From: Naidu Tellapati <naidu.tellapati@imgtec.com>
Date: Thu, 7 May 2015 21:22:19 +0000 (-0300)
Subject: iio: adc: cc10001: Fix regulator_get_voltage() return value check
X-Git-Tag: MMI-PSA29.97-13-9~10069^2^2~2
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=65a761bf8d55fdcf8ecc4642382a4e76c086e44c;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

iio: adc: cc10001: Fix regulator_get_voltage() return value check

regulator_get_voltage() returns a non-negative value in case of success,
and a negative error in case of error. Let's fix this.

Fixes: 1664f6a5b0c8 ("iio: adc: Cosmic Circuits 10001 ADC driver")
Signed-off-by: Naidu Tellapati <naidu.tellapati@imgtec.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

diff --git a/drivers/iio/adc/cc10001_adc.c b/drivers/iio/adc/cc10001_adc.c
index e7810ac8e295..fb7c5d2cc61a 100644
--- a/drivers/iio/adc/cc10001_adc.c
+++ b/drivers/iio/adc/cc10001_adc.c
@@ -230,7 +230,7 @@ static int cc10001_adc_read_raw(struct iio_dev *indio_dev,
 
 	case IIO_CHAN_INFO_SCALE:
 		ret = regulator_get_voltage(adc_dev->reg);
-		if (ret)
+		if (ret < 0)
 			return ret;
 
 		*val = ret / 1000;