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acrn-kernel/Documentation/dvb/bt8xx.txt
Michael Krufky 2684f5c74d [PATCH] DVB: Clarify description text for dvb-bt8xx in Kconfig
Patrick Keene wrote to the linux-dvb list, asking where in menuconfig he
can enable dvb-bt8xx for his AVerMedia DVB card.  I pointed the following
out to him:

config DVB_BT8XX
       tristate "Nebula/Pinnacle PCTV/Twinhan PCI cards"

It has been agreed upon that this description is extremely misleading.

This patch changes the one-liner description text of dvb-bt8xx to something
more meaningful, and adds AVerMedia to the detailed description.

Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-07 16:58:02 -07:00

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How to get the Nebula Electronics DigiTV, Pinnacle PCTV Sat, Twinhan DST + clones working
=========================================================================================
1) General information
======================
This class of cards has a bt878a chip as the PCI interface.
The different card drivers require the bttv driver to provide the means
to access the i2c bus and the gpio pins of the bt8xx chipset.
2) Compilation rules for Kernel >= 2.6.12
=========================================
Enable the following options:
"Device drivers" => "Multimedia devices"
=> "Video For Linux" => "BT848 Video For Linux"
"Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices"
=> "DVB for Linux" "DVB Core Support" "BT8xx based PCI cards"
3) Loading Modules, described by two approaches
===============================================
In general you need to load the bttv driver, which will handle the gpio and
i2c communication for us, plus the common dvb-bt8xx device driver,
which is called the backend.
The frontends for Nebula DigiTV (nxt6000), Pinnacle PCTV Sat (cx24110),
TwinHan DST + clones (dst and dst-ca) are loaded automatically by the backend.
For further details about TwinHan DST + clones see /Documentation/dvb/ci.txt.
3a) The manual approach
-----------------------
Loading modules:
modprobe bttv
modprobe dvb-bt8xx
Unloading modules:
modprobe -r dvb-bt8xx
modprobe -r bttv
3b) The automatic approach
--------------------------
If not already done by installation, place a line either in
/etc/modules.conf or in /etc/modprobe.conf containing this text:
alias char-major-81 bttv
Then place a line in /etc/modules containing this text:
dvb-bt8xx
Reboot your system and have fun!
--
Authors: Richard Walker, Jamie Honan, Michael Hunold, Manu Abraham, Uwe Bugla