219 static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val)  in acpi_pcc_write_sset()  argument
233 	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SSET,  in acpi_pcc_write_sset()
255 static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc)  in acpi_pcc_retrieve_biosdata()  argument
262 	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, NULL,  in acpi_pcc_retrieve_biosdata()
277 	if (pcc->num_sifr < hkey->package.count) {  in acpi_pcc_retrieve_biosdata()
287 			pcc->sinf[i] = element->integer.value;  in acpi_pcc_retrieve_biosdata()
292 	pcc->sinf[hkey->package.count] = -1;  in acpi_pcc_retrieve_biosdata()
308 	struct pcc_acpi *pcc = bl_get_data(bd);  in bl_get()  local
310 	if (!acpi_pcc_retrieve_biosdata(pcc))  in bl_get()
313 	return pcc->sinf[SINF_AC_CUR_BRIGHT];  in bl_get()
318 	struct pcc_acpi *pcc = bl_get_data(bd);  in bl_set_status()  local
322 	if (!acpi_pcc_retrieve_biosdata(pcc))  in bl_set_status()
325 	if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT])  in bl_set_status()
326 		bright = pcc->sinf[SINF_AC_MIN_BRIGHT];  in bl_set_status()
328 	if (bright < pcc->sinf[SINF_DC_MIN_BRIGHT])  in bl_set_status()
329 		bright = pcc->sinf[SINF_DC_MIN_BRIGHT];  in bl_set_status()
331 	if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT] ||  in bl_set_status()
332 	    bright > pcc->sinf[SINF_AC_MAX_BRIGHT])  in bl_set_status()
335 	rc = acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, bright);  in bl_set_status()
339 	return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright);  in bl_set_status()
354 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in show_numbatt()  local
356 	if (!acpi_pcc_retrieve_biosdata(pcc))  in show_numbatt()
359 	return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);  in show_numbatt()
366 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in show_lcdtype()  local
368 	if (!acpi_pcc_retrieve_biosdata(pcc))  in show_lcdtype()
371 	return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_LCD_TYPE]);  in show_lcdtype()
378 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in show_mute()  local
380 	if (!acpi_pcc_retrieve_biosdata(pcc))  in show_mute()
383 	return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_MUTE]);  in show_mute()
390 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in show_sticky()  local
392 	if (!acpi_pcc_retrieve_biosdata(pcc))  in show_sticky()
395 	return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_STICKY_KEY]);  in show_sticky()
402 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in set_sticky()  local
407 		acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, val);  in set_sticky()
408 		pcc->sticky_mode = val;  in set_sticky()
436 static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)  in acpi_pcc_generate_keyinput()  argument
438 	struct input_dev *hotk_input_dev = pcc->input_dev;  in acpi_pcc_generate_keyinput()
442 	rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY,  in acpi_pcc_generate_keyinput()
467 	struct pcc_acpi *pcc = acpi_driver_data(device);  in acpi_pcc_hotkey_notify()  local
471 		acpi_pcc_generate_keyinput(pcc);  in acpi_pcc_hotkey_notify()
479 static int acpi_pcc_init_input(struct pcc_acpi *pcc)  in acpi_pcc_init_input()  argument
509 	pcc->input_dev = input_dev;  in acpi_pcc_init_input()
522 	struct pcc_acpi *pcc;  in acpi_pcc_hotkey_resume()  local
527 	pcc = acpi_driver_data(to_acpi_device(dev));  in acpi_pcc_hotkey_resume()
528 	if (!pcc)  in acpi_pcc_hotkey_resume()
532 			  pcc->sticky_mode));  in acpi_pcc_hotkey_resume()
534 	return acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_mode);  in acpi_pcc_hotkey_resume()
541 	struct pcc_acpi *pcc;  in acpi_pcc_hotkey_add()  local
554 	pcc = kzalloc(sizeof(struct pcc_acpi), GFP_KERNEL);  in acpi_pcc_hotkey_add()
555 	if (!pcc) {  in acpi_pcc_hotkey_add()
561 	pcc->sinf = kcalloc(num_sifr + 1, sizeof(u32), GFP_KERNEL);  in acpi_pcc_hotkey_add()
562 	if (!pcc->sinf) {  in acpi_pcc_hotkey_add()
567 	pcc->device = device;  in acpi_pcc_hotkey_add()
568 	pcc->handle = device->handle;  in acpi_pcc_hotkey_add()
569 	pcc->num_sifr = num_sifr;  in acpi_pcc_hotkey_add()
570 	device->driver_data = pcc;  in acpi_pcc_hotkey_add()
574 	result = acpi_pcc_init_input(pcc);  in acpi_pcc_hotkey_add()
581 	if (!acpi_pcc_retrieve_biosdata(pcc)) {  in acpi_pcc_hotkey_add()
590 	props.max_brightness = pcc->sinf[SINF_AC_MAX_BRIGHT];  in acpi_pcc_hotkey_add()
591 	pcc->backlight = backlight_device_register("panasonic", NULL, pcc,  in acpi_pcc_hotkey_add()
593 	if (IS_ERR(pcc->backlight)) {  in acpi_pcc_hotkey_add()
594 		result = PTR_ERR(pcc->backlight);  in acpi_pcc_hotkey_add()
599 	pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT];  in acpi_pcc_hotkey_add()
602 	pcc->sticky_mode = pcc->sinf[SINF_STICKY_KEY];  in acpi_pcc_hotkey_add()
612 	backlight_device_unregister(pcc->backlight);  in acpi_pcc_hotkey_add()
614 	input_unregister_device(pcc->input_dev);  in acpi_pcc_hotkey_add()
616 	kfree(pcc->sinf);  in acpi_pcc_hotkey_add()
618 	kfree(pcc);  in acpi_pcc_hotkey_add()
625 	struct pcc_acpi *pcc = acpi_driver_data(device);  in acpi_pcc_hotkey_remove()  local
627 	if (!device || !pcc)  in acpi_pcc_hotkey_remove()
632 	backlight_device_unregister(pcc->backlight);  in acpi_pcc_hotkey_remove()
634 	input_unregister_device(pcc->input_dev);  in acpi_pcc_hotkey_remove()
636 	kfree(pcc->sinf);  in acpi_pcc_hotkey_remove()
637 	kfree(pcc);  in acpi_pcc_hotkey_remove()