From: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
In case a timestamp is present, scan size returned by size_from_channelarray()
is not longer valid. However size_from_channelarray() must be still called
in order to setup locations within the buffer.
Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
---
drivers/staging/iio/Documentation/generic_buffer.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/iio/Documentation/generic_buffer.c b/drivers/staging/iio/Documentation/generic_buffer.c
index 131d9d0..c382452 100644
--- a/drivers/staging/iio/Documentation/generic_buffer.c
+++ b/drivers/staging/iio/Documentation/generic_buffer.c
@@ -226,7 +226,13 @@ int main(int argc, char **argv)
ret = write_sysfs_int("enable", buf_dir_name, 1);
if (ret < 0)
goto error_free_buf_dir_name;
- scan_size = size_from_channelarray(infoarray, num_channels);
+
+ scan_size = read_sysfs_posint("bytes_per_datum", buf_dir_name);
+ if (ret < 0)
+ goto error_free_buf_dir_name;
+
+ size_from_channelarray(infoarray, num_channels);
+
data = malloc(scan_size*buf_len);
if (!data) {
ret = -ENOMEM;
--
1.6.0.2
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