3  *  acpi_fan.c - ACPI Fan Driver ($Revision: 29 $)
20 MODULE_DESCRIPTION("ACPI Fan Driver");
80 		.name = "acpi-fan",
91 	struct acpi_fan *fan = acpi_driver_data(device);  in fan_get_max_state()  local
93 	if (fan->acpi4)  in fan_get_max_state()
94 		*state = fan->fps_count - 1;  in fan_get_max_state()
103 	struct acpi_fan *fan = acpi_driver_data(device);  in fan_get_state_acpi4()  local
110 		dev_err(&device->dev, "Get fan state failed\n");  in fan_get_state_acpi4()
124 	for (i = 0; i < fan->fps_count; i++) {  in fan_get_state_acpi4()
127 		 * corresponding to maximum fan->fps[i].control  in fan_get_state_acpi4()
129 		 * fan->fps[] is sorted array with increasing speed.  in fan_get_state_acpi4()
131 		if (fan->fif.fine_grain_ctrl && control < fan->fps[i].control) {  in fan_get_state_acpi4()
134 		} else if (control == fan->fps[i].control) {  in fan_get_state_acpi4()
138 	if (i == fan->fps_count) {  in fan_get_state_acpi4()
170 	struct acpi_fan *fan = acpi_driver_data(device);  in fan_get_cur_state()  local
172 	if (fan->acpi4)  in fan_get_cur_state()
189 	struct acpi_fan *fan = acpi_driver_data(device);  in fan_set_state_acpi4()  local
192 	if (state >= fan->fps_count)  in fan_set_state_acpi4()
196 					    fan->fps[state].control);  in fan_set_state_acpi4()
209 	struct acpi_fan *fan = acpi_driver_data(device);  in fan_set_cur_state()  local
211 	if (fan->acpi4)  in fan_set_cur_state()
239 	struct acpi_fan *fan = acpi_driver_data(device);  in acpi_fan_get_fif()  local
241 	struct acpi_buffer fif = { sizeof(fan->fif), &fan->fif };  in acpi_fan_get_fif()
309 	struct acpi_fan *fan = acpi_driver_data(device);  in acpi_fan_get_fps()  local
326 	fan->fps_count = obj->package.count - 1; /* minus revision field */  in acpi_fan_get_fps()
327 	fan->fps = devm_kcalloc(&device->dev,  in acpi_fan_get_fps()
328 				fan->fps_count, sizeof(struct acpi_fan_fps),  in acpi_fan_get_fps()
330 	if (!fan->fps) {  in acpi_fan_get_fps()
335 	for (i = 0; i < fan->fps_count; i++) {  in acpi_fan_get_fps()
338 						&fan->fps[i] };  in acpi_fan_get_fps()
347 	/* sort the state array according to fan speed in increase order */  in acpi_fan_get_fps()
348 	sort(fan->fps, fan->fps_count, sizeof(*fan->fps),  in acpi_fan_get_fps()
351 	for (i = 0; i < fan->fps_count; ++i) {  in acpi_fan_get_fps()
352 		struct acpi_fan_fps *fps = &fan->fps[i];  in acpi_fan_get_fps()
365 				sysfs_remove_file(&device->dev.kobj, &fan->fps[j].dev_attr.attr);  in acpi_fan_get_fps()
379 	struct acpi_fan *fan;  in acpi_fan_probe()  local
383 	fan = devm_kzalloc(&pdev->dev, sizeof(*fan), GFP_KERNEL);  in acpi_fan_probe()
384 	if (!fan) {  in acpi_fan_probe()
385 		dev_err(&device->dev, "No memory for fan\n");  in acpi_fan_probe()
388 	device->driver_data = fan;  in acpi_fan_probe()
389 	platform_set_drvdata(pdev, fan);  in acpi_fan_probe()
400 		fan->acpi4 = true;  in acpi_fan_probe()
410 		name = "Fan";  in acpi_fan_probe()
423 	fan->cdev = cdev;  in acpi_fan_probe()
441 	if (fan->acpi4) {  in acpi_fan_probe()
444 		for (i = 0; i < fan->fps_count; ++i)  in acpi_fan_probe()
445 			sysfs_remove_file(&device->dev.kobj, &fan->fps[i].dev_attr.attr);  in acpi_fan_probe()
453 	struct acpi_fan *fan = platform_get_drvdata(pdev);  in acpi_fan_remove()  local
455 	if (fan->acpi4) {  in acpi_fan_remove()
459 		for (i = 0; i < fan->fps_count; ++i)  in acpi_fan_remove()
460 			sysfs_remove_file(&device->dev.kobj, &fan->fps[i].dev_attr.attr);  in acpi_fan_remove()
463 	sysfs_remove_link(&fan->cdev->device.kobj, "device");  in acpi_fan_remove()
464 	thermal_cooling_device_unregister(fan->cdev);  in acpi_fan_remove()
472 	struct acpi_fan *fan = dev_get_drvdata(dev);  in acpi_fan_suspend()  local
473 	if (fan->acpi4)  in acpi_fan_suspend()
484 	struct acpi_fan *fan = dev_get_drvdata(dev);  in acpi_fan_resume()  local
486 	if (fan->acpi4)  in acpi_fan_resume()
491 		dev_err(dev, "Error updating fan power state\n");  in acpi_fan_resume()