3  * hwmon interface for the ACPI Fan driver.
16 #include "fan.h"
18 /* Returned when the ACPI fan does not support speed reporting */
22 static struct acpi_fan_fps *acpi_fan_get_current_fps(struct acpi_fan *fan, u64 control)  in acpi_fan_get_current_fps()  argument
26 	for (i = 0; i < fan->fps_count; i++) {  in acpi_fan_get_current_fps()
27 		if (fan->fps[i].control == control)  in acpi_fan_get_current_fps()
28 			return &fan->fps[i];  in acpi_fan_get_current_fps()
37 	const struct acpi_fan *fan = drvdata;  in acpi_fan_hwmon_is_visible()  local
46 			/* Only acpi4 fans support fan control. */  in acpi_fan_hwmon_is_visible()
47 			if (!fan->acpi4)  in acpi_fan_hwmon_is_visible()
51 			 * When in fine grain control mode, not every fan control value  in acpi_fan_hwmon_is_visible()
52 			 * has an associated fan performance state.  in acpi_fan_hwmon_is_visible()
54 			if (fan->fif.fine_grain_ctrl)  in acpi_fan_hwmon_is_visible()
64 			/* Only acpi4 fans support fan control. */  in acpi_fan_hwmon_is_visible()
65 			if (!fan->acpi4)  in acpi_fan_hwmon_is_visible()
69 			 * When in fine grain control mode, not every fan control value  in acpi_fan_hwmon_is_visible()
70 			 * has an associated fan performance state.  in acpi_fan_hwmon_is_visible()
72 			if (fan->fif.fine_grain_ctrl)  in acpi_fan_hwmon_is_visible()
76 			 * When all fan performance states contain no valid power data,  in acpi_fan_hwmon_is_visible()
79 			for (i = 0; i < fan->fps_count; i++) {  in acpi_fan_hwmon_is_visible()
80 				if (fan->fps[i].power != FAN_POWER_UNAVAILABLE)  in acpi_fan_hwmon_is_visible()
96 	struct acpi_fan *fan = dev_get_drvdata(dev);  in acpi_fan_hwmon_read()  local
101 	ret = acpi_fan_get_fst(fan->handle, &fst);  in acpi_fan_hwmon_read()
118 			fps = acpi_fan_get_current_fps(fan, fst.control);  in acpi_fan_hwmon_read()
133 			fps = acpi_fan_get_current_fps(fan, fst.control);  in acpi_fan_hwmon_read()
159 	HWMON_CHANNEL_INFO(fan, HWMON_F_INPUT | HWMON_F_TARGET),
171 	struct acpi_fan *fan = dev_get_drvdata(dev);  in devm_acpi_fan_create_hwmon()  local
174 	hdev = devm_hwmon_device_register_with_info(dev, "acpi_fan", fan, &acpi_fan_hwmon_chip_info,  in devm_acpi_fan_create_hwmon()