Re: [PATCH] thermal/drivers/mediatek: Fix control buffer enablement on MT7896

[Markus Schneider-Pargmann]

On Thu, Sep 07, 2023 at 01:20:18PM +0200, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>
> 
> Reading thermal sensor on mt7986 devices returns invalid temperature:
> 
> bpi-r3 ~ # cat /sys/class/thermal/thermal_zone0/temp
>  -274000
> 
> Fix this by adding missing members in mtk_thermal_data struct which were
> used in mtk_thermal_turn_on_buffer after commit 33140e668b10.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 33140e668b10 ("thermal/drivers/mediatek: Control buffer enablement tweaks")
> Signed-off-by: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx>

Reviewed-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx>

Thanks for fixing!

Best,
Markus

> ---
>  drivers/thermal/mediatek/auxadc_thermal.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/thermal/mediatek/auxadc_thermal.c b/drivers/thermal/mediatek/auxadc_thermal.c
> index 843214d30bd8..967b9a1aead4 100644
> --- a/drivers/thermal/mediatek/auxadc_thermal.c
> +++ b/drivers/thermal/mediatek/auxadc_thermal.c
> @@ -690,6 +690,9 @@ static const struct mtk_thermal_data mt7986_thermal_data = {
>  	.adcpnp = mt7986_adcpnp,
>  	.sensor_mux_values = mt7986_mux_values,
>  	.version = MTK_THERMAL_V3,
> +	.apmixed_buffer_ctl_reg = APMIXED_SYS_TS_CON1,
> +	.apmixed_buffer_ctl_mask = GENMASK(31, 6) | BIT(3),
> +	.apmixed_buffer_ctl_set = BIT(0),
>  };
>  
>  static bool mtk_thermal_temp_is_valid(int temp)
> -- 
> 2.34.1
> 
> 
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