Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Thara Gopinath <thara.gopinath@linaro.org>
Subject: Re: [PATCH v10 2/8] drivers: thermal: tsens: Don't hardcode sensor
 slope
To:     Ansuel Smith <ansuelsmth@gmail.com>,
        Amit Kucheria <amitk@kernel.org>
Cc:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Zhang Rui <rui.zhang@intel.com>,
        Daniel Lezcano <daniel.lezcano@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20210217194011.22649-1-ansuelsmth@gmail.com>
 <20210217194011.22649-3-ansuelsmth@gmail.com>
Message-ID: <7e81650f-c058-c105-d465-f35dd890e563@linaro.org>
Date:   Thu, 18 Mar 2021 17:15:15 -0400
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.10.0
MIME-Version: 1.0
In-Reply-To: <20210217194011.22649-3-ansuelsmth@gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Precedence: bulk


On 2/17/21 2:40 PM, Ansuel Smith wrote:
> Function compute_intercept_slope hardcode the sensor slope to
> SLOPE_DEFAULT. Change this and use the default value only if a slope is
> not defined. This is needed for tsens VER_0 that has a hardcoded slope
> table.
> 
> Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>

Reviewed-by: Thara Gopinath <thara.gopinath@linaro.org>

Warm Regards
Thara

> ---
>   drivers/thermal/qcom/tsens.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
> index f9126909892b..842f518fdf84 100644
> --- a/drivers/thermal/qcom/tsens.c
> +++ b/drivers/thermal/qcom/tsens.c
> @@ -86,7 +86,8 @@ void compute_intercept_slope(struct tsens_priv *priv, u32 *p1,
>   			"%s: sensor%d - data_point1:%#x data_point2:%#x\n",
>   			__func__, i, p1[i], p2[i]);
>   
> -		priv->sensor[i].slope = SLOPE_DEFAULT;
> +		if (!priv->sensor[i].slope)
> +			priv->sensor[i].slope = SLOPE_DEFAULT;
>   		if (mode == TWO_PT_CALIB) {
>   			/*
>   			 * slope (m) = adc_code2 - adc_code1 (y2 - y1)/
> 

-- 
Warm Regards
Thara