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iio: Fix IIO_EVENT_CODE_EXTRACT_DIR bit mask

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The direction field is set on 7 bits, thus we need to AND it with 0111 111 mask
in order to retrieve it, that is 0x7F, not 0xCF as it is now.

Fixes: ade7ef7ba (staging:iio: Differential channel handling)
Signed-off-by: Cristina Ciocan <cristina.ciocan@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Cristina Ciocan 2014-11-11 16:07:42 +02:00 committed by Jonathan Cameron
parent b598aacc29
commit ccf54555da
1 changed files with 1 additions and 1 deletions
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2
include/linux/iio/events.h
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@ -72,7 +72,7 @@ struct iio_event_data {
#define IIO_EVENT_CODE_EXTRACT_TYPE(mask) ((mask >> 56) & 0xFF)
#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0xCF)
#define IIO_EVENT_CODE_EXTRACT_DIR(mask) ((mask >> 48) & 0x7F)
#define IIO_EVENT_CODE_EXTRACT_CHAN_TYPE(mask) ((mask >> 32) & 0xFF)