[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/pci/es1968.c b/sound/pci/es1968.c
index 092da53e..01c521d 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -1337,7 +1337,7 @@
 	struct esm_memory *buf;
 	struct list_head *p;
 	
-	size = ((size + ESM_MEM_ALIGN - 1) / ESM_MEM_ALIGN) * ESM_MEM_ALIGN;
+	size = ALIGN(size, ESM_MEM_ALIGN);
 	mutex_lock(&chip->memory_mutex);
 	list_for_each(p, &chip->buf_list) {
 		buf = list_entry(p, struct esm_memory, list);