linux-kernel - Re: [PATCH] platform/surface: aggregator_registry: Add initial support for Surface Pro 8

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Message-ID: <f7ac5427-b03a-2d3a-3255-e37ba9b15dcd@redhat.com>
Date:   Thu, 28 Oct 2021 09:58:36 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Maximilian Luz <luzmaximilian@...il.com>,
        platform-driver-x86@...r.kernel.org
Cc:     Mark Gross <markgross@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] platform/surface: aggregator_registry: Add initial
 support for Surface Pro 8

Hi Maximilian,

On 10/28/21 03:28, Maximilian Luz wrote:
> Add preliminary support for the Surface Pro 8 to the Surface Aggregator
> registry. This includes battery/charger status and platform profile
> support.
> 
> In contrast to earlier Surface Pro generations, the keyboard cover is
> now also connected via the Surface Aggregator Module (whereas it was
> previously connected via USB or HID-over-I2C). To properly support the
> HID devices of that cover, however, more changes regarding hot-removal
> of Surface Aggregator client devices as well as a new device hub driver
> are required. We will address those things in a follow-up series, so do
> not add any HID device IDs just yet.
> 
> Signed-off-by: Maximilian Luz <luzmaximilian@...il.com>

Since it is just device-id additions I can still pick this up for
5.16 if you want / if this is useful.

Do you want me to pick this up for 5.16 ? 

Regards,

Hans



> ---
>  .../platform/surface/surface_aggregator_registry.c   | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c
> index 2e0d3a808d47..ce2bd88feeaa 100644
> --- a/drivers/platform/surface/surface_aggregator_registry.c
> +++ b/drivers/platform/surface/surface_aggregator_registry.c
> @@ -228,6 +228,15 @@ static const struct software_node *ssam_node_group_sp7[] = {
>  	NULL,
>  };
>  
> +static const struct software_node *ssam_node_group_sp8[] = {
> +	&ssam_node_root,
> +	&ssam_node_bat_ac,
> +	&ssam_node_bat_main,
> +	&ssam_node_tmp_pprof,
> +	/* TODO: Add support for keyboard cover. */
> +	NULL,
> +};
> +
>  
>  /* -- Device registry helper functions. ------------------------------------- */
>  
> @@ -520,6 +529,9 @@ static const struct acpi_device_id ssam_platform_hub_match[] = {
>  	/* Surface Pro 7+ */
>  	{ "MSHW0119", (unsigned long)ssam_node_group_sp7 },
>  
> +	/* Surface Pro 8 */
> +	{ "MSHW0263", (unsigned long)ssam_node_group_sp8 },
> +
>  	/* Surface Book 2 */
>  	{ "MSHW0107", (unsigned long)ssam_node_group_gen5 },
>  
>