iio: adc: ad7124: fix mask used for setting AIN_BUFP & AIN_BUFM bits

According to page 90 of the datasheet [1], AIN_BUFP is bit 6 and
AIN_BUFM is bit 5 of the CONFIG_0 -> CONFIG_7 registers.

Fix the mask used for setting these bits.

[1]: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7124-8.pdf

Fixes: 0eaecea6e487 ("iio: adc: ad7124: Add buffered input support")
Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com>
Link: https://lore.kernel.org/r/20220112200036.694490-1-cosmin.tanislav@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index bc2cfa5f9592242ab02541d8f2b11eebc53a18df..b400bbe291aa4868f7c5155169ebac0f176beaeb 100644 (file)
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -76,7 +76,7 @@
 #define AD7124_CONFIG_REF_SEL(x)       FIELD_PREP(AD7124_CONFIG_REF_SEL_MSK, x)
 #define AD7124_CONFIG_PGA_MSK          GENMASK(2, 0)
 #define AD7124_CONFIG_PGA(x)           FIELD_PREP(AD7124_CONFIG_PGA_MSK, x)
-#define AD7124_CONFIG_IN_BUFF_MSK      GENMASK(7, 6)
+#define AD7124_CONFIG_IN_BUFF_MSK      GENMASK(6, 5)
 #define AD7124_CONFIG_IN_BUFF(x)       FIELD_PREP(AD7124_CONFIG_IN_BUFF_MSK, x)
 
 /* AD7124_FILTER_X */