kernel: improve comment

Signed-off-by: Federico Vaga <federico.vaga@cern.ch>

kernel: improve comment
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
9216a866 · Federico Vaga · c41d4aa1 · 9216a866
Commit 9216a866 authored Feb 16, 2015 by Federico Vaga
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fa-zio-trg.c kernel/fa-zio-trg.c +2 -1

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--- a/kernel/fa-zio-trg.c
+++ b/kernel/fa-zio-trg.c
@@ -325,7 +325,8 @@ static int zfat_arm_trigger(struct zio_ti *ti)
 	 * because it's the interleave channel.
 	 *
 	 * +FA_NCHAN because of the trigger samples (1 for each channel) which
-	 * will discard later on DMA done
+	 * will discard later on DMA done (Actually, we will discard the last
+	 * post-sample because we count the trigger sample as post-sample)
 	 */
 	size = (interleave->current_ctrl->ssize * (ti->nsamples + FA100M14B4C_NCHAN))
 		+ FA_TRIG_TIMETAG_BYTES;