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author | Nicholas Troast <ntroast@codeaurora.org> | 2016-11-04 13:51:11 -0700 |
---|---|---|
committer | Nicholas Troast <ntroast@codeaurora.org> | 2016-11-14 12:49:58 -0800 |
commit | bb2c232a14d3400da60625342fc730485ef94376 (patch) | |
tree | a30a6534939cd3c5651faea665ab8dbaa20a0fe9 | |
parent | c74e83d44ccfb21bc40aafcb717900413015c3ff (diff) |
iio: adc: qcom-tadc: cast raw ADC readings before conversion
Currently the code depends on implicit type conversion when converting
ADC readings. Make the type conversions explicit.
Change-Id: I09b5d4cd219b0a53559176525d9b501e5a6dc0c9
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
-rw-r--r-- | drivers/iio/adc/qcom-tadc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/adc/qcom-tadc.c b/drivers/iio/adc/qcom-tadc.c index 3cc2694f9a03..4a56847a43e7 100644 --- a/drivers/iio/adc/qcom-tadc.c +++ b/drivers/iio/adc/qcom-tadc.c @@ -398,7 +398,7 @@ static int tadc_do_conversion(struct tadc_chip *chip, u8 channels, s16 *adc) } for (i = 0; i < TADC_NUM_CH; i++) - adc[i] = val[i * 2] | val[i * 2 + 1] << BITS_PER_BYTE; + adc[i] = (s16)(val[i * 2] | (u16)val[i * 2 + 1] << 8); return jiffies_to_msecs(timeout - timeleft); } |