diff options
Diffstat (limited to 'sound/firewire/amdtp.h')
| -rw-r--r-- | sound/firewire/amdtp.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index fd4ce3030279..28b1bf5891e6 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -1,6 +1,7 @@ #ifndef SOUND_FIREWIRE_AMDTP_H_INCLUDED #define SOUND_FIREWIRE_AMDTP_H_INCLUDED +#include <linux/err.h> #include <linux/interrupt.h> #include <linux/mutex.h> #include "packets-buffer.h" @@ -92,6 +93,11 @@ void amdtp_out_stream_pcm_prepare(struct amdtp_out_stream *s); unsigned long amdtp_out_stream_pcm_pointer(struct amdtp_out_stream *s); void amdtp_out_stream_pcm_abort(struct amdtp_out_stream *s); +static inline bool amdtp_out_stream_running(struct amdtp_out_stream *s) +{ + return !IS_ERR(s->context); +} + /** * amdtp_out_stream_set_pcm - configure format of PCM samples * @s: the AMDTP output stream to be configured |