linux-kernel - Re: [PATCH v2 3/3] power: supply: axp288_fuel

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Message-ID: <20180216142655.heommid67q3g22qt@earth.universe>
Date:   Fri, 16 Feb 2018 15:26:55 +0100
From:   Sebastian Reichel <sre@...nel.org>
To:     Carlo Caione <carlo@...one.org>
Cc:     linux@...lessm.com, hdegoede@...hat.com, rjw@...ysocki.net,
        lenb@...nel.org, wens@...e.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        Carlo Caione <carlo@...lessm.com>
Subject: Re: [PATCH v2 3/3] power: supply: axp288_fuel_gauge: Do not register
 FG on ECS EF20EA

Hi,

On Fri, Feb 16, 2018 at 08:26:16AM +0000, Carlo Caione wrote:
> From: Carlo Caione <carlo@...lessm.com>
> 
> The ECS EF20EA laptop ships an AXP288 but it is actually using a
> different, separate FG chip for AC and battery monitoring. On this
> laptop we need to keep using the regular ACPI driver and disable the
> AXP288 FG to avoid reporting two batteries to userspace.
> 
> Signed-off-by: Carlo Caione <carlo@...lessm.com>
> ---

It looks like this could be applied independently of the ACPI
patches to the power-supply tree?

-- Sebastian

>  drivers/power/supply/axp288_fuel_gauge.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/power/supply/axp288_fuel_gauge.c b/drivers/power/supply/axp288_fuel_gauge.c
> index 4cc6e038dfdd..903891a9bcf0 100644
> --- a/drivers/power/supply/axp288_fuel_gauge.c
> +++ b/drivers/power/supply/axp288_fuel_gauge.c
> @@ -708,6 +708,12 @@ static const struct dmi_system_id axp288_fuel_gauge_blacklist[] = {
>  			DMI_MATCH(DMI_BOARD_VERSION, "V1.1"),
>  		},
>  	},
> +	{
> +		/* ECS EF20EA */
> +		.matches = {
> +			DMI_MATCH(DMI_PRODUCT_NAME, "EF20EA"),
> +		},
> +	},
>  	{}
>  };
>  
> -- 
> 2.14.1
> 

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