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iio: tmp006: Check channel info on write

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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 <[email protected]>
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
This commit is contained in:
Peter Meerwald authored and Jonathan Cameron committed 2015-07-05 14:22:33 +01:00
1 parent 897993fecb
commit 8d05abfaef
1 file changed
+3
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drivers/iio/temperature/tmp006.c
+3
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@@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev,
struct tmp006_data *data = iio_priv(indio_dev);
int i;
if (mask != IIO_CHAN_INFO_SAMP_FREQ)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++)
if ((val == tmp006_freqs[i][0]) &&
(val2 == tmp006_freqs[i][1])) {