Commit 9f296c61 authored Dec 17, 2022 by Andreas Kemnade Committed by Greg Kroah-Hartman Feb 22, 2023

iio:adc:twl6030: Enable measurement of VAC



[ Upstream commit bffb7d9d1a3dbd09e083b88aefd093b3b10abbfb ]

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: 1696f364 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 9cf5e99c

drivers/iio/adc/twl6030-gpadc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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");