cxl/region: fix x9 interleave typo

[platform/kernel/linux-starfive.git] / tools / iio / iio_generic_buffer.c

diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c
index 44bbf80..0d0a7a1 100644 (file)
--- a/tools/iio/iio_generic_buffer.c
+++ b/tools/iio/iio_generic_buffer.c
@@ -54,9 +54,12 @@ enum autochan {
 static unsigned int size_from_channelarray(struct iio_channel_info *channels, int num_channels)
 {
        unsigned int bytes = 0;
-       int i = 0;
+       int i = 0, max = 0;
+       unsigned int misalignment;
 
        while (i < num_channels) {
+               if (channels[i].bytes > max)
+                       max = channels[i].bytes;
                if (bytes % channels[i].bytes == 0)
                        channels[i].location = bytes;
                else
@@ -66,6 +69,14 @@ static unsigned int size_from_channelarray(struct iio_channel_info *channels, in
                bytes = channels[i].location + channels[i].bytes;
                i++;
        }
+       /*
+        * We want the data in next sample to also be properly aligned so
+        * we'll add padding at the end if needed. Adding padding only
+        * works for channel data which size is 2^n bytes.
+        */
+       misalignment = bytes % max;
+       if (misalignment)
+               bytes += max - misalignment;
 
        return bytes;
 }