change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

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