linux-kernel - Re: [PATCH v2 2/2] platform/surface: aggregator

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Date: Fri, 29 Dec 2023 23:42:12 +0100
From: Maximilian Luz <luzmaximilian@...il.com>
To: Ivor Wanders <ivor@...nders.net>, Jean Delvare <jdelvare@...e.com>,
 Guenter Roeck <linux@...ck-us.net>, Jonathan Corbet <corbet@....net>,
 Hans de Goede <hdegoede@...hat.com>, Mark Gross <markgross@...nel.org>
Cc: linux-hwmon@...r.kernel.org, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH v2 2/2] platform/surface: aggregator_registry: add entry
 for fan speed

On 12/28/23 01:34, Ivor Wanders wrote:
> Add an entry for the fan speed function.
> Add this new entry to the Surface Pro 9 group.
> 
> Signed-off-by: Ivor Wanders <ivor@...nders.net>
> Link: https://github.com/linux-surface/kernel/pull/144
> ---
> Changes in v2:
>    - No changes in this patch.
> ---
>   drivers/platform/surface/surface_aggregator_registry.c | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c
> index 530db4db7..b0db25886 100644
> --- a/drivers/platform/surface/surface_aggregator_registry.c
> +++ b/drivers/platform/surface/surface_aggregator_registry.c
> @@ -74,6 +74,12 @@ static const struct software_node ssam_node_tmp_pprof = {
>   	.parent = &ssam_node_root,
>   };
>   
> +/* Fan speed function. */
> +static const struct software_node ssam_node_fan_speed = {
> +	.name = "ssam:01:05:01:01:01",
> +	.parent = &ssam_node_root,
> +};

I would prefer if we could keep the subsystem prefix for node names. So
something like `ssam_node_tmp_fan_speed`.

Otherwise, this looks good to me. With that changed:

Reviewed-by: Maximilian Luz <luzmaximilian@...il.com>

> +
>   /* Tablet-mode switch via KIP subsystem. */
>   static const struct software_node ssam_node_kip_tablet_switch = {
>   	.name = "ssam:01:0e:01:00:01",
> @@ -319,6 +325,7 @@ static const struct software_node *ssam_node_group_sp9[] = {
>   	&ssam_node_bat_ac,
>   	&ssam_node_bat_main,
>   	&ssam_node_tmp_pprof,
> +	&ssam_node_fan_speed,
>   	&ssam_node_pos_tablet_switch,
>   	&ssam_node_hid_kip_keyboard,
>   	&ssam_node_hid_kip_penstash,