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| author | Renato Lui Geh <renatogeh@gmail.com> | 2019-03-15 23:14:27 -0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-04-04 20:20:04 +0100 |
| commit | 4812a14a78c82cfe81cb5fd7555a9de723b49a59 (patch) | |
| tree | 4b57275075098072f2bb38f02f9d48ad2bed7421 /drivers/staging/iio | |
| parent | 33e1f90204f0a291f898c371f68557892526160c (diff) | |
| download | linux-stable-4812a14a78c82cfe81cb5fd7555a9de723b49a59.tar.gz linux-stable-4812a14a78c82cfe81cb5fd7555a9de723b49a59.tar.bz2 linux-stable-4812a14a78c82cfe81cb5fd7555a9de723b49a59.zip | |
staging:iio:ad7780: add chip ID values and mask
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 <renatogeh@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/staging/iio')
| -rw-r--r-- | drivers/staging/iio/adc/ad7780.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index 8ee1f884e7cf..f064dcfc53f1 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -30,6 +30,12 @@ #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 (AD7780_ID0 | AD7780_ID1) #define AD7780_PATTERN_GOOD 1 #define AD7780_PATTERN_MASK GENMASK(1, 0) |