Re: [PATCH] hwmon: (dell-smm) Add XPS 9315 to fan control whitelist

From: Pali Rohár
Date: Sat Mar 09 2024 - 16:45:10 EST


On Saturday 09 March 2024 22:20:25 Armin Wolf wrote:
> A user reported that on this machine, disabling BIOS fan control
> is necessary in order to change the fan speed.
>
> Signed-off-by: Armin Wolf <W_Armin@xxxxxx>

If it is working fine for that machine then I do not have any
objections.

Acked-by: Pali Rohár <pali@xxxxxxxxxx>

> ---
> drivers/hwmon/dell-smm-hwmon.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/drivers/hwmon/dell-smm-hwmon.c b/drivers/hwmon/dell-smm-hwmon.c
> index 6d8c0f328b7b..4fa837e65a61 100644
> --- a/drivers/hwmon/dell-smm-hwmon.c
> +++ b/drivers/hwmon/dell-smm-hwmon.c
> @@ -1450,10 +1450,15 @@ struct i8k_fan_control_data {
> };
>
> enum i8k_fan_controls {
> + I8K_FAN_30A3_31A3,
> I8K_FAN_34A3_35A3,
> };
>
> static const struct i8k_fan_control_data i8k_fan_control_data[] __initconst = {
> + [I8K_FAN_30A3_31A3] = {
> + .manual_fan = 0x30a3,
> + .auto_fan = 0x31a3,
> + },
> [I8K_FAN_34A3_35A3] = {
> .manual_fan = 0x34a3,
> .auto_fan = 0x35a3,
> @@ -1517,6 +1522,14 @@ static const struct dmi_system_id i8k_whitelist_fan_control[] __initconst = {
> },
> .driver_data = (void *)&i8k_fan_control_data[I8K_FAN_34A3_35A3],
> },
> + {
> + .ident = "Dell XPS 9315",
> + .matches = {
> + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
> + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "XPS 9315"),
> + },
> + .driver_data = (void *)&i8k_fan_control_data[I8K_FAN_30A3_31A3],
> + },
> { }
> };
>
> --
> 2.39.2
>