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facetimehd: add channel waitqueue

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add a per channel waitqueue to be able to have more than one ringbuffer
entry in flight.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
This commit is contained in:
Sven Schnelle
2015-11-28 22:59:44 +01:00
parent 3574901c31
commit ca8c5584e0
6 changed files with 35 additions and 63 deletions
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fthd_ringbuf.h
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@@ -48,4 +48,5 @@ extern int fthd_channel_ringbuf_send(struct fthd_private *dev_priv, struct fw_ch
extern u32 fthd_channel_ringbuf_receive(struct fthd_private *dev_priv,
struct fw_channel *chan);
extern int fthd_channel_wait_ready(struct fthd_private *dev_priv, struct fw_channel *chan, u32 entry, int timeout);
#endif