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iio: adc: max11410: fix incomplete vref buffer mask

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VREFP bit was missing from channel configuration mask and VREFN bit was
included twice instead which fails to enable positive reference buffer when
requested by a channel. Channels that don't enable vrefp buffer were not
affected.

Fixes: a44ef7c460 ("iio: adc: add max11410 adc driver")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
Link: https://lore.kernel.org/r/20221122114718.17557-1-Ibrahim.Tilki@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Ibrahim Tilki 2022-11-22 14:47:18 +03:00 committed by Jonathan Cameron
parent 1140f96cd4
commit 99b43a1591
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/max11410.c
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@ -370,7 +370,7 @@ static int max11410_configure_channel(struct max11410_state *st,
FIELD_PREP(MAX11410_CTRL_UNIPOLAR_BIT, cfg.bipolar ? 0 : 1);
ret = regmap_update_bits(st->regmap, MAX11410_REG_CTRL,
MAX11410_CTRL_REFSEL_MASK |
MAX11410_CTRL_VREFN_BUF_BIT |
MAX11410_CTRL_VREFP_BUF_BIT |
MAX11410_CTRL_VREFN_BUF_BIT |
MAX11410_CTRL_UNIPOLAR_BIT, regval);
if (ret)