diff options
Diffstat (limited to 'drivers/staging/iio/dac/ad5446.h')
| -rw-r--r-- | drivers/staging/iio/dac/ad5446.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/staging/iio/dac/ad5446.h b/drivers/staging/iio/dac/ad5446.h index 902542e22c4a..7ac63ab8a11d 100644 --- a/drivers/staging/iio/dac/ad5446.h +++ b/drivers/staging/iio/dac/ad5446.h @@ -27,6 +27,10 @@ #define RES_MASK(bits) ((1 << (bits)) - 1) +#define MODE_PWRDWN_1k 0x1 +#define MODE_PWRDWN_100k 0x2 +#define MODE_PWRDWN_TRISTATE 0x3 + /** * struct ad5446_state - driver instance specific data * @indio_dev: the industrial I/O device @@ -47,6 +51,9 @@ struct ad5446_state { struct regulator *reg; struct work_struct poll_work; unsigned short vref_mv; + unsigned cached_val; + unsigned pwr_down_mode; + unsigned pwr_down; struct spi_transfer xfer; struct spi_message msg; union { @@ -62,14 +69,16 @@ struct ad5446_state { * @left_shift: number of bits the datum must be shifted * @int_vref_mv: AD5620/40/60: the internal reference voltage * @store_sample: chip specific helper function to store the datum + * @store_sample: chip specific helper function to store the powerpown cmd */ struct ad5446_chip_info { - u8 bits; - u8 storagebits; - u8 left_shift; - u16 int_vref_mv; - void (*store_sample) (struct ad5446_state *st, unsigned val); + u8 bits; + u8 storagebits; + u8 left_shift; + u16 int_vref_mv; + void (*store_sample) (struct ad5446_state *st, unsigned val); + void (*store_pwr_down) (struct ad5446_state *st, unsigned mode); }; /** @@ -84,7 +93,12 @@ enum ad5446_supported_device_ids { ID_AD5444, ID_AD5446, ID_AD5542A, + ID_AD5543, ID_AD5512A, + ID_AD5553, + ID_AD5601, + ID_AD5611, + ID_AD5621, ID_AD5620_2500, ID_AD5620_1250, ID_AD5640_2500, |