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From: Kurt Borja <kuurtb@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@intel.com>,
	 Lars-Peter Clausen <lars@metafoo.de>,
	 Michael Hennerich <Michael.Hennerich@analog.com>,
	 Jonathan Cameron <jic23@kernel.org>,
	Benson Leung <bleung@chromium.org>,
	 Antoniu Miclaus <antoniu.miclaus@analog.com>,
	 Gwendal Grignou <gwendal@chromium.org>,
	 Shrikant Raskar <raskar.shree97@gmail.com>,
	 Per-Daniel Olsson <perdaniel.olsson@axis.com>
Cc: "David Lechner" <dlechner@baylibre.com>,
	"Nuno Sá" <nuno.sa@analog.com>,
	"Andy Shevchenko" <andy@kernel.org>,
	"Guenter Roeck" <groeck@chromium.org>,
	"Jonathan Cameron" <Jonathan.Cameron@huawei.com>,
	linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
	chrome-platform@lists.linux.dev, "Kurt Borja" <kuurtb@gmail.com>
Subject: [PATCH v2 5/7] iio: light: vcnl4000: Use IIO cleanup helpers
Date: Thu, 11 Dec 2025 21:45:23 -0500	[thread overview]
Message-ID: <20251211-lock-impr-v2-5-6fb47bdaaf24@gmail.com> (raw)
In-Reply-To: <20251211-lock-impr-v2-0-6fb47bdaaf24@gmail.com>

Use IIO_DEV_ACQUIRE_DIRECT_MODE() helper to automatically release direct
mode.

Signed-off-by: Kurt Borja <kuurtb@gmail.com>
---
 drivers/iio/light/vcnl4000.c | 49 ++++++++++++++++----------------------------
 1 file changed, 18 insertions(+), 31 deletions(-)

diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c
index 4dbb2294a843..4184104ac8f2 100644
--- a/drivers/iio/light/vcnl4000.c
+++ b/drivers/iio/light/vcnl4000.c
@@ -1078,20 +1078,17 @@ static int vcnl4010_read_raw(struct iio_dev *indio_dev,
 
 	switch (mask) {
 	case IIO_CHAN_INFO_RAW:
-	case IIO_CHAN_INFO_SCALE:
-		if (!iio_device_claim_direct(indio_dev))
+	case IIO_CHAN_INFO_SCALE: {
+		IIO_DEV_ACQUIRE_DIRECT_MODE(indio_dev, claim);
+		if (IIO_DEV_ACQUIRE_ERR(&claim))
 			return -EBUSY;
 
 		/* Protect against event capture. */
-		if (vcnl4010_is_in_periodic_mode(data)) {
-			ret = -EBUSY;
-		} else {
-			ret = vcnl4000_read_raw(indio_dev, chan, val, val2,
-						mask);
-		}
+		if (vcnl4010_is_in_periodic_mode(data))
+			return -EBUSY;
 
-		iio_device_release_direct(indio_dev);
-		return ret;
+		return vcnl4000_read_raw(indio_dev, chan, val, val2, mask);
+	}
 	case IIO_CHAN_INFO_SAMP_FREQ:
 		switch (chan->type) {
 		case IIO_PROXIMITY:
@@ -1148,36 +1145,27 @@ static int vcnl4010_write_raw(struct iio_dev *indio_dev,
 			      struct iio_chan_spec const *chan,
 			      int val, int val2, long mask)
 {
-	int ret;
 	struct vcnl4000_data *data = iio_priv(indio_dev);
 
-	if (!iio_device_claim_direct(indio_dev))
+	IIO_DEV_ACQUIRE_DIRECT_MODE(indio_dev, claim);
+	if (IIO_DEV_ACQUIRE_ERR(&claim))
 		return -EBUSY;
 
 	/* Protect against event capture. */
-	if (vcnl4010_is_in_periodic_mode(data)) {
-		ret = -EBUSY;
-		goto end;
-	}
+	if (vcnl4010_is_in_periodic_mode(data))
+		return -EBUSY;
 
 	switch (mask) {
 	case IIO_CHAN_INFO_SAMP_FREQ:
 		switch (chan->type) {
 		case IIO_PROXIMITY:
-			ret = vcnl4010_write_proxy_samp_freq(data, val, val2);
-			goto end;
+			return vcnl4010_write_proxy_samp_freq(data, val, val2);
 		default:
-			ret = -EINVAL;
-			goto end;
+			return -EINVAL;
 		}
 	default:
-		ret = -EINVAL;
-		goto end;
+		return -EINVAL;
 	}
-
-end:
-	iio_device_release_direct(indio_dev);
-	return ret;
 }
 
 static int vcnl4010_read_event(struct iio_dev *indio_dev,
@@ -1438,14 +1426,13 @@ static int vcnl4010_config_threshold_disable(struct vcnl4000_data *data)
 static int vcnl4010_config_threshold(struct iio_dev *indio_dev, bool state)
 {
 	struct vcnl4000_data *data = iio_priv(indio_dev);
-	int ret;
 
 	if (state) {
-		if (!iio_device_claim_direct(indio_dev))
+		IIO_DEV_ACQUIRE_DIRECT_MODE(indio_dev, claim);
+		if (IIO_DEV_ACQUIRE_ERR(&claim))
 			return -EBUSY;
-		ret = vcnl4010_config_threshold_enable(data);
-		iio_device_release_direct(indio_dev);
-		return ret;
+
+		return vcnl4010_config_threshold_enable(data);
 	} else {
 		return vcnl4010_config_threshold_disable(data);
 	}

-- 
2.52.0


  parent reply	other threads:[~2025-12-12  2:45 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-12  2:45 [PATCH v2 0/7] iio: core: Introduce cleanup.h support for mode locks Kurt Borja
2025-12-12  2:45 ` [PATCH v2 1/7] iio: core: Add and export __iio_dev_mode_lock() Kurt Borja
2025-12-12 18:21   ` Andy Shevchenko
2025-12-12  2:45 ` [PATCH v2 2/7] iio: core: Refactor iio_device_claim_direct() implementation Kurt Borja
2025-12-12 18:23   ` Andy Shevchenko
2025-12-12  2:45 ` [PATCH v2 3/7] iio: core: Match iio_device_claim_*() semantics and implementation Kurt Borja
2025-12-12 18:27   ` Andy Shevchenko
2025-12-12  2:45 ` [PATCH v2 4/7] iio: core: Add cleanup.h support for iio_device_claim_*() Kurt Borja
2025-12-12  2:45 ` Kurt Borja [this message]
2025-12-12  2:45 ` [PATCH v2 6/7] iio: health: max30102: Use IIO cleanup helpers Kurt Borja
2025-12-12  2:45 ` [PATCH v2 7/7] iio: light: opt4060: " Kurt Borja

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