ALSA: pcm: Constify the list in snd_pcm_hw_constraint_list

Allows the constraint lists to be declared const by drivers which seems
reasonable; there's plenty of other constification we could do if we were
being complete but this was easy and quick.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 3420bd3da5d7..4d18941178e6 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1029,7 +1029,8 @@ static int snd_interval_ratden(struct snd_interval *i,
  *
  * Returns non-zero if the value is changed, zero if not changed.
  */
-int snd_interval_list(struct snd_interval *i, unsigned int count, unsigned int *list, unsigned int mask)
+int snd_interval_list(struct snd_interval *i, unsigned int count,
+                      const unsigned int *list, unsigned int mask)
 {
         unsigned int k;
         struct snd_interval list_range;