linux-kernel - Re: About the saa7146 driver

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Date:	Sat, 19 Jan 2008 13:37:09 +0100
From:	Michael Hunold <hunold@...uxtv.org>
To:	goodmen zy <goodmenkernel@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: About the saa7146 driver

Hi,

on 19.01.2008 13:27 goodmen zy said the following:
> I have a PCI video capture card, and the command `lspci` tell me the
> following info:
> 
>      00:09.0 Multimedia controller: Philips Semiconductors SAA7146 (rev 01)
> 
> In the kernel source, I compiled the module saa7146.ko and saa7146_vv.ko.
> Those modules were inserted into kernel successfully.
> But I can't find any new device file in /dev.
> 
> Can you tell me the reason?

The saa7146 is a generic chipset that is used on quite a few different
cards. You only compiled and inserted the generic driver core for the
saa7146.

> Does the saa1746 module plays as a common driver for all the device
> with that chip?

No.

You are missing the extension module for the specific card you have.

For example, if you have a so-called "Multimedia eXtension Board", you
need to insert the "mxb.ko" driver as well.

Please tell me what kind of card that is, ie. brand, manufacturer, card
id etc. so I can tell you if there is a driver that supports it or not.

> Thanks!

Best regards
Michael.
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