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authorLars-Peter Clausen <lars@metafoo.de>2014-07-17 16:59:00 +0100
committerJonathan Cameron <jic23@kernel.org>2014-07-20 15:44:39 +0100
commit61bd55ce1667809f022be88da77db17add90ea4e (patch)
tree0db136bcbab11800597b97286f5301a6abcc235d /drivers/iio
parent71702e6e52c8312f4c6797a9787d0f8b5656156f (diff)
iio: buffer: Fix demux table creation
When creating the demux table we need to iterate over the selected scan mask for the buffer to get the samples which should be copied to destination buffer. Right now the code uses the mask which contains all active channels, which means the demux table contains entries which causes it to copy all the samples from source to destination buffer one by one without doing any demuxing. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org> Cc: Stable@vger.kernel.org
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/industrialio-buffer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 36b1ae92e239..9f1a14009901 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -966,7 +966,7 @@ static int iio_buffer_update_demux(struct iio_dev *indio_dev,
/* Now we have the two masks, work from least sig and build up sizes */
for_each_set_bit(out_ind,
- indio_dev->active_scan_mask,
+ buffer->scan_mask,
indio_dev->masklength) {
in_ind = find_next_bit(indio_dev->active_scan_mask,
indio_dev->masklength,