iio: adc: ti-ads1015: Switch to sparse friendly iio_device_claim/release_direct()

These new functions allow sparse to find failures to release
direct mode reducing chances of bugs over the claim_direct_mode()
functions that are deprecated.

Cc: Marek Vasut <marex@denx.de>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250309165819.1346684-7-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index 71198249f51754f68339fd89c2cec60948b9b718..705c146c7dc2e704e90e04965f684c99d0854c68 100644 (file)
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -569,11 +569,10 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
        guard(mutex)(&data->lock);
        switch (mask) {
        case IIO_CHAN_INFO_RAW:
-               ret = iio_device_claim_direct_mode(indio_dev);
-               if (ret)
-                       return ret;
+               if (!iio_device_claim_direct(indio_dev))
+                       return -EBUSY;
                ret = __ads1015_read_info_raw(data, chan, val);
-               iio_device_release_direct_mode(indio_dev);
+               iio_device_release_direct(indio_dev);
                if (ret)
                        return ret;
 
@@ -786,16 +785,15 @@ static int ads1015_write_event_config(struct iio_dev *indio_dev,
        guard(mutex)(&data->lock);
 
        /* Prevent from enabling both buffer and event at a time */
-       ret = iio_device_claim_direct_mode(indio_dev);
-       if (ret)
-               return ret;
+       if (!iio_device_claim_direct(indio_dev))
+               return -EBUSY;
 
        if (state)
                ret = ads1015_enable_event_config(data, chan, comp_mode);
        else
                ret = ads1015_disable_event_config(data, chan, comp_mode);
 
-       iio_device_release_direct_mode(indio_dev);
+       iio_device_release_direct(indio_dev);
        return ret;
 }