diff options
Diffstat (limited to 'drivers/staging/iio/adc/ad7887.h')
| -rw-r--r-- | drivers/staging/iio/adc/ad7887.h | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/staging/iio/adc/ad7887.h b/drivers/staging/iio/adc/ad7887.h index 439c802b38f2..837046c7b894 100644 --- a/drivers/staging/iio/adc/ad7887.h +++ b/drivers/staging/iio/adc/ad7887.h @@ -48,24 +48,23 @@ struct ad7887_platform_data { bool use_onchip_ref; }; +/** + * struct ad7887_chip_info - chip specifc information + * @int_vref_mv: the internal reference voltage + * @channel: channel specification + */ + struct ad7887_chip_info { - u8 bits; /* number of ADC bits */ - u8 storagebits; /* number of bits read from the ADC */ - u8 left_shift; /* number of bits the sample must be shifted */ - char sign; /* [s]igned or [u]nsigned */ - u16 int_vref_mv; /* internal reference voltage */ + u16 int_vref_mv; + struct iio_chan_spec channel[3]; }; struct ad7887_state { - struct iio_dev *indio_dev; struct spi_device *spi; const struct ad7887_chip_info *chip_info; struct regulator *reg; - struct work_struct poll_work; - atomic_t protect_ring; size_t d_size; u16 int_vref_mv; - bool en_dual; struct spi_transfer xfer[4]; struct spi_message msg[3]; struct spi_message *ring_msg; |