From: Ingo Schneider <mail@ingo-schneider.de>
Date: Thu, 30 Mar 2006 01:05:16 +0000 (-0300)
Subject: V4L/DVB (3669): Configurable dma buffer size for saa7146-based budget dvb cards
X-Git-Tag: v2.6.17-rc1~12^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=afa47abf09f148332b0e6e480972494bc2e5c8af;p=pandora-kernel.git

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>
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