[PATCH v2 7/8] iio: adc: ad7124: add disable_all() callback

alexandru.tachici
2022-03-18T16:18:10Z

Add the disable all callback to the ad_sigma_delta_info struct.

Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
---
drivers/iio/adc/ad7124.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 782b7cdd8ebe..3214079ff05f 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -524,9 +524,25 @@ static int ad7124_append_status(struct ad_sigma_delta *sd, bool append)
return ad_sd_write_reg(&st->sd, AD7124_ADC_CONTROL, 2, st->adc_control);
}

+static int ad7124_disable_all(struct ad_sigma_delta *sd)
+{
+ struct ad7124_state *st = container_of(sd, struct ad7124_state, sd);
+ int ret;
+ int i;
+
+ for (i = 0; i < st->num_channels; i++) {
+ ret = ad7124_spi_write_mask(st, AD7124_CHANNEL(i), AD7124_CHANNEL_EN_MSK, 0, 2);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
static const struct ad_sigma_delta_info ad7124_sigma_delta_info = {
.set_channel = ad7124_set_channel,
.append_status = ad7124_append_status,
+ .disable_all = ad7124_disable_all,
.set_mode = ad7124_set_mode,
.has_registers = true,
.addr_shift = 0,
--
2.25.1