linux-kernel - Re: [PATCH] hwmon: (dell-smm) Add Inspiron 3505 to fan type blacklist

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Date:   Fri, 18 Mar 2022 15:12:36 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Armin Wolf <W_Armin@....de>
Cc:     pali@...nel.org, jdelvare@...e.com, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hwmon: (dell-smm) Add Inspiron 3505 to fan type blacklist

On Fri, Mar 18, 2022 at 07:34:08PM +0100, Armin Wolf wrote:
> Sadly, while firmware 1.5 fixed temperature labels on my
> Inspiron 3505, it also caused fan type calls to take
> ca. 4 seconds with the fan being at full speed.
> Fix the resulting delays by adding the model to the
> blacklist.
> 
> Tested on a Dell Inspiron 3505.
> 
> Signed-off-by: Armin Wolf <W_Armin@....de>

Applied.

Thanks,
Guenter

> ---
>  drivers/hwmon/dell-smm-hwmon.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> --
> 2.30.2
> 
> diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
> index a14e810f5598..c34342253d6e 100644
> --- a/drivers/hwmon/dell-smm-hwmon.c
> +++ b/drivers/hwmon/dell-smm-hwmon.c
> @@ -1165,6 +1165,13 @@ static const struct dmi_system_id i8k_blacklist_fan_type_dmi_table[] __initconst
>  			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Inspiron 580 "),
>  		},
>  	},
> +	{
> +		.ident = "Dell Inspiron 3505",
> +		.matches = {
> +			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> +			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Inspiron 3505"),
> +		},
> +	},
>  	{ }
>  };