iio: adc: meson-saradc: use NULL instead of 0 for pointer

Fix sparse warning: Using plain integer as NULL pointer

Signed-off-by: Paolo Cretaro <paolocretaro@gmail.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Paolo Cretaro 2017-05-28 13:24:38 +02:00 committed by Jonathan Cameron
parent 42d97ac6a8
commit 6b503b216d

View File

@ -481,7 +481,7 @@ static void meson_sar_adc_clear_fifo(struct iio_dev *indio_dev)
if (!meson_sar_adc_get_fifo_count(indio_dev))
break;
regmap_read(priv->regmap, MESON_SAR_ADC_FIFO_RD, 0);
regmap_read(priv->regmap, MESON_SAR_ADC_FIFO_RD, NULL);
}
}