diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/iio/adc/ad7793.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c index fce5156f74df..8928609a1828 100644 --- a/drivers/staging/iio/adc/ad7793.c +++ b/drivers/staging/iio/adc/ad7793.c @@ -102,8 +102,10 @@ #define AD7795_CH_AIN1M_AIN1M 8 /* AIN1(-) - AIN1(-) */ /* ID Register Bit Designations (AD7793_REG_ID) */ +#define AD7785_ID 0xB #define AD7792_ID 0xA #define AD7793_ID 0xB +#define AD7794_ID 0xF #define AD7795_ID 0xF #define AD7793_ID_MASK 0xF @@ -130,6 +132,7 @@ */ struct ad7793_chip_info { + unsigned int id; const struct iio_chan_spec *channels; unsigned int num_channels; }; @@ -231,7 +234,7 @@ static int ad7793_setup(struct iio_dev *indio_dev, id &= AD7793_ID_MASK; - if (!((id == AD7792_ID) || (id == AD7793_ID) || (id == AD7795_ID))) { + if (id != st->chip_info->id) { dev_err(&st->sd.spi->dev, "device ID query failed\n"); goto out; } @@ -531,22 +534,27 @@ static DECLARE_AD7795_CHANNELS(ad7795, 24, 32); static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { [ID_AD7785] = { + .id = AD7785_ID, .channels = ad7785_channels, .num_channels = ARRAY_SIZE(ad7785_channels), }, [ID_AD7792] = { + .id = AD7792_ID, .channels = ad7792_channels, .num_channels = ARRAY_SIZE(ad7792_channels), }, [ID_AD7793] = { + .id = AD7793_ID, .channels = ad7793_channels, .num_channels = ARRAY_SIZE(ad7793_channels), }, [ID_AD7794] = { + .id = AD7794_ID, .channels = ad7794_channels, .num_channels = ARRAY_SIZE(ad7794_channels), }, [ID_AD7795] = { + .id = AD7795_ID, .channels = ad7795_channels, .num_channels = ARRAY_SIZE(ad7795_channels), }, |