The ad7780 supports both the ad778x and ad717x families. Each chip has a corresponding ID. This patch provides a mask for extracting ID values from the status bits and also macros for the correct values for the ad7170, ad7171, ad7780 and ad7781.
Signed-off-by: Renato Lui Geh <renato...@gmail.com> --- drivers/staging/iio/adc/ad7780.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index 56c49e28f432..ad7617a3a141 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -26,10 +26,14 @@ #define AD7780_RDY BIT(7) #define AD7780_FILTER BIT(6) #define AD7780_ERR BIT(5) -#define AD7780_ID1 BIT(4) -#define AD7780_ID0 BIT(3) #define AD7780_GAIN BIT(2) +#define AD7170_ID 0 +#define AD7171_ID 1 +#define AD7780_ID 1 +#define AD7781_ID 0 + +#define AD7780_ID_MASK (BIT(3) | BIT(4)) #define AD7780_PATTERN_GOOD 1 #define AD7780_PATTERN_MASK GENMASK(1, 0) -- 2.21.0
