VAC needs to be wired up to produce proper measurements,
without this change only near zero values are reported.
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Julia Lawall <julia.lawall@xxxxxxx>
Fixes: 1696f36482e7 ("iio: twl6030-gpadc: TWL6030, TWL6032 GPADC driver")
Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx>
---
drivers/iio/adc/twl6030-gpadc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c
index 40438e5b4970..32873fb5f367 100644
--- a/drivers/iio/adc/twl6030-gpadc.c
+++ b/drivers/iio/adc/twl6030-gpadc.c
@@ -952,7 +952,7 @@ static int twl6030_gpadc_probe(struct platform_device *pdev)
}
ret = twl_i2c_write_u8(TWL6030_MODULE_ID0,
- VBAT_MEAS | BB_MEAS | BB_MEAS,
+ VBAT_MEAS | BB_MEAS | VAC_MEAS,
TWL6030_MISC1);
if (ret < 0) {
dev_err(dev, "failed to wire up inputs\n");
--
2.30.2
