1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  fan_attr.c - Create extra attributes for ACPI Fan driver
15 #include "fan.h"
24 	if (fps->control == 0xFFFFFFFF || fps->control > 100)  in show_state()
25 		count = scnprintf(buf, PAGE_SIZE, "not-defined:");  in show_state()
27 		count = scnprintf(buf, PAGE_SIZE, "%lld:", fps->control);  in show_state()
29 	if (fps->trip_point == 0xFFFFFFFF || fps->trip_point > 9)  in show_state()
30 		count += sysfs_emit_at(buf, count, "not-defined:");  in show_state()
32 		count += sysfs_emit_at(buf, count, "%lld:", fps->trip_point);  in show_state()
34 	if (fps->speed == 0xFFFFFFFF)  in show_state()
35 		count += sysfs_emit_at(buf, count, "not-defined:");  in show_state()
37 		count += sysfs_emit_at(buf, count, "%lld:", fps->speed);  in show_state()
39 	if (fps->noise_level == 0xFFFFFFFF)  in show_state()
40 		count += sysfs_emit_at(buf, count, "not-defined:");  in show_state()
42 		count += sysfs_emit_at(buf, count, "%lld:", fps->noise_level * 100);  in show_state()
44 	if (fps->power == 0xFFFFFFFF)  in show_state()
45 		count += sysfs_emit_at(buf, count, "not-defined\n");  in show_state()
47 		count += sysfs_emit_at(buf, count, "%lld\n", fps->power);  in show_state()
68 	struct acpi_fan *fan = acpi_driver_data(acpi_dev);  in show_fine_grain_control()  local
70 	return sprintf(buf, "%d\n", fan->fif.fine_grain_ctrl);  in show_fine_grain_control()
75 	struct acpi_fan *fan = acpi_driver_data(device);  in acpi_fan_create_attributes()  local
78 	sysfs_attr_init(&fan->fine_grain_control.attr);  in acpi_fan_create_attributes()
79 	fan->fine_grain_control.show = show_fine_grain_control;  in acpi_fan_create_attributes()
80 	fan->fine_grain_control.store = NULL;  in acpi_fan_create_attributes()
81 	fan->fine_grain_control.attr.name = "fine_grain_control";  in acpi_fan_create_attributes()
82 	fan->fine_grain_control.attr.mode = 0444;  in acpi_fan_create_attributes()
83 	status = sysfs_create_file(&device->dev.kobj, &fan->fine_grain_control.attr);  in acpi_fan_create_attributes()
88 	sysfs_attr_init(&fan->fst_speed.attr);  in acpi_fan_create_attributes()
89 	fan->fst_speed.show = show_fan_speed;  in acpi_fan_create_attributes()
90 	fan->fst_speed.store = NULL;  in acpi_fan_create_attributes()
91 	fan->fst_speed.attr.name = "fan_speed_rpm";  in acpi_fan_create_attributes()
92 	fan->fst_speed.attr.mode = 0444;  in acpi_fan_create_attributes()
93 	status = sysfs_create_file(&device->dev.kobj, &fan->fst_speed.attr);  in acpi_fan_create_attributes()
97 	for (i = 0; i < fan->fps_count; ++i) {  in acpi_fan_create_attributes()
98 		struct acpi_fan_fps *fps = &fan->fps[i];  in acpi_fan_create_attributes()
100 		snprintf(fps->name, ACPI_FPS_NAME_LEN, "state%d", i);  in acpi_fan_create_attributes()
101 		sysfs_attr_init(&fps->dev_attr.attr);  in acpi_fan_create_attributes()
102 		fps->dev_attr.show = show_state;  in acpi_fan_create_attributes()
103 		fps->dev_attr.store = NULL;  in acpi_fan_create_attributes()
104 		fps->dev_attr.attr.name = fps->name;  in acpi_fan_create_attributes()
105 		fps->dev_attr.attr.mode = 0444;  in acpi_fan_create_attributes()
106 		status = sysfs_create_file(&device->dev.kobj, &fps->dev_attr.attr);  in acpi_fan_create_attributes()
110 			for (j = 0; j < i; ++j)  in acpi_fan_create_attributes()
111 				sysfs_remove_file(&device->dev.kobj, &fan->fps[j].dev_attr.attr);  in acpi_fan_create_attributes()
116 	return 0;  in acpi_fan_create_attributes()
119 	sysfs_remove_file(&device->dev.kobj, &fan->fst_speed.attr);  in acpi_fan_create_attributes()
122 	sysfs_remove_file(&device->dev.kobj, &fan->fine_grain_control.attr);  in acpi_fan_create_attributes()
129 	struct acpi_fan *fan = acpi_driver_data(device);  in acpi_fan_delete_attributes()  local
132 	for (i = 0; i < fan->fps_count; ++i)  in acpi_fan_delete_attributes()
133 		sysfs_remove_file(&device->dev.kobj, &fan->fps[i].dev_attr.attr);  in acpi_fan_delete_attributes()
135 	sysfs_remove_file(&device->dev.kobj, &fan->fst_speed.attr);  in acpi_fan_delete_attributes()
136 	sysfs_remove_file(&device->dev.kobj, &fan->fine_grain_control.attr);  in acpi_fan_delete_attributes()