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iio: qcom-spmi-adc5: update scaling ratios for SMB_ICHG and SMB_IIN

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Update scaling ratios for SMB_ICHG and SMB_IIN ADC channels, following
HW recommendation. Update default prescaling values used for SMB_IIN
and ICHG_FB channels to match changes made in the prescaling array.

Change-Id: I2b016e021d3c9e8b76cd5400c6790030da088093
Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
[quic_subbaram@quicinc.com: Fixed merge conflicts in qcom-spmi-adc5.c
 because common code moved to qcom-vadc-common.c]
Signed-off-by: Subbaraman Narayanamurthy <quic_subbaram@quicinc.com>
[quic_collinsd@quicinc.com: changed prescale "num" and "den"
 to "numerator" and "denominator" respectively]
Signed-off-by: David Collins <quic_collinsd@quicinc.com>
This commit is contained in:
Jishnu Prakash 2021-03-02 09:26:31 +05:30 committed by David Collins
parent a0fc6a0c06
commit 640fa8d8d9
2 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/iio/adc/qcom-spmi-adc5.c
View File

@ -629,11 +629,11 @@ static const struct adc5_channels adc7_chans_pmic[ADC5_MAX_CHANNEL] = {
SCALE_HW_CALIB_PM7_CHG_TEMP)
[ADC7_IIN_FB] = ADC5_CHAN_CUR("iin_fb", 9,
SCALE_HW_CALIB_CUR)
[ADC7_IIN_SMB] = ADC5_CHAN_CUR("iin_smb", 9,
SCALE_HW_CALIB_CUR)
[ADC7_ICHG_SMB] = ADC5_CHAN_CUR("ichg_smb", 10,
SCALE_HW_CALIB_CUR)
[ADC7_IIN_SMB] = ADC5_CHAN_CUR("iin_smb", 11,
SCALE_HW_CALIB_CUR)
[ADC7_ICHG_FB] = ADC5_CHAN_CUR("ichg_fb", 12,
[ADC7_ICHG_FB] = ADC5_CHAN_CUR("ichg_fb", 11,
SCALE_HW_CALIB_CUR_RAW)
[ADC7_DIE_TEMP] = ADC5_CHAN_TEMP("die_temp", 0,
SCALE_HW_CALIB_PMIC_THERM_PM7)

5
drivers/iio/adc/qcom-vadc-common.c
View File

@ -531,9 +531,8 @@ static const struct u32_fract adc5_prescale_ratios[] = {
{ .numerator = 1, .denominator = 10 },
{ .numerator = 1, .denominator = 16 },
/* Prescale ratios for current channels below */
{ .numerator = 32, .denominator = 100 }, /* IIN_FB */
{ .numerator = 14, .denominator = 100 }, /* ICHG_SMB */
{ .numerator = 28, .denominator = 100 }, /* IIN_SMB */
{ .numerator = 32, .denominator = 100 }, /* IIN_FB, IIN_SMB */
{ .numerator = 16, .denominator = 100 }, /* ICHG_SMB */
{ .numerator = 1000, .denominator = 305185 }, /* ICHG_FB */
{ .numerator = 1000, .denominator = 610370 }, /* ICHG_FB_2X */
};