They aren't modified by the core so the drivers can declare them const.
Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- include/sound/pcm.h | 2 +- sound/core/pcm_lib.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index e7afcc9..c75c0d1 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -810,7 +810,7 @@ int snd_pcm_hw_constraint_integer(struct snd_pcm_runtime *runtime, snd_pcm_hw_pa int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var, - struct snd_pcm_hw_constraint_list *l); + const struct snd_pcm_hw_constraint_list *l); int snd_pcm_hw_constraint_ratnums(struct snd_pcm_runtime *runtime, unsigned int cond, snd_pcm_hw_param_t var, diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 8f312fa6..8659bc5 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1253,7 +1253,7 @@ int snd_pcm_hw_constraint_list(struct snd_pcm_runtime *runtime, struct snd_pcm_hw_constraint_list *l) { return snd_pcm_hw_rule_add(runtime, cond, var, - snd_pcm_hw_rule_list, l, + snd_pcm_hw_rule_list, (void *)l, var, -1); }