236 static int acpi_pcc_write_sset(struct pcc_acpi *pcc, int func, int val)  in acpi_pcc_write_sset()  argument
250 	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SSET,  in acpi_pcc_write_sset()
272 static int acpi_pcc_retrieve_biosdata(struct pcc_acpi *pcc)  in acpi_pcc_retrieve_biosdata()  argument
279 	status = acpi_evaluate_object(pcc->handle, METHOD_HKEY_SINF, NULL,  in acpi_pcc_retrieve_biosdata()
294 	if (pcc->num_sifr < hkey->package.count) {  in acpi_pcc_retrieve_biosdata()
304 			pcc->sinf[i] = element->integer.value;  in acpi_pcc_retrieve_biosdata()
309 	pcc->sinf[hkey->package.count] = -1;  in acpi_pcc_retrieve_biosdata()
325 	struct pcc_acpi *pcc = bl_get_data(bd);  in bl_get()  local
327 	if (!acpi_pcc_retrieve_biosdata(pcc))  in bl_get()
330 	return pcc->sinf[SINF_AC_CUR_BRIGHT];  in bl_get()
335 	struct pcc_acpi *pcc = bl_get_data(bd);  in bl_set_status()  local
339 	if (!acpi_pcc_retrieve_biosdata(pcc))  in bl_set_status()
342 	if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT])  in bl_set_status()
343 		bright = pcc->sinf[SINF_AC_MIN_BRIGHT];  in bl_set_status()
345 	if (bright < pcc->sinf[SINF_DC_MIN_BRIGHT])  in bl_set_status()
346 		bright = pcc->sinf[SINF_DC_MIN_BRIGHT];  in bl_set_status()
348 	if (bright < pcc->sinf[SINF_AC_MIN_BRIGHT] ||  in bl_set_status()
349 	    bright > pcc->sinf[SINF_AC_MAX_BRIGHT])  in bl_set_status()
352 	rc = acpi_pcc_write_sset(pcc, SINF_AC_CUR_BRIGHT, bright);  in bl_set_status()
356 	return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright);  in bl_set_status()
371 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in show_numbatt()  local
373 	if (!acpi_pcc_retrieve_biosdata(pcc))  in show_numbatt()
376 	return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);  in show_numbatt()
383 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in show_lcdtype()  local
385 	if (!acpi_pcc_retrieve_biosdata(pcc))  in show_lcdtype()
388 	return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_LCD_TYPE]);  in show_lcdtype()
395 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in show_mute()  local
397 	if (!acpi_pcc_retrieve_biosdata(pcc))  in show_mute()
400 	return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_MUTE]);  in show_mute()
407 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in show_sticky()  local
409 	if (!acpi_pcc_retrieve_biosdata(pcc))  in show_sticky()
412 	return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_STICKY_KEY]);  in show_sticky()
419 	struct pcc_acpi *pcc = acpi_driver_data(acpi);  in set_sticky()  local
424 		acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, val);  in set_sticky()
425 		pcc->sticky_mode = val;  in set_sticky()
453 static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)  in acpi_pcc_generate_keyinput()  argument
455 	struct input_dev *hotk_input_dev = pcc->input_dev;  in acpi_pcc_generate_keyinput()
459 	rc = acpi_evaluate_integer(pcc->handle, METHOD_HKEY_QUERY,  in acpi_pcc_generate_keyinput()
484 	struct pcc_acpi *pcc = acpi_driver_data(device);  in acpi_pcc_hotkey_notify()  local
488 		acpi_pcc_generate_keyinput(pcc);  in acpi_pcc_hotkey_notify()
496 static int acpi_pcc_init_input(struct pcc_acpi *pcc)  in acpi_pcc_init_input()  argument
526 	pcc->input_dev = input_dev;  in acpi_pcc_init_input()
536 static void acpi_pcc_destroy_input(struct pcc_acpi *pcc)  in acpi_pcc_destroy_input()  argument
538 	sparse_keymap_free(pcc->input_dev);  in acpi_pcc_destroy_input()
539 	input_unregister_device(pcc->input_dev);  in acpi_pcc_destroy_input()
551 	struct pcc_acpi *pcc;  in acpi_pcc_hotkey_resume()  local
556 	pcc = acpi_driver_data(to_acpi_device(dev));  in acpi_pcc_hotkey_resume()
557 	if (!pcc)  in acpi_pcc_hotkey_resume()
561 			  pcc->sticky_mode));  in acpi_pcc_hotkey_resume()
563 	return acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_mode);  in acpi_pcc_hotkey_resume()
570 	struct pcc_acpi *pcc;  in acpi_pcc_hotkey_add()  local
583 	pcc = kzalloc(sizeof(struct pcc_acpi), GFP_KERNEL);  in acpi_pcc_hotkey_add()
584 	if (!pcc) {  in acpi_pcc_hotkey_add()
590 	pcc->sinf = kzalloc(sizeof(u32) * (num_sifr + 1), GFP_KERNEL);  in acpi_pcc_hotkey_add()
591 	if (!pcc->sinf) {  in acpi_pcc_hotkey_add()
596 	pcc->device = device;  in acpi_pcc_hotkey_add()
597 	pcc->handle = device->handle;  in acpi_pcc_hotkey_add()
598 	pcc->num_sifr = num_sifr;  in acpi_pcc_hotkey_add()
599 	device->driver_data = pcc;  in acpi_pcc_hotkey_add()
603 	result = acpi_pcc_init_input(pcc);  in acpi_pcc_hotkey_add()
610 	if (!acpi_pcc_retrieve_biosdata(pcc)) {  in acpi_pcc_hotkey_add()
619 	props.max_brightness = pcc->sinf[SINF_AC_MAX_BRIGHT];  in acpi_pcc_hotkey_add()
620 	pcc->backlight = backlight_device_register("panasonic", NULL, pcc,  in acpi_pcc_hotkey_add()
622 	if (IS_ERR(pcc->backlight)) {  in acpi_pcc_hotkey_add()
623 		result = PTR_ERR(pcc->backlight);  in acpi_pcc_hotkey_add()
628 	pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT];  in acpi_pcc_hotkey_add()
631 	pcc->sticky_mode = pcc->sinf[SINF_STICKY_KEY];  in acpi_pcc_hotkey_add()
641 	backlight_device_unregister(pcc->backlight);  in acpi_pcc_hotkey_add()
643 	acpi_pcc_destroy_input(pcc);  in acpi_pcc_hotkey_add()
645 	kfree(pcc->sinf);  in acpi_pcc_hotkey_add()
647 	kfree(pcc);  in acpi_pcc_hotkey_add()
654 	struct pcc_acpi *pcc = acpi_driver_data(device);  in acpi_pcc_hotkey_remove()  local
656 	if (!device || !pcc)  in acpi_pcc_hotkey_remove()
661 	backlight_device_unregister(pcc->backlight);  in acpi_pcc_hotkey_remove()
663 	acpi_pcc_destroy_input(pcc);  in acpi_pcc_hotkey_remove()
665 	kfree(pcc->sinf);  in acpi_pcc_hotkey_remove()
666 	kfree(pcc);  in acpi_pcc_hotkey_remove()