linux-kernel - [PATCH 1/2] iio:adc:qcom-spmi-vadc: add default scale to LR_MUX2_BAT

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Date:   Wed, 13 Jan 2021 16:18:07 +0100
From:   Jonathan Albrieux <jonathan.albrieux@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        Jonathan Albrieux <jonathan.albrieux@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-arm-msm@...r.kernel.org, linux-iio@...r.kernel.org
Subject: [PATCH 1/2] iio:adc:qcom-spmi-vadc: add default scale to LR_MUX2_BAT_ID channel

Checking at both msm8909-pm8916.dtsi and msm8916.dtsi from downstream
it is indicated that "batt_id" channel has to be scaled with the default
function:

	chan@31 {
		label = "batt_id";
		reg = <0x31>;
		qcom,decimation = <0>;
		qcom,pre-div-channel-scaling = <0>;
		qcom,calibration-type = "ratiometric";
		qcom,scale-function = <0>;
		qcom,hw-settle-time = <0xb>;
		qcom,fast-avg-setup = <0>;
	};

Change LR_MUX2_BAT_ID scaling accordingly.

Signed-off-by: Jonathan Albrieux <jonathan.albrieux@...il.com>
---
 drivers/iio/adc/qcom-spmi-vadc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/qcom-spmi-vadc.c b/drivers/iio/adc/qcom-spmi-vadc.c
index b0388f8a69f4..7e7d408452ec 100644
--- a/drivers/iio/adc/qcom-spmi-vadc.c
+++ b/drivers/iio/adc/qcom-spmi-vadc.c
@@ -598,7 +598,7 @@ static const struct vadc_channels vadc_chans[] = {
 	VADC_CHAN_NO_SCALE(P_MUX16_1_3, 1)
 
 	VADC_CHAN_NO_SCALE(LR_MUX1_BAT_THERM, 0)
-	VADC_CHAN_NO_SCALE(LR_MUX2_BAT_ID, 0)
+	VADC_CHAN_VOLT(LR_MUX2_BAT_ID, 0, SCALE_DEFAULT)
 	VADC_CHAN_NO_SCALE(LR_MUX3_XO_THERM, 0)
 	VADC_CHAN_NO_SCALE(LR_MUX4_AMUX_THM1, 0)
 	VADC_CHAN_NO_SCALE(LR_MUX5_AMUX_THM2, 0)
-- 
2.17.1