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iio: adc: rtq6056: Correct the sign bit index

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[ Upstream commit 9b45744bf09fc2a3287e05287141d6e123c125a7 ]

The vshunt/current reported register is a signed 16bit integer. The
sign bit index should be '15', not '16'.

Fixes: 4396f45d21 ("iio: adc: Add rtq6056 support")
Reported-by: Andy Hsu <andy_ya_hsu@wiwynn.com>
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[ adapted switch statement to existing if-else structure for sign_extend32() fix ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
ChiYuan Huang
2025-12-01 16:14:31 -05:00
committed by Greg Kroah-Hartman
parent 094f10f3f2
commit a395121fe2
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/adc/rtq6056.c
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@@ -171,7 +171,7 @@ static int rtq6056_adc_read_channel(struct rtq6056_priv *priv,
if (addr == RTQ6056_REG_BUSVOLT || addr == RTQ6056_REG_POWER)
*val = regval;
else
*val = sign_extend32(regval, 16);
*val = sign_extend32(regval, 15);
return IIO_VAL_INT;
}