From bffb7d9d1a3dbd09e083b88aefd093b3b10abbfb Mon Sep 17 00:00:00 2001
From: Andreas Kemnade <andreas@kemnade.info>
Date: Sat, 17 Dec 2022 23:13:05 +0100
Subject: [PATCH] iio:adc:twl6030: Enable measurement of VAC
Git-commit: bffb7d9d1a3dbd09e083b88aefd093b3b10abbfb
Patch-mainline: v6.2-rc7
References: git-fixes
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@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Fixes: 1696f36482e7 ("iio: twl6030-gpadc: TWL6030, TWL6032 GPADC driver")
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/20221217221305.671117-1-andreas@kemnade.info
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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");
--
2.35.3