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| author | Karsten Keil <kkeil@linux-pingi.de> | 2012-05-15 23:51:07 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-16 15:24:05 -0400 |
| commit | 6d1ee48fd0d8d2586aaeda24dacffc426c2be44a (patch) | |
| tree | 0a94204bfdf5ac0eb4d03885cb2f87ddb0e8eb1a /include/linux/mISDNhw.h | |
| parent | 034005a0119b9c2aabe0ac3953eb9a65ca937a69 (diff) | |
| download | linux-rpi-6d1ee48fd0d8d2586aaeda24dacffc426c2be44a.tar.gz linux-rpi-6d1ee48fd0d8d2586aaeda24dacffc426c2be44a.tar.bz2 linux-rpi-6d1ee48fd0d8d2586aaeda24dacffc426c2be44a.zip | |
mISDN: Implement MISDN_CTRL_FILL_EMPTY for more drivers
MISDN_CTRL_FILL_EMPTY is a meachanism to send a fixed value (normally silence)
as long no data from upper layers is available. It can be used when recording
voice messages or with unidirectional protocols.
Signed-off-by: Karsten Keil <kkeil@linux-pingi.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/mISDNhw.h')
| -rw-r--r-- | include/linux/mISDNhw.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/mISDNhw.h b/include/linux/mISDNhw.h index 226886cf31e7..621184216566 100644 --- a/include/linux/mISDNhw.h +++ b/include/linux/mISDNhw.h @@ -72,7 +72,7 @@ #define FLG_LL_OK 24 #define FLG_LL_CONN 25 #define FLG_DTMFSEND 26 - +#define FLG_TX_EMPTY 27 /* workq events */ #define FLG_RECVQUEUE 30 #define FLG_PHCHANGE 31 @@ -142,6 +142,7 @@ extern int create_l1(struct dchannel *, dchannel_l1callback *); struct layer1; extern int l1_event(struct layer1 *, u_int); +#define MISDN_BCH_FILL_SIZE 4 struct bchannel { struct mISDNchannel ch; @@ -153,6 +154,7 @@ struct bchannel { int slot; /* multiport card channel slot */ struct timer_list timer; /* receive data */ + u8 fill[MISDN_BCH_FILL_SIZE]; struct sk_buff *rx_skb; unsigned short maxlen; unsigned short init_maxlen; /* initial value */ |