From: Uwe Bugla Date: Sat, 26 May 2007 10:56:29 +0000 (-0300) Subject: V4L/DVB (5701): Documentation/dvb/bt8xx.txt update X-Git-Tag: v2.6.23-rc1~493^2~88 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=afb758c4b03b17ff856f2bd58e488d152b342875;p=linux-2.6 V4L/DVB (5701): Documentation/dvb/bt8xx.txt update This patch synchronizes the Documentation for bt8xx-based cards to the actual state of kernel 2.6.22-rc1. Signed-off-by: Uwe Bugla Signed-off-by: Manu Abraham Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- diff --git a/Documentation/dvb/bt8xx.txt b/Documentation/dvb/bt8xx.txt index 4e7614e606..ecb47adda0 100644 --- a/Documentation/dvb/bt8xx.txt +++ b/Documentation/dvb/bt8xx.txt @@ -9,19 +9,29 @@ for accessing the i2c bus and the gpio pins of the bt8xx chipset. Please see Documentation/dvb/cards.txt => o Cards based on the Conexant Bt8xx PCI bridge: Compiling kernel please enable: -a.)"Device drivers" => "Multimedia devices" => "Video For Linux" => "BT848 Video For Linux" -b.)"Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices" - => "DVB for Linux" "DVB Core Support" "Bt8xx based PCI Cards" +a.)"Device drivers" => "Multimedia devices" => "Video For Linux" => "Enable Video for Linux API 1 (DEPRECATED)" +b.)"Device drivers" => "Multimedia devices" => "Video For Linux" => "Video Capture Adapters" => "BT848 Video For Linux" +c.)"Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices" => "DVB for Linux" "DVB Core Support" "Bt8xx based PCI Cards" -2) Loading Modules -================== +Please use the following options with care as deselection of drivers which are in fact necessary +may result in DVB devices that cannot be tuned due to lack of driver support: +You can save RAM by deselecting every frontend module that your DVB card does not need. + +First please remove the static dependency of DVB card drivers on all frontend modules for all possible card variants by enabling: +d.) "Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices" + => "DVB for Linux" "DVB Core Support" "Load and attach frontend modules as needed" -In default cases bttv is loaded automatically. -To load the backend either place dvb-bt8xx in etc/modules, or apply manually: +If you know the frontend driver that your card needs please enable: +e.)"Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices" + => "DVB for Linux" "DVB Core Support" "Customise DVB Frontends" => "Customise the frontend modules to build" + Then please select your card-specific frontend module. - $ modprobe dvb-bt8xx +2) Loading Modules +================== -All frontends will be loaded automatically. +Regular case: If the bttv driver detects a bt8xx-based DVB card, all frontend and backend modules will be loaded automatically. +Exceptions are: +- Old TwinHan DST cards or clones with or without CA slot and not containing an Eeprom. People running udev please see Documentation/dvb/udev.txt. In the following cases overriding the PCI type detection for dvb-bt8xx might be necessary: @@ -30,7 +40,6 @@ In the following cases overriding the PCI type detection for dvb-bt8xx might be ------------------------------ $ modprobe bttv card=113 - $ modprobe dvb-bt8xx $ modprobe dst Useful parameters for verbosity level and debugging the dst module: @@ -65,10 +74,9 @@ DViCO FusionHDTV 5 Lite: 135 Notice: The order of the card ID should be uprising: Example: $ modprobe bttv card=113 card=135 - $ modprobe dvb-bt8xx For a full list of card ID's please see Documentation/video4linux/CARDLIST.bttv. -In case of further problems send questions to the mailing list: www.linuxdvb.org. +In case of further problems please subscribe and send questions to the mailing list: linux-dvb@linuxtv.org. Authors: Richard Walker, Jamie Honan,