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[2/2] iio: dac: ad9739a: add backend debugfs interface

Message ID 20240806-dev-backend-dac-direct-reg-access-v1-2-b84a6e8ee8a0@analog.com (mailing list archive)
State Accepted
Headers show
Series iio: dac: add backend debugfs direct_reg_access | expand

Commit Message

Nuno Sa via B4 Relay Aug. 6, 2024, 1:35 p.m. UTC 
From: Nuno Sa <nuno.sa@analog.com>

Call iio_backend_debugfs_add() to add (if available) the backend debug
interface.

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
---
 drivers/iio/dac/ad9739a.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/iio/dac/ad9739a.c b/drivers/iio/dac/ad9739a.c
index 799387f21b9f..615d1a196db3 100644
--- a/drivers/iio/dac/ad9739a.c
+++ b/drivers/iio/dac/ad9739a.c
@@ -431,7 +431,13 @@  static int ad9739a_probe(struct spi_device *spi)
 	indio_dev->num_channels = ARRAY_SIZE(ad9739a_channels);
 	indio_dev->setup_ops = &ad9739a_buffer_setup_ops;
 
-	return devm_iio_device_register(&spi->dev, indio_dev);
+	ret = devm_iio_device_register(&spi->dev, indio_dev);
+	if (ret)
+		return ret;
+
+	iio_backend_debugfs_add(st->back, indio_dev);
+
+	return 0;
 }
 
 static const struct of_device_id ad9739a_of_match[] = {