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Commit 26132e37 authored by Jishnu Prakash's avatar Jishnu Prakash
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iio: adc: qcom-vadc-common: Change ADC7 die_temp output unit to mC 



Change ADC7 die_temp output unit from C to mC, as thermal
framework expects temperatures to be reported in mC.

Change-Id: Ie14b745f7db625f399ac5f79b3467a1654ea4a21
Signed-off-by: default avatarJishnu Prakash <jprakash@codeaurora.org>
parent d76cd6ca

drivers/iio/adc/qcom-vadc-common.c

+2 −1
Original line number Diff line number Diff line
@@ -1142,7 +1142,8 @@ static int qcom_vadc7_scale_hw_calib_die_temp( 
	} else {

		vtemp0 = adcmap7_die_temp[i-1].x;

		voltage = voltage - vtemp0;

		temp = div64_s64(voltage, adcmap7_die_temp[i-1].y);

		temp = div64_s64(voltage * DIE_TEMP_ADC7_SCALE_FACTOR,

				adcmap7_die_temp[i-1].y);

		temp += DIE_TEMP_ADC7_SCALE_1 + (DIE_TEMP_ADC7_SCALE_2 * (i-1));

		*result_mdec = temp;

	}

drivers/iio/adc/qcom-vadc-common.h

+4 −3
Original line number Diff line number Diff line
@@ -86,9 +86,10 @@ 
#define R_PU_100K			100000

#define RATIO_MAX_ADC7		0x4000



#define DIE_TEMP_ADC7_SCALE_1				-60

#define DIE_TEMP_ADC7_SCALE_2				20

#define DIE_TEMP_ADC7_MAX				160

#define DIE_TEMP_ADC7_SCALE_1				-60000

#define DIE_TEMP_ADC7_SCALE_2				20000

#define DIE_TEMP_ADC7_SCALE_FACTOR			1000

#define DIE_TEMP_ADC7_MAX				160000



/**

 * struct vadc_map_pt - Map the graph representation for ADC channel