diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c index 4c004af4749f..ba3c82f33d74 100644 --- a/drivers/iio/adc/ad7192.c +++ b/drivers/iio/adc/ad7192.c @@ -58,7 +58,8 @@ /* Mode Register Bit Designations (AD7192_REG_MODE) */ #define AD7192_MODE_SEL(x) (((x) & 0x7) << 21) /* Operation Mode Select */ #define AD7192_MODE_SEL_MASK (0x7 << 21) /* Operation Mode Select Mask */ -#define AD7192_MODE_DAT_STA BIT(20) /* Status Register transmission */ +#define AD7192_MODE_STA(x) (((x) & 0x1) << 20) /* Status Register transmission */ +#define AD7192_MODE_STA_MASK BIT(20) /* Status Register transmission Mask */ #define AD7192_MODE_CLKSRC(x) (((x) & 0x3) << 18) /* Clock Source Select */ #define AD7192_MODE_SINC3 BIT(15) /* SINC3 Filter Select */ #define AD7192_MODE_ACX BIT(14) /* AC excitation enable(AD7195 only)*/ @@ -288,12 +289,51 @@ static int ad7192_set_mode(struct ad_sigma_delta *sd, return ad_sd_write_reg(&st->sd, AD7192_REG_MODE, 3, st->mode); } +static int ad7192_append_status(struct ad_sigma_delta *sd, bool append) +{ + struct ad7192_state *st = ad_sigma_delta_to_ad7192(sd); + unsigned int mode = st->mode; + int ret; + + mode &= ~AD7192_MODE_STA_MASK; + mode |= AD7192_MODE_STA(append); + + ret = ad_sd_write_reg(&st->sd, AD7192_REG_MODE, 3, mode); + if (ret < 0) + return ret; + + st->mode = mode; + + return 0; +} + +static int ad7192_disable_all(struct ad_sigma_delta *sd) +{ + struct ad7192_state *st = ad_sigma_delta_to_ad7192(sd); + u32 conf = st->conf; + int ret; + + conf &= ~AD7192_CONF_CHAN_MASK; + + ret = ad_sd_write_reg(&st->sd, AD7192_REG_CONF, 3, conf); + if (ret < 0) + return ret; + + st->conf = conf; + + return 0; +} + static const struct ad_sigma_delta_info ad7192_sigma_delta_info = { .set_channel = ad7192_set_channel, + .append_status = ad7192_append_status, + .disable_all = ad7192_disable_all, .set_mode = ad7192_set_mode, .has_registers = true, .addr_shift = 3, .read_mask = BIT(6), + .status_ch_mask = GENMASK(3, 0), + .num_slots = 4, .irq_flags = IRQF_TRIGGER_FALLING, };