diff options
Diffstat (limited to 'sound/usb/card.h')
| -rw-r--r-- | sound/usb/card.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/usb/card.h b/sound/usb/card.h index 898a283576df..1f61be98a31d 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -114,6 +114,14 @@ struct snd_usb_endpoint { in a stream */ bool is_implicit_feedback; /* This endpoint is used as implicit feedback */ + /* for hw constraints */ + unsigned int cur_rate; + snd_pcm_format_t cur_format; + unsigned int cur_channels; + unsigned int cur_period_frames; + unsigned int cur_period_bytes; + unsigned int cur_buffer_periods; + spinlock_t lock; struct list_head list; }; @@ -144,6 +152,7 @@ struct snd_usb_substream { unsigned int stream_offset_adj; /* Bytes to drop from beginning of stream (for non-compliant devices) */ unsigned int running: 1; /* running status */ + unsigned int fixed_hw:1; /* fixed hw constraints due to sync EP */ unsigned int hwptr_done; /* processed byte position in the buffer */ unsigned int transfer_done; /* processed frames since last period update */ |