From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio

---
 kernel/drivers/iio/adc/ad_sigma_delta.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/kernel/drivers/iio/adc/ad_sigma_delta.c b/kernel/drivers/iio/adc/ad_sigma_delta.c
index 3a6f239..496cb2b 100644
--- a/kernel/drivers/iio/adc/ad_sigma_delta.c
+++ b/kernel/drivers/iio/adc/ad_sigma_delta.c
@@ -280,10 +280,10 @@
 	unsigned int data_reg;
 	int ret = 0;
 
-	if (iio_buffer_enabled(indio_dev))
-		return -EBUSY;
+	ret = iio_device_claim_direct_mode(indio_dev);
+	if (ret)
+		return ret;
 
-	mutex_lock(&indio_dev->mlock);
 	ad_sigma_delta_set_channel(sigma_delta, chan->address);
 
 	spi_bus_lock(sigma_delta->spi->master);
@@ -322,7 +322,7 @@
 	ad_sigma_delta_set_mode(sigma_delta, AD_SD_MODE_IDLE);
 	sigma_delta->bus_locked = false;
 	spi_bus_unlock(sigma_delta->spi->master);
-	mutex_unlock(&indio_dev->mlock);
+	iio_device_release_direct_mode(indio_dev);
 
 	if (ret)
 		return ret;

--
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