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V4L/DVB (3669): Configurable dma buffer size for saa7146-based budget dvb cards
authorIngo Schneider <mail@ingo-schneider.de>
Thu, 30 Mar 2006 01:05:16 +0000 (22:05 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Sun, 2 Apr 2006 07:55:57 +0000 (04:55 -0300)
commitafa47abf09f148332b0e6e480972494bc2e5c8af
tree2f7222cc9de26adcbe5052f606d1f03dbdd599d0
parent1864cfb1537e108c2fe7a8e178b28bffde5a5439
V4L/DVB (3669): Configurable dma buffer size for saa7146-based budget dvb cards

- Issue a warning when more than 80% of the DMA buffer is being used
  (probably due to bad IRQ latency). Warnings are rate-limited.
- Introduce a new parameter 'bufsize' (in KByte) which increases the
  default DMA buffer of 188 KByte up to 1410 KByte (Activy: 564 KByte).

Signed-off-by: Ingo Schneider <mail@ingo-schneider.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/dvb/ttpci/budget-core.c
drivers/media/dvb/ttpci/budget-patch.c
drivers/media/dvb/ttpci/budget.h