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

[Paolo Cretaro]

Fix sparse warning: Using plain integer as NULL pointer

Signed-off-by: Paolo Cretaro <paolocret...@gmail.com>
---
 drivers/iio/adc/meson_saradc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index 81cd39a57fe3..fb3f67a9ae1f 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -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);
        }
 }
 
-- 
2.13.0