Re: [PATCH v3 06/20] platform/x86: alienware_wmi: General cleanup of WMAX methods

[Mario Limonciello <mario.limonciello@xxxxxxx>]

On 1/5/2025 09:30, Kurt Borja wrote:
> Reorder variable declaration from longest to shortest. Standarize
> show/store method names of WMAX's sysfs groups.
>
> Reviewed-by: Armin Wolf <W_Armin@xxxxxx>
> Signed-off-by: Kurt Borja <kuurtb@xxxxxxxxx>
Reviewed-by: Mario Limonciello <mario.limonciello@xxxxxxx>
> ---
>   drivers/platform/x86/dell/alienware-wmi.c | 67 +++++++++++------------
>   1 file changed, 32 insertions(+), 35 deletions(-)
>
> diff --git a/drivers/platform/x86/dell/alienware-wmi.c b/drivers/platform/x86/dell/alienware-wmi.c
> index 418abf46b593..190fee7539bf 100644
> --- a/drivers/platform/x86/dell/alienware-wmi.c
> +++ b/drivers/platform/x86/dell/alienware-wmi.c
> @@ -725,14 +725,14 @@ static acpi_status alienware_wmax_command(void *in_args, size_t in_size,
>    *	The HDMI mux sysfs node indicates the status of the HDMI input mux.
>    *	It can toggle between standard system GPU output and HDMI input.
>    */
> -static ssize_t show_hdmi_cable(struct device *dev,
> -			       struct device_attribute *attr, char *buf)
> +static ssize_t cable_show(struct device *dev, struct device_attribute *attr,
> +			  char *buf)
>   {
> -	acpi_status status;
> -	u32 out_data;
>   	struct wmax_basic_args in_args = {
>   		.arg = 0,
>   	};
> +	acpi_status status;
> +	u32 out_data;
>   	status =
>   	    alienware_wmax_command(&in_args, sizeof(in_args),
>   				   WMAX_METHOD_HDMI_CABLE, &out_data);
> @@ -746,14 +746,14 @@ static ssize_t show_hdmi_cable(struct device *dev,
>   	return sysfs_emit(buf, "unconnected connected [unknown]\n");
>   }
>   
> -static ssize_t show_hdmi_source(struct device *dev,
> -				struct device_attribute *attr, char *buf)
> +static ssize_t source_show(struct device *dev, struct device_attribute *attr,
> +			   char *buf)
>   {
> -	acpi_status status;
> -	u32 out_data;
>   	struct wmax_basic_args in_args = {
>   		.arg = 0,
>   	};
> +	acpi_status status;
> +	u32 out_data;
>   	status =
>   	    alienware_wmax_command(&in_args, sizeof(in_args),
>   				   WMAX_METHOD_HDMI_STATUS, &out_data);
> @@ -768,12 +768,11 @@ static ssize_t show_hdmi_source(struct device *dev,
>   	return sysfs_emit(buf, "input gpu [unknown]\n");
>   }
>   
> -static ssize_t toggle_hdmi_source(struct device *dev,
> -				  struct device_attribute *attr,
> -				  const char *buf, size_t count)
> +static ssize_t source_store(struct device *dev, struct device_attribute *attr,
> +			    const char *buf, size_t count)
>   {
> -	acpi_status status;
>   	struct wmax_basic_args args;
> +	acpi_status status;
>   	if (strcmp(buf, "gpu\n") == 0)
>   		args.arg = 1;
>   	else if (strcmp(buf, "input\n") == 0)
> @@ -791,9 +790,8 @@ static ssize_t toggle_hdmi_source(struct device *dev,
>   	return count;
>   }
>   
> -static DEVICE_ATTR(cable, S_IRUGO, show_hdmi_cable, NULL);
> -static DEVICE_ATTR(source, S_IRUGO | S_IWUSR, show_hdmi_source,
> -		   toggle_hdmi_source);
> +static DEVICE_ATTR_RO(cable);
> +static DEVICE_ATTR_RW(source);
>   
>   static bool hdmi_group_visible(struct kobject *kobj)
>   {
> @@ -818,14 +816,14 @@ static const struct attribute_group hdmi_attribute_group = {
>    * - Currently supports reading cable status
>    * - Leaving expansion room to possibly support dock/undock events later
>    */
> -static ssize_t show_amplifier_status(struct device *dev,
> -				     struct device_attribute *attr, char *buf)
> +static ssize_t status_show(struct device *dev, struct device_attribute *attr,
> +			   char *buf)
>   {
> -	acpi_status status;
> -	u32 out_data;
>   	struct wmax_basic_args in_args = {
>   		.arg = 0,
>   	};
> +	acpi_status status;
> +	u32 out_data;
>   	status =
>   	    alienware_wmax_command(&in_args, sizeof(in_args),
>   				   WMAX_METHOD_AMPLIFIER_CABLE, &out_data);
> @@ -839,7 +837,7 @@ static ssize_t show_amplifier_status(struct device *dev,
>   	return sysfs_emit(buf, "unconnected connected [unknown]\n");
>   }
>   
> -static DEVICE_ATTR(status, S_IRUGO, show_amplifier_status, NULL);
> +static DEVICE_ATTR_RO(status);
>   
>   static bool amplifier_group_visible(struct kobject *kobj)
>   {
> @@ -862,14 +860,14 @@ static const struct attribute_group amplifier_attribute_group = {
>    * Deep Sleep Control support
>    * - Modifies BIOS setting for deep sleep control allowing extra wakeup events
>    */
> -static ssize_t show_deepsleep_status(struct device *dev,
> -				     struct device_attribute *attr, char *buf)
> +static ssize_t deepsleep_show(struct device *dev, struct device_attribute *attr,
> +			      char *buf)
>   {
> -	acpi_status status;
> -	u32 out_data;
>   	struct wmax_basic_args in_args = {
>   		.arg = 0,
>   	};
> +	acpi_status status;
> +	u32 out_data;
>   	status = alienware_wmax_command(&in_args, sizeof(in_args),
>   					WMAX_METHOD_DEEP_SLEEP_STATUS, &out_data);
>   	if (ACPI_SUCCESS(status)) {
> @@ -884,12 +882,11 @@ static ssize_t show_deepsleep_status(struct device *dev,
>   	return sysfs_emit(buf, "disabled s5 s5_s4 [unknown]\n");
>   }
>   
> -static ssize_t toggle_deepsleep(struct device *dev,
> -				struct device_attribute *attr,
> -				const char *buf, size_t count)
> +static ssize_t deepsleep_store(struct device *dev, struct device_attribute *attr,
> +			       const char *buf, size_t count)
>   {
> -	acpi_status status;
>   	struct wmax_basic_args args;
> +	acpi_status status;
>   
>   	if (strcmp(buf, "disabled\n") == 0)
>   		args.arg = 0;
> @@ -908,7 +905,7 @@ static ssize_t toggle_deepsleep(struct device *dev,
>   	return count;
>   }
>   
> -static DEVICE_ATTR(deepsleep, S_IRUGO | S_IWUSR, show_deepsleep_status, toggle_deepsleep);
> +static DEVICE_ATTR_RW(deepsleep);
>   
>   static bool deepsleep_group_visible(struct kobject *kobj)
>   {
> @@ -956,13 +953,13 @@ static bool is_wmax_thermal_code(u32 code)
>   
>   static int wmax_thermal_information(u8 operation, u8 arg, u32 *out_data)
>   {
> -	acpi_status status;
>   	struct wmax_u32_args in_args = {
>   		.operation = operation,
>   		.arg1 = arg,
>   		.arg2 = 0,
>   		.arg3 = 0,
>   	};
> +	acpi_status status;
>   
>   	status = alienware_wmax_command(&in_args, sizeof(in_args),
>   					WMAX_METHOD_THERMAL_INFORMATION,
> @@ -979,13 +976,13 @@ static int wmax_thermal_information(u8 operation, u8 arg, u32 *out_data)
>   
>   static int wmax_thermal_control(u8 profile)
>   {
> -	acpi_status status;
>   	struct wmax_u32_args in_args = {
>   		.operation = WMAX_OPERATION_ACTIVATE_PROFILE,
>   		.arg1 = profile,
>   		.arg2 = 0,
>   		.arg3 = 0,
>   	};
> +	acpi_status status;
>   	u32 out_data;
>   
>   	status = alienware_wmax_command(&in_args, sizeof(in_args),
> @@ -1003,13 +1000,13 @@ static int wmax_thermal_control(u8 profile)
>   
>   static int wmax_game_shift_status(u8 operation, u32 *out_data)
>   {
> -	acpi_status status;
>   	struct wmax_u32_args in_args = {
>   		.operation = operation,
>   		.arg1 = 0,
>   		.arg2 = 0,
>   		.arg3 = 0,
>   	};
> +	acpi_status status;
>   
>   	status = alienware_wmax_command(&in_args, sizeof(in_args),
>   					WMAX_METHOD_GAME_SHIFT_STATUS,
> @@ -1078,11 +1075,11 @@ static int thermal_profile_set(struct platform_profile_handler *pprof,
>   
>   static int create_thermal_profile(struct platform_device *platform_device)
>   {
> -	u32 out_data;
> +	enum platform_profile_option profile;
> +	enum wmax_thermal_mode mode;
>   	u8 sys_desc[4];
>   	u32 first_mode;
> -	enum wmax_thermal_mode mode;
> -	enum platform_profile_option profile;
> +	u32 out_data;
>   	int ret;
>   
>   	ret = wmax_thermal_information(WMAX_OPERATION_SYS_DESCRIPTION,