[PATCH v8 4/8] iio: adc: ad4030: Use BIT macro to improve code readability
From: Marcelo Schmitt <marcelo.schmitt@analog.com>
Date: 2026-02-06 19:02:02
Also in:
linux-doc, linux-iio, lkml
Subsystem:
ad4030 adc driver (ad4030-24/ad4630-16/ad4630-24/ad4632-16/ad4632-24), analog devices inc iio drivers, iio subsystem and drivers, the rest · Maintainers:
Michael Hennerich, Nuno Sá, Jonathan Cameron, Linus Torvalds
Use BIT macro to make the list of average modes more readable. Suggested-by: Andy Shevchenko <redacted> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Acked-by: Andy Shevchenko <redacted> Signed-off-by: Marcelo Schmitt <marcelo.schmitt@analog.com> --- Change log v7 -> v8 - Added comment in the list of available average modes to prevent regrouping in the future. drivers/iio/adc/ad4030.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/adc/ad4030.c b/drivers/iio/adc/ad4030.c
index 68446db9bef1..def3e1d01ceb 100644
--- a/drivers/iio/adc/ad4030.c
+++ b/drivers/iio/adc/ad4030.c@@ -232,10 +232,16 @@ struct ad4030_state { .num_ext_scan_type = ARRAY_SIZE(_scan_type), \ } +/* + * AD4030 can average over 2^N samples, where N = 1, 2, 3, ..., 16. + * We use N = 0 to mean no sample averaging. + */ static const int ad4030_average_modes[] = { - 1, 2, 4, 8, 16, 32, 64, 128, - 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, - 65536, + BIT(0), /* No sampling average */ + BIT(1), BIT(2), BIT(3), BIT(4), + BIT(5), BIT(6), BIT(7), BIT(8), + BIT(9), BIT(10), BIT(11), BIT(12), + BIT(13), BIT(14), BIT(15), BIT(16), }; static int ad4030_enter_config_mode(struct ad4030_state *st)
--
2.39.2