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731b5868d4
dahdi-linux/drivers/dahdi
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Shaun Ruffell 731b5868d4 dahdi: Allow core DAHDI software timing to work when DAHDI_CHUNKSIZE > 8. 
When no hardware spans are configured DAHDI will use a kernel timer in order
provide timing for conferences. This is what dahdi_dummy historically was used
for. When kernel timers are used to provide timing DAHDI can both potentially
slow the rate at which time timer runs and also needs to account for how many
milliseconds of audio are processed for each 'tick' of process_masterspan.

The result is that if you are only using DAHDI for app_meetme, you can change
DAHDI_CHUNKSIZE to 40 (5ms) or 80 (10ms) bytes to reduce overhead since user
space is dealing with chunks of 20ms by default anyway.

NOTE: If you set this, you may still need to comment out the board drivers in
drivers/dahdi/Kbuild since they all do not support operating with a
DAHDI_CHUNKSIZE != 8 currently.

Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Kinsey Moore <kmoore@digium.com>
Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com>
Acked-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
Review: https://reviewboard.asterisk.org/r/940/

git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9407 a0bf4364-ded3-4de4-8d8a-66a801d63aff
2010-09-24 22:44:37 +00:00
..
datamods wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
firmware wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
hpec wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
oct612x wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
voicebus wcte12xp, wctdm24xxp: Convert vbb cache from kmem_cache to dma_pool. 2010-09-23 21:38:52 +00:00
vpmadt032_loader wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
wcb4xxp wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
wct4xxp wct4xxp: Drop usage of 'volatile' qualifier. 2010-09-23 21:38:43 +00:00
wctc4xxp wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
wctdm24xxp wcte12xp, wctdm24xxp: Convert vbb cache from kmem_cache to dma_pool. 2010-09-23 21:38:52 +00:00
wcte12xp wcte12xp: Remove unused 'dtmfactive', 'dtmfmask', and 'dtmfmutemask' members. 2010-09-20 18:54:47 +00:00
xpp wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
adt_lec.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
adt_lec.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
arith.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
biquad.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_dummy.c dahdi_dummy: #include <linux/slab.h> for kzalloc and friends. 2010-09-07 13:47:24 +00:00
dahdi_dynamic_eth.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_dynamic_ethmf.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_dynamic_loc.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_dynamic.c dahdi_dynamic: Update copyright. 2010-09-23 21:38:57 +00:00
dahdi_echocan_jpah.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_echocan_kb1.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_echocan_mg2.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_echocan_oslec.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_echocan_sec2.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_echocan_sec.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
dahdi_transcode.c dahdi, dahdi_transcode: Remove mmap interface. 2010-09-01 15:46:25 +00:00
dahdi-base.c dahdi: Allow core DAHDI software timing to work when DAHDI_CHUNKSIZE > 8. 2010-09-24 22:44:37 +00:00
digits.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
ecdis.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
fir.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
fxo_modes.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
Kbuild wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
Kconfig wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
Makefile wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
makefw.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
pciradio.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
pciradio.rbt wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
proslic.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
tor2-hw.h wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
tor2.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
tormenta2.rbt wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
wcfxo.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
wct1xxp.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
wctdm.c wct4xxp: Moving the transmit short detection behind debug module param. 2010-08-27 21:59:27 +00:00
wcte11xp.c wcte11xp, wcte12xp: Fix a long-standing issue with shutdown 2010-09-10 15:54:35 +00:00