[PATCH] dvb: flexcop: fix USB transfer handling

- driver receives many null TS packets (pid=0x1fff).  They occupy the
  limited USB bandwidth and this leads to loss of video packets.  Enabling the
  null packet filter fixes this.

- packets that flexcop sends to USB have a 2 byte header that has to be
  removed.

- sometimes a TS packet is split between different urbs.  These parts have
  to be combined in a temporary buffer.

Signed-off-by: Vadim Catana <skystar@moldova.cc>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/media/dvb/b2c2/flexcop-usb.h b/drivers/media/dvb/b2c2/flexcop-usb.h
index bfcec25ff2d9..630e647a2caa 100644
--- a/drivers/media/dvb/b2c2/flexcop-usb.h
+++ b/drivers/media/dvb/b2c2/flexcop-usb.h
@@ -21,6 +21,9 @@ struct flexcop_usb {
         struct urb *iso_urb[B2C2_USB_NUM_ISO_URB];
 
         struct flexcop_device *fc_dev;
+
+        u8 tmp_buffer[1023+190];
+        int tmp_buffer_length;
 };
 
 #if 0