linux-kernel - [PATCH v2 8/8] iio: adc: ad7192: add disable

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Date:   Fri, 18 Mar 2022 18:27:22 +0200
From:   <alexandru.tachici@...log.com>
To:     <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <jic23@...nel.org>,
        Alexandru Tachici <alexandru.tachici@...log.com>
Subject: [PATCH v2 8/8] iio: adc: ad7192: add disable_all() callback

From: Alexandru Tachici <alexandru.tachici@...log.com>

Add disable_all() callback to the ad_sigma_delta_info.

Signed-off-by: Alexandru Tachici <alexandru.tachici@...log.com>
---
 drivers/iio/adc/ad7192.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index e59753c61274..5bc929b5367a 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -299,9 +299,19 @@ static int ad7192_append_status(struct ad_sigma_delta *sd, bool append)
 	return ad_sd_write_reg(&st->sd, AD7192_REG_MODE, 3, st->mode);
 }
 
+static int ad7192_disable_all(struct ad_sigma_delta *sd)
+{
+	struct ad7192_state *st = ad_sigma_delta_to_ad7192(sd);
+
+	st->conf &= ~AD7192_CONF_CHAN_MASK;
+
+	return ad_sd_write_reg(&st->sd, AD7192_REG_CONF, 3, st->conf);
+}
+
 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,
-- 
2.25.1