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Message-Id: <20240501215724.26655-3-jorge.harrisonn@usp.br>
Date: Wed, 1 May 2024 18:57:24 -0300
From: Jorge Harrisonn <jorge.harrisonn@....br>
To: jic23@...nel.org,
lars@...afoo.de
Cc: Jorge Harrisonn <jorge.harrisonn@....br>,
linux-iio@...r.kernel.org,
linux-kernel@...r.kernel.org,
laisnuto@....br
Subject: [PATCH 2/2] iio: adc: ad7923: using claim_direct_scoped for code simplification
Using iio_device_claim_direct_scoped instead of calling `iio_device
_claim_direct_modeand later callingiio_device_release_direct_mode`
This should make code cleaner and error handling easier
Co-authored-by: Lais Nuto <laisnuto@....br>
Signed-off-by: Lais Nuto <laisnuto@....br>
Signed-off-by: Jorge Harrisonn <jorge.harrisonn@....br>
---
drivers/iio/adc/ad7923.c | 30 ++++++++++++++----------------
1 file changed, 14 insertions(+), 16 deletions(-)
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
index 9d6bf6d0927a..a646521b2ef3 100644
--- a/drivers/iio/adc/ad7923.c
+++ b/drivers/iio/adc/ad7923.c
@@ -260,22 +260,20 @@ static int ad7923_read_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_RAW:
- ret = iio_device_claim_direct_mode(indio_dev);
- if (ret)
- return ret;
- ret = ad7923_scan_direct(st, chan->address);
- iio_device_release_direct_mode(indio_dev);
-
- if (ret < 0)
- return ret;
-
- if (chan->address == EXTRACT(ret, 12, 4))
- *val = EXTRACT(ret, chan->scan_type.shift,
- chan->scan_type.realbits);
- else
- return -EIO;
-
- return IIO_VAL_INT;
+ iio_device_claim_direct_scoped(return -EBUSY, indio_dev) {
+ ret = ad7923_scan_direct(st, chan->address);
+
+ if (ret < 0)
+ return ret;
+
+ if (chan->address == EXTRACT(ret, 12, 4))
+ *val = EXTRACT(ret, 0, 12);
+ else
+ return -EIO;
+
+ return IIO_VAL_INT;
+ }
+ unreachable();
case IIO_CHAN_INFO_SCALE:
ret = ad7923_get_range(st);
if (ret < 0)
--
2.34.1
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