From 238e34ad7d5ce36939ac1442c98c7cbb7771f4de Mon Sep 17 00:00:00 2001 From: Jishnu Prakash Date: Sun, 3 Apr 2022 18:47:47 +0530 Subject: iio: adc: qcom-vadc-common: add reverse scaling for PMIC5 Gen2 ADC_TM Add reverse scaling function for PMIC5 Gen2 ADC_TM, to convert temperature to raw ADC code, for setting thresholds for thermistor channels. Signed-off-by: Jishnu Prakash Acked-by: Jonathan Cameron Link: https://lore.kernel.org/r/1648991869-20899-3-git-send-email-quic_jprakash@quicinc.com Signed-off-by: Daniel Lezcano --- include/linux/iio/adc/qcom-vadc-common.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/linux') diff --git a/include/linux/iio/adc/qcom-vadc-common.h b/include/linux/iio/adc/qcom-vadc-common.h index ce78d4804994..aa21b032e861 100644 --- a/include/linux/iio/adc/qcom-vadc-common.h +++ b/include/linux/iio/adc/qcom-vadc-common.h @@ -152,6 +152,8 @@ int qcom_adc5_hw_scale(enum vadc_scale_fn_type scaletype, u16 qcom_adc_tm5_temp_volt_scale(unsigned int prescale_ratio, u32 full_scale_code_volt, int temp); +u16 qcom_adc_tm5_gen2_temp_res_scale(int temp); + int qcom_adc5_prescaling_from_dt(u32 num, u32 den); int qcom_adc5_hw_settle_time_from_dt(u32 value, const unsigned int *hw_settle); -- cgit v1.2.3