iio: proximity: sx9500: claim direct mode during raw proximity reads
Driver was checking for direct mode but not locking it. Use the claim/release helper functions to guarantee the device stays in direct mode during raw reads of proximity data. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Reviewed-by: Vlad Dogaru <ddvlad@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -387,14 +387,18 @@ static int sx9500_read_raw(struct iio_dev *indio_dev,
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int *val, int *val2, long mask)
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{
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struct sx9500_data *data = iio_priv(indio_dev);
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int ret;
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switch (chan->type) {
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case IIO_PROXIMITY:
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switch (mask) {
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case IIO_CHAN_INFO_RAW:
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if (iio_buffer_enabled(indio_dev))
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return -EBUSY;
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return sx9500_read_proximity(data, chan, val);
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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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ret = sx9500_read_proximity(data, chan, val);
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iio_device_release_direct_mode(indio_dev);
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return ret;
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case IIO_CHAN_INFO_SAMP_FREQ:
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return sx9500_read_samp_freq(data, val, val2);
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default:
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