[PATCH] iio: adc: ad7606_spi: use bitmap_full() in ad7606_spi_update_scan_mode()

[Yury Norov (NVIDIA)]

bitmap_empty() is more verbose and efficient, as it stops traversing
scan_mask as soon as the 1st set bit found.

Signed-off-by: Yury Norov (NVIDIA) <yury.norov@xxxxxxxxx>
---
 drivers/iio/adc/ad7606_spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c
index f28e4ca37707..7e17ccbcedd0 100644
--- a/drivers/iio/adc/ad7606_spi.c
+++ b/drivers/iio/adc/ad7606_spi.c
@@ -345,7 +345,7 @@ static int ad7606_spi_update_scan_mode(struct iio_dev *indio_dev,
 		 * has no way of demuxing the data to filter out unwanted
 		 * channels.
 		 */
-		if (bitmap_weight(scan_mask, num_adc_ch) != num_adc_ch)
+		if (!bitmap_full(scan_mask, num_adc_ch))
 			return -EINVAL;
 	}
 
-- 
2.43.0