) {  in appledisplay_probe()
281 	backlight = backlight_device_register(bl_name, NULL, pdata,  in appledisplay_probe()
288 	pdata->bd = backlight;  in appledisplay_probe()
291 	brightness = appledisplay_bl_get_brightness(pdata->bd);  in appledisplay_probe()
301 	pdata->bd->props.brightness = brightness;  in appledisplay_probe()
304 	usb_set_intfdata(iface, pdata);  in appledisplay_probe()
311 	if (pdata) {  in appledisplay_probe()
312 		if (pdata->urb) {  in appledisplay_probe()
313 			usb_kill_urb(pdata->urb);  in appledisplay_probe()
314 			cancel_delayed_work_sync(&pdata->work);  in appledisplay_probe()
315 			usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_probe()
316 					pdata->urbdata, pdata->urb->transfer_dma);  in appledisplay_probe()
317 			usb_free_urb(pdata->urb);  in appledisplay_probe()
319 		if (!IS_ERR(pdata->bd))  in appledisplay_probe()
320 			backlight_device_unregister(pdata->bd);  in appledisplay_probe()
321 		kfree(pdata->msgdata);  in appledisplay_probe()
324 	kfree(pdata);  in appledisplay_probe()
330 	struct appledisplay *pdata = usb_get_intfdata(iface);  in appledisplay_disconnect()  local
332 	if (pdata) {  in appledisplay_disconnect()
333 		usb_kill_urb(pdata->urb);  in appledisplay_disconnect()
334 		cancel_delayed_work_sync(&pdata->work);  in appledisplay_disconnect()
335 		backlight_device_unregister(pdata->bd);  in appledisplay_disconnect()
336 		usb_free_coherent(pdata->udev, ACD_URB_BUFFER_LEN,  in appledisplay_disconnect()
337 			pdata->urbdata, pdata->urb->transfer_dma);  in appledisplay_disconnect()
338 		usb_free_urb(pdata->urb);  in appledisplay_disconnect()
339 		kfree(pdata->msgdata);  in appledisplay_disconnect()
340 		kfree(pdata);  in appledisplay_disconnect()