diff options
Diffstat (limited to 'drivers/iio/adc/axp20x_adc.c')
| -rw-r--r-- | drivers/iio/adc/axp20x_adc.c | 45 |
1 files changed, 39 insertions, 6 deletions
diff --git a/drivers/iio/adc/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c index df99f1365c39..53bf7d4899d2 100644 --- a/drivers/iio/adc/axp20x_adc.c +++ b/drivers/iio/adc/axp20x_adc.c @@ -186,6 +186,8 @@ static const struct iio_chan_spec axp20x_adc_channels[] = { AXP20X_BATT_CHRG_I_H), AXP20X_ADC_CHANNEL(AXP20X_BATT_DISCHRG_I, "batt_dischrg_i", IIO_CURRENT, AXP20X_BATT_DISCHRG_I_H), + AXP20X_ADC_CHANNEL(AXP20X_TS_IN, "ts_v", IIO_VOLTAGE, + AXP20X_TS_IN_H), }; static const struct iio_chan_spec axp22x_adc_channels[] = { @@ -203,6 +205,8 @@ static const struct iio_chan_spec axp22x_adc_channels[] = { AXP20X_BATT_CHRG_I_H), AXP20X_ADC_CHANNEL(AXP22X_BATT_DISCHRG_I, "batt_dischrg_i", IIO_CURRENT, AXP20X_BATT_DISCHRG_I_H), + AXP20X_ADC_CHANNEL(AXP22X_TS_IN, "ts_v", IIO_VOLTAGE, + AXP22X_TS_ADC_H), }; static const struct iio_chan_spec axp813_adc_channels[] = { @@ -222,6 +226,8 @@ static const struct iio_chan_spec axp813_adc_channels[] = { AXP20X_BATT_CHRG_I_H), AXP20X_ADC_CHANNEL(AXP22X_BATT_DISCHRG_I, "batt_dischrg_i", IIO_CURRENT, AXP20X_BATT_DISCHRG_I_H), + AXP20X_ADC_CHANNEL(AXP813_TS_IN, "ts_v", IIO_VOLTAGE, + AXP288_TS_ADC_H), }; static int axp20x_adc_raw(struct iio_dev *indio_dev, @@ -296,11 +302,36 @@ static int axp20x_adc_scale_voltage(int channel, int *val, int *val2) *val2 = 400000; return IIO_VAL_INT_PLUS_MICRO; + case AXP20X_TS_IN: + /* 0.8 mV per LSB */ + *val = 0; + *val2 = 800000; + return IIO_VAL_INT_PLUS_MICRO; + default: return -EINVAL; } } +static int axp22x_adc_scale_voltage(int channel, int *val, int *val2) +{ + switch (channel) { + case AXP22X_BATT_V: + /* 1.1 mV per LSB */ + *val = 1; + *val2 = 100000; + return IIO_VAL_INT_PLUS_MICRO; + + case AXP22X_TS_IN: + /* 0.8 mV per LSB */ + *val = 0; + *val2 = 800000; + return IIO_VAL_INT_PLUS_MICRO; + + default: + return -EINVAL; + } +} static int axp813_adc_scale_voltage(int channel, int *val, int *val2) { switch (channel) { @@ -314,6 +345,12 @@ static int axp813_adc_scale_voltage(int channel, int *val, int *val2) *val2 = 100000; return IIO_VAL_INT_PLUS_MICRO; + case AXP813_TS_IN: + /* 0.8 mV per LSB */ + *val = 0; + *val2 = 800000; + return IIO_VAL_INT_PLUS_MICRO; + default: return -EINVAL; } @@ -367,12 +404,7 @@ static int axp22x_adc_scale(struct iio_chan_spec const *chan, int *val, { switch (chan->type) { case IIO_VOLTAGE: - if (chan->channel != AXP22X_BATT_V) - return -EINVAL; - - *val = 1; - *val2 = 100000; - return IIO_VAL_INT_PLUS_MICRO; + return axp22x_adc_scale_voltage(chan->channel, val, val2); case IIO_CURRENT: *val = 1; @@ -476,6 +508,7 @@ static int axp22x_read_raw(struct iio_dev *indio_dev, { switch (mask) { case IIO_CHAN_INFO_OFFSET: + /* For PMIC temp only */ *val = -2677; return IIO_VAL_INT; |