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iio: tmp006: Check channel info on write
only SAMP_FREQ is writable Will lead to SAMP_FREQ being written by any attempt to write to the other exported attributes and hence a rather unexpected result! Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: <Stable@vger.kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev,
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struct tmp006_data *data = iio_priv(indio_dev);
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int i;
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if (mask != IIO_CHAN_INFO_SAMP_FREQ)
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return -EINVAL;
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for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++)
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if ((val == tmp006_freqs[i][0]) &&
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(val2 == tmp006_freqs[i][1])) {
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