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author | Ingo Molnar <mingo@kernel.org> | 2019-12-25 10:41:37 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-12-25 10:41:37 +0100 |
commit | 1e5f8a308551b9816588e12bb795aeadebe37c4a (patch) | |
tree | bd71fc796fed24a3b7cc99df4a1d1bdaecc2b387 /drivers/iio/adc/ad7124.c | |
parent | stop_machine: remove try_stop_cpus helper (diff) | |
parent | Linux 5.5-rc3 (diff) | |
download | linux-1e5f8a308551b9816588e12bb795aeadebe37c4a.tar.xz linux-1e5f8a308551b9816588e12bb795aeadebe37c4a.zip |
Merge tag 'v5.5-rc3' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/iio/adc/ad7124.c')
-rw-r--r-- | drivers/iio/adc/ad7124.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c index edc6f1cc90b2..3f03abf100b5 100644 --- a/drivers/iio/adc/ad7124.c +++ b/drivers/iio/adc/ad7124.c @@ -39,6 +39,8 @@ #define AD7124_STATUS_POR_FLAG_MSK BIT(4) /* AD7124_ADC_CONTROL */ +#define AD7124_ADC_CTRL_REF_EN_MSK BIT(8) +#define AD7124_ADC_CTRL_REF_EN(x) FIELD_PREP(AD7124_ADC_CTRL_REF_EN_MSK, x) #define AD7124_ADC_CTRL_PWR_MSK GENMASK(7, 6) #define AD7124_ADC_CTRL_PWR(x) FIELD_PREP(AD7124_ADC_CTRL_PWR_MSK, x) #define AD7124_ADC_CTRL_MODE_MSK GENMASK(5, 2) @@ -424,7 +426,10 @@ static int ad7124_init_channel_vref(struct ad7124_state *st, break; case AD7124_INT_REF: st->channel_config[channel_number].vref_mv = 2500; - break; + st->adc_control &= ~AD7124_ADC_CTRL_REF_EN_MSK; + st->adc_control |= AD7124_ADC_CTRL_REF_EN(1); + return ad_sd_write_reg(&st->sd, AD7124_ADC_CONTROL, + 2, st->adc_control); default: dev_err(&st->sd.spi->dev, "Invalid reference %d\n", refsel); return -EINVAL; |