[ALSA] use the ALIGN macro

Use the ALIGN macro instead of manual calculations.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index bed329e..78020d8 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -1068,7 +1068,7 @@
 			blocksize = max_blksize;
 		} else {
 			/* round to nearest 16-byte value */
-			blocksize = ((length-written+7)&~0x7);
+			blocksize = ALIGN(length - written, 8);
 		}
 
 		if (snd_wavefront_cmd (dev, WFC_DOWNLOAD_BLOCK, NULL, NULL)) {