linux-kernel - Re: [PATCH 1/1] platform/surface: platform

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Message-ID: <fa16bf5a-b0da-2751-7109-fe76acbcd7d8@linux.intel.com>
Date: Mon, 11 Mar 2024 13:46:24 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: Ivor Wanders <ivor@...nders.net>
cc: Maximilian Luz <luzmaximilian@...il.com>, 
    Hans de Goede <hdegoede@...hat.com>, platform-driver-x86@...r.kernel.org, 
    LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] platform/surface: platform_profile: add fan profile
 switching

On Sat, 2 Mar 2024, Ivor Wanders wrote:

> Change naming from tmp to platform profile to clarify the module may
> interact with both the TMP and FAN subystems. Add functionality that
> switches the fan profile when the platform profile is changed when
> a fan is present.
> 
> Signed-off-by: Ivor Wanders <ivor@...nders.net>
> ---

> diff --git a/drivers/platform/surface/surface_platform_profile.c b/drivers/platform/surface/surface_platform_profile.c
> index a5a3941b3f43..e54d0a8f7daa 100644
> --- a/drivers/platform/surface/surface_platform_profile.c
> +++ b/drivers/platform/surface/surface_platform_profile.c

> @@ -42,6 +54,13 @@ SSAM_DEFINE_SYNC_REQUEST_CL_W(__ssam_tmp_profile_set, __le32, {
>  	.command_id      = 0x03,
>  });
>  
> +SSAM_DEFINE_SYNC_REQUEST_W(__ssam_fan_profile_set, char, {

Is char correct type here or do you perhaps mean e.g., u8 that is more 
approriate for 1-byte long binary data?

> +	.target_category = SSAM_SSH_TC_FAN,
> +	.target_id = SSAM_SSH_TID_SAM,
> +	.command_id = 0x0e,
> +	.instance_id = 0x01,
> +});
> +
>  static int ssam_tmp_profile_get(struct ssam_device *sdev, enum ssam_tmp_profile *p)
>  {
>  	struct ssam_tmp_profile_info info;
> @@ -62,7 +81,14 @@ static int ssam_tmp_profile_set(struct ssam_device *sdev, enum ssam_tmp_profile
>  	return ssam_retry(__ssam_tmp_profile_set, sdev, &profile_le);
>  }
>  
> -static int convert_ssam_to_profile(struct ssam_device *sdev, enum ssam_tmp_profile p)
> +static int ssam_fan_profile_set(struct ssam_device *sdev, enum ssam_fan_profile p)
> +{
> +	char profile = p;

u8 ?

-- 
 i.