1 files changed, 2 insertions, 0 deletions

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 73334e0f823f..2d5dee2fcb64 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -922,6 +922,8 @@ snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream,
 snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream,
                                     void __user **bufs, snd_pcm_uframes_t frames);
 
+extern const struct snd_pcm_hw_constraint_list snd_pcm_known_rates;
+
 int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime);
 
 static inline void snd_pcm_set_runtime_buffer(struct snd_pcm_substream *substream,