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-rw-r--r--sound/usb/card.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/usb/card.h b/sound/usb/card.h
index 2991b9986f66..5351d7183b1b 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -84,6 +84,10 @@ struct snd_usb_endpoint {
dma_addr_t sync_dma; /* DMA address of syncbuf */
unsigned int pipe; /* the data i/o pipe */
+ unsigned int packsize[2]; /* small/large packet sizes in samples */
+ unsigned int sample_rem; /* remainder from division fs/pps */
+ unsigned int sample_accum; /* sample accumulator */
+ unsigned int pps; /* packets per second */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
int freqshift; /* how much to shift the feedback value to get Q16.16 */
@@ -104,6 +108,7 @@ struct snd_usb_endpoint {
int iface, altsetting;
int skip_packets; /* quirks for devices to ignore the first n packets
in a stream */
+ bool is_implicit_feedback; /* This endpoint is used as implicit feedback */
spinlock_t lock;
struct list_head list;
@@ -132,6 +137,7 @@ struct snd_usb_substream {
unsigned int tx_length_quirk:1; /* add length specifier to transfers */
unsigned int fmt_type; /* USB audio format type (1-3) */
unsigned int pkt_offset_adj; /* Bytes to drop from beginning of packets (for non-compliant devices) */
+ unsigned int stream_offset_adj; /* Bytes to drop from beginning of stream (for non-compliant devices) */
unsigned int running: 1; /* running status */
@@ -145,6 +151,7 @@ struct snd_usb_substream {
struct snd_usb_endpoint *sync_endpoint;
unsigned long flags;
bool need_setup_ep; /* (re)configure EP at prepare? */
+ bool need_setup_fmt; /* (re)configure fmt after resume? */
unsigned int speed; /* USB_SPEED_XXX */
u64 formats; /* format bitmasks (all or'ed) */