Move uw universal fan check, add to feats structure

src/tuxedo_io/tuxedo_io.c

@@ -262,24 +262,6 @@ static long clevo_ioctl_interface(struct file *file, unsigned int cmd, unsigned
 	return 0;
 }
 
-static int has_universal_ec_fan_control(void) {
-	int ret;
-	u8 data;
-
-	if (uw_feats->model == UW_MODEL_PH4TRX) {
-		// For some reason, on this particular device, the 2nd fan is not controlled via the
-		// "GPU" fan curve when the bit to separate both fancurves is set, but the old fan
-		// control works just fine.
-		return 0;
-	}
-
-	ret = uniwill_read_ec_ram(0x078e, &data);
-	if (ret < 0) {
-		return ret;
-	}
-	return (data >> 6) & 1;
-}
-
 static int set_full_fan_mode(bool enable) {
 	u8 mode_data;
 
@@ -315,7 +297,7 @@ static int uw_init_fan(void) {
 	u16 addr_gpu_custom_fan_table_start_temp = 0x0f40;
 	u16 addr_gpu_custom_fan_table_fan_speed = 0x0f50;
 
-	if (!fans_initialized && (has_universal_ec_fan_control() == 1)) {
+	if (!fans_initialized && uw_feats->uniwill_has_universal_ec_fan_control) {
 		set_full_fan_mode(false);
 
 		uniwill_read_ec_ram(addr_use_custom_fan_table_0, &value_use_custom_fan_table_0);
@@ -360,7 +342,7 @@ static u32 uw_set_fan(u32 fan_index, u8 fan_speed)
 	u16 addr_cpu_custom_fan_table_fan_speed = 0x0f20;
 	u16 addr_gpu_custom_fan_table_fan_speed = 0x0f50;
 
-	if (has_universal_ec_fan_control() == 1) {
+	if (uw_feats->uniwill_has_universal_ec_fan_control) {
 		uw_init_fan();
 
 		if (fan_index == 0)
@@ -416,7 +398,7 @@ static u32 uw_set_fan_auto(void)
 {
 	u8 mode_data;
 
-	if (has_universal_ec_fan_control() == 1) {
+	if (uw_feats->uniwill_has_universal_ec_fan_control) {
 		u16 addr_use_custom_fan_table_0 = 0x07c5; // use different tables for both fans (0x0f00-0x0f2f and 0x0f30-0x0f5f respectivly)
 		u16 addr_use_custom_fan_table_1 = 0x07c6; // enable 0x0fxx fantables
 		u8 offset_use_custom_fan_table_0 = 7;
@@ -611,7 +593,7 @@ static long uniwill_ioctl_interface(struct file *file, unsigned int cmd, unsigne
 			copy_result = copy_to_user((void *) arg, &result, sizeof(result));
 			break;
 		case R_UW_FANS_OFF_AVAILABLE:
-			/*result = has_universal_ec_fan_control();
+			/*result = uw_feats->uniwill_has_universal_ec_fan_control ? 1 : 0;
 			if (result == 1) {
 				result = 0;
 			}
@@ -622,7 +604,7 @@ static long uniwill_ioctl_interface(struct file *file, unsigned int cmd, unsigne
 			copy_result = copy_to_user((void *) arg, &result, sizeof(result));
 			break;
 		case R_UW_FANS_MIN_SPEED:
-			/*result = has_universal_ec_fan_control();
+			/*result = uw_feats->uniwill_has_universal_ec_fan_control? 1 : 0;
 			if (result == 1) {
 				result = 20;
 			}

src/uniwill_interfaces.h

@@ -106,6 +106,7 @@ struct uniwill_device_features_t {
 	bool uniwill_profile_v1_three_profs_leds_only;
 	bool uniwill_has_charging_prio;
 	bool uniwill_has_charging_profile;
+	bool uniwill_has_universal_ec_fan_control;
 };
 
 struct uniwill_device_features_t *uniwill_get_device_features(void);

src/uniwill_keyboard.h

@@ -950,10 +950,31 @@ static ssize_t uw_charging_prio_store(struct device *child,
 		return -EINVAL;
 }
 
+static int has_universal_ec_fan_control(void) {
+	int ret;
+	u8 data;
+
+	struct uniwill_device_features_t *uw_feats = &uniwill_device_features;
+
+	if (uw_feats->model == UW_MODEL_PH4TRX) {
+		// For some reason, on this particular device, the 2nd fan is not controlled via the
+		// "GPU" fan curve when the bit to separate both fancurves is set, but the old fan
+		// control works just fine.
+		return 0;
+	}
+
+	ret = uniwill_read_ec_ram(0x078e, &data);
+	if (ret < 0) {
+		return ret;
+	}
+	return (data >> 6) & 1;
+}
+
 struct uniwill_device_features_t *uniwill_get_device_features(void)
 {
 	struct uniwill_device_features_t *uw_feats = &uniwill_device_features;
 	u32 status;
+	int result;
 	bool feats_loaded;
 
 	if (uw_feats_loaded)
@@ -1013,6 +1034,14 @@ struct uniwill_device_features_t *uniwill_get_device_features(void)
 	if (uw_has_charging_profile(&uw_feats->uniwill_has_charging_profile) != 0)
 		feats_loaded = false;
 
+	result = has_universal_ec_fan_control();
+	if (result < 0) {
+		feats_loaded = false;
+	} else {
+		uw_feats->uniwill_has_universal_ec_fan_control = (result == 1);
+	}
+
+
 	if (feats_loaded)
 		pr_debug("feats loaded\n");
 	else