[PATCH v5 06/14] platform/x86: alienware-wmi: Refactor thermal control methods

Kurt Borja
2025-01-19T22:06:09Z

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 3e9c00363a8a..d2a3d58a65dc 100644
--- a/drivers/platform/x86/dell/alienware-wmi.c
+++ b/drivers/platform/x86/dell/alienware-wmi.c
@@ -667,34 +667,6 @@ 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.
@@ -940,7 +912,8 @@ 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,
@@ -948,14 +921,12 @@ 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;
@@ -963,7 +934,7 @@ 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,
@@ -971,15 +942,13 @@ 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;
@@ -987,7 +956,8 @@ 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,
@@ -995,14 +965,13 @@ 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;
@@ -1013,10 +982,11 @@ 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)
@@ -1045,7 +1015,8 @@ 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)
@@ -1053,7 +1024,8 @@ 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)
@@ -1061,7 +1033,8 @@ 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)
@@ -1074,7 +1047,7 @@ 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;
@@ -1082,7 +1055,7 @@ 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