diff options
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/pcm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h index e1c747c70883..3bde24575a99 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -30,6 +30,7 @@ #include <linux/mm.h> #include <linux/bitops.h> #include <linux/pm_qos.h> +#include <linux/refcount.h> #define snd_pcm_substream_chip(substream) ((substream)->private_data) #define snd_pcm_chip(pcm) ((pcm)->private_data) @@ -439,6 +440,7 @@ struct snd_pcm_group { /* keep linked substreams */ spinlock_t lock; struct mutex mutex; struct list_head substreams; + refcount_t refs; }; struct pid; |