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authorJishnu Prakash <quic_jprakash@quicinc.com>2022-04-03 16:17:47 +0300
committerDaniel Lezcano <daniel.lezcano@linaro.org>2022-05-19 13:11:51 +0300
commit238e34ad7d5ce36939ac1442c98c7cbb7771f4de (patch)
tree6fbf13e2098d6e5b4d053cbd4f01b8c2a0fc8749 /include/linux/iio
parente46e003a4897385886f932013673ecfd317c8156 (diff)
downloadlinux-238e34ad7d5ce36939ac1442c98c7cbb7771f4de.tar.xz
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 <quic_jprakash@quicinc.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/1648991869-20899-3-git-send-email-quic_jprakash@quicinc.com Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'include/linux/iio')
-rw-r--r--include/linux/iio/adc/qcom-vadc-common.h2
1 files changed, 2 insertions, 0 deletions
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);