[PATCH v4 06/14] platform/x86: alienware-wmi: Refactor thermal control methods

[Kurt Borja <kuurtb@gmail.com>]

Refactor thermal control methods to use alienware_wmi_command() instead
of alienware_wmax_command().

Drop alienware_wmax_command() as there is no more users left.

Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Kurt Borja <kuurtb@gmail.com>
---
 drivers/platform/x86/dell/alienware-wmi.c | 87 ++++++++---------------
 1 file changed, 30 insertions(+), 57 deletions(-)

diff --git a/drivers/platform/x86/dell/alienware-wmi.c b/drivers/platform/x86/dell/alienware-wmi.c
index 7f442428e45e..877b3d9d7cab 100644
--- a/drivers/platform/x86/dell/alienware-wmi.c
+++ b/drivers/platform/x86/dell/alienware-wmi.c
@@ -665,34 +665,6 @@ static enum led_brightness global_led_get(struct led_classdev *led_cdev)
 	return priv->global_brightness;
 }
 
-static acpi_status alienware_wmax_command(void *in_args, size_t in_size,
-					  u32 command, u32 *out_data)
-{
-	acpi_status status;
-	union acpi_object *obj;
-	struct acpi_buffer input;
-	struct acpi_buffer output;
-
-	input.length = in_size;
-	input.pointer = in_args;
-	if (out_data) {
-		output.length = ACPI_ALLOCATE_BUFFER;
-		output.pointer = NULL;
-		status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
-					     command, &input, &output);
-		if (ACPI_SUCCESS(status)) {
-			obj = (union acpi_object *)output.pointer;
-			if (obj && obj->type == ACPI_TYPE_INTEGER)
-				*out_data = (u32)obj->integer.value;
-		}
-		kfree(output.pointer);
-	} else {
-		status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
-					     command, &input, NULL);
-	}
-	return status;
-}
-
 /*
  *	The HDMI mux sysfs node indicates the status of the HDMI input mux.
  *	It can toggle between standard system GPU output and HDMI input.
@@ -938,7 +910,8 @@ static bool is_wmax_thermal_code(u32 code)
 	return false;
 }
 
-static int wmax_thermal_information(u8 operation, u8 arg, u32 *out_data)
+static int wmax_thermal_information(struct wmi_device *wdev, u8 operation,
+				    u8 arg, u32 *out_data)
 {
 	struct wmax_u32_args in_args = {
 		.operation = operation,
@@ -946,14 +919,12 @@ static int wmax_thermal_information(u8 operation, u8 arg, u32 *out_data)
 		.arg2 = 0,
 		.arg3 = 0,
 	};
-	acpi_status status;
-
-	status = alienware_wmax_command(&in_args, sizeof(in_args),
-					WMAX_METHOD_THERMAL_INFORMATION,
-					out_data);
+	int ret;
 
-	if (ACPI_FAILURE(status))
-		return -EIO;
+	ret = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_INFORMATION,
+				    &in_args, sizeof(in_args), out_data);
+	if (ret < 0)
+		return ret;
 
 	if (*out_data == WMAX_FAILURE_CODE)
 		return -EBADRQC;
@@ -961,7 +932,7 @@ static int wmax_thermal_information(u8 operation, u8 arg, u32 *out_data)
 	return 0;
 }
 
-static int wmax_thermal_control(u8 profile)
+static int wmax_thermal_control(struct wmi_device *wdev, u8 profile)
 {
 	struct wmax_u32_args in_args = {
 		.operation = WMAX_OPERATION_ACTIVATE_PROFILE,
@@ -969,15 +940,13 @@ static int wmax_thermal_control(u8 profile)
 		.arg2 = 0,
 		.arg3 = 0,
 	};
-	acpi_status status;
 	u32 out_data;
+	int ret;
 
-	status = alienware_wmax_command(&in_args, sizeof(in_args),
-					WMAX_METHOD_THERMAL_CONTROL,
-					&out_data);
-
-	if (ACPI_FAILURE(status))
-		return -EIO;
+	ret = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_CONTROL,
+				    &in_args, sizeof(in_args), &out_data);
+	if (ret)
+		return ret;
 
 	if (out_data == WMAX_FAILURE_CODE)
 		return -EBADRQC;
@@ -985,7 +954,8 @@ static int wmax_thermal_control(u8 profile)
 	return 0;
 }
 
-static int wmax_game_shift_status(u8 operation, u32 *out_data)
+static int wmax_game_shift_status(struct wmi_device *wdev, u8 operation,
+				  u32 *out_data)
 {
 	struct wmax_u32_args in_args = {
 		.operation = operation,
@@ -993,14 +963,13 @@ static int wmax_game_shift_status(u8 operation, u32 *out_data)
 		.arg2 = 0,
 		.arg3 = 0,
 	};
-	acpi_status status;
+	int ret;
 
-	status = alienware_wmax_command(&in_args, sizeof(in_args),
-					WMAX_METHOD_GAME_SHIFT_STATUS,
-					out_data);
+	ret = alienware_wmi_command(wdev, WMAX_METHOD_GAME_SHIFT_STATUS,
+				    &in_args, sizeof(in_args), out_data);
 
-	if (ACPI_FAILURE(status))
-		return -EIO;
+	if (ret < 0)
+		return ret;
 
 	if (*out_data == WMAX_FAILURE_CODE)
 		return -EOPNOTSUPP;
@@ -1011,10 +980,11 @@ static int wmax_game_shift_status(u8 operation, u32 *out_data)
 static int thermal_profile_get(struct device *dev,
 			       enum platform_profile_option *profile)
 {
+	struct awcc_priv *priv = dev_get_drvdata(dev);
 	u32 out_data;
 	int ret;
 
-	ret = wmax_thermal_information(WMAX_OPERATION_CURRENT_PROFILE,
+	ret = wmax_thermal_information(priv->wdev, WMAX_OPERATION_CURRENT_PROFILE,
 				       0, &out_data);
 
 	if (ret < 0)
@@ -1043,7 +1013,8 @@ static int thermal_profile_set(struct device *dev,
 		u32 gmode_status;
 		int ret;
 
-		ret = wmax_game_shift_status(WMAX_OPERATION_GET_GAME_SHIFT_STATUS,
+		ret = wmax_game_shift_status(priv->wdev,
+					     WMAX_OPERATION_GET_GAME_SHIFT_STATUS,
 					     &gmode_status);
 
 		if (ret < 0)
@@ -1051,7 +1022,8 @@ static int thermal_profile_set(struct device *dev,
 
 		if ((profile == PLATFORM_PROFILE_PERFORMANCE && !gmode_status) ||
 		    (profile != PLATFORM_PROFILE_PERFORMANCE && gmode_status)) {
-			ret = wmax_game_shift_status(WMAX_OPERATION_TOGGLE_GAME_SHIFT,
+			ret = wmax_game_shift_status(priv->wdev,
+						     WMAX_OPERATION_TOGGLE_GAME_SHIFT,
 						     &gmode_status);
 
 			if (ret < 0)
@@ -1059,7 +1031,8 @@ static int thermal_profile_set(struct device *dev,
 		}
 	}
 
-	return wmax_thermal_control(priv->supported_thermal_profiles[profile]);
+	return wmax_thermal_control(priv->wdev,
+				    priv->supported_thermal_profiles[profile]);
 }
 
 static int thermal_profile_probe(void *drvdata, unsigned long *choices)
@@ -1072,7 +1045,7 @@ static int thermal_profile_probe(void *drvdata, unsigned long *choices)
 	u32 out_data;
 	int ret;
 
-	ret = wmax_thermal_information(WMAX_OPERATION_SYS_DESCRIPTION,
+	ret = wmax_thermal_information(priv->wdev, WMAX_OPERATION_SYS_DESCRIPTION,
 				       0, (u32 *) &sys_desc);
 	if (ret < 0)
 		return ret;
@@ -1080,7 +1053,7 @@ static int thermal_profile_probe(void *drvdata, unsigned long *choices)
 	first_mode = sys_desc[0] + sys_desc[1];
 
 	for (u32 i = 0; i < sys_desc[3]; i++) {
-		ret = wmax_thermal_information(WMAX_OPERATION_LIST_IDS,
+		ret = wmax_thermal_information(priv->wdev, WMAX_OPERATION_LIST_IDS,
 					       i + first_mode, &out_data);
 
 		if (ret == -EIO)
-- 
2.48.1