Re: [PATCH v4 4/7] thermal: qcom: tsens: Add support for MSM8952 tsens

[Dmitry Baryshkov]

On Tue, Oct 06, 2026 at 03:15:11PM +0300, Muzaffer Kadir via B4 Relay wrote:
> From: Muzaffer Kadir <muzafferkadir@xxxxxxxxxxxxxx>
> 
> Add support for tsens v1 block that exists on MSM8952
> with 11 tsens sensors. Sensor Offsets and slope values
> are taken from downstream.
> 
> Link: https://android.googlesource.com/kernel/msm.git/+/refs/tags/android-wear-7.0.0_r0.3/drivers/thermal/msm-tsens.c#1621
> Signed-off-by: Muzaffer Kadir <muzafferkadir@xxxxxxxxxxxxxx>
> ---
>  drivers/thermal/qcom/tsens-v1.c | 44 +++++++++++++++++++++++++++++++++++++++++
>  drivers/thermal/qcom/tsens.c    |  3 +++
>  drivers/thermal/qcom/tsens.h    |  2 +-
>  3 files changed, 48 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c
> index faa5d00788ca..f4201748ea29 100644
> --- a/drivers/thermal/qcom/tsens-v1.c
> +++ b/drivers/thermal/qcom/tsens-v1.c
> @@ -145,6 +145,37 @@ static const struct reg_field tsens_v1_regfields[MAX_REGFIELDS] = {
>  	[TRDY] = REG_FIELD(TM_TRDY_OFF, 0, 0),
>  };
>  
> +static int __init init_8952(struct tsens_priv *priv)
> +{
> +	for (int i = 0; i < priv->num_sensors; ++i)
> +		priv->sensor[i].slope = 3200;

Where are these values coming from? The driver that you pointed out
reads them from the QFPROM (like other tsens platforms do).

> +
> +	priv->sensor[0].p1_calib_offset = 2;
> +	priv->sensor[0].p2_calib_offset = -1;

-- 
With best wishes
Dmitry