Re: [linux-dvb] [PATCH] Initial support for AVerTVHD Volar

Re: [linux-dvb] [PATCH] Initial support for AVerTVHD Volar

[Michael Krufky]

Felix Kolotinsky wrote:
>
> Hi Daniel and Mike
>
>  
>
> My name is Felix Kolotinsky and I am product manager at AVerMeia Tech 
> USA office and I am in Bay area too.
>

Hello, Felix.

>  
>
> I came across your posting for AVerTVHD Volar A868 and sound like you 
> were able to get this tuner to work in Linux and  I would like to get 
> more info from you:
>
> 1.       What kernel did you use
>

We merged support for the device into kernel 2.6.27

> 2.       What Linux flavor is it
>

We merged support for the device into the official vanilla kernel 
2.6.27, which means that all distributions based on 2.6.27 or later will 
have support.

> 3.       What application
>

Support was added to the dvb-usb-cxusb driver, which uses the linux-dvb 
standard API.  Any linux-dvb standard compliant application will work 
with the device.

> 4.       How is performance of this tuner?
>
As I understand it, not very good.  I helped Daniel merge the code, but 
I don't have one of these devices of my own -- if you'd like to send me 
one, I can test it out myself and make improvements as necessary.  We 
suspect that the issue lies in driver for the MaxLinear tuner.

If you want to send me a device, please email me privately off-list and 
I'll give you a mailing address.

> 5.       And some other questions J
>
>  
>
> I have a few questions to you about your post for AVerTVHD Volar with 
> Linux.
>
> Would you please let get back to me either by email or call me at my 
> cell below.
>

I'm a bit busy right now -- lets keep it on email.  If this is a private 
matter, please feel free to email me privately off-list.  mkrufky at 
linuxtv dot org

Regards,

Mike

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Re: [linux-dvb] [PATCH] Initial support for AVerTVHD Volar

[Daniel Gimpelevich]

mkrufky@linuxtv.org wrote:
> Daniel Gimpelevich wrote:
>> Add initial support for these devices. The AGC and tracking filter 
>> settings are known to be wrong, but it generally works.
> Mauro,
> 
> Please be aware that Daniel and I have been working together on this -- 
> this patch just shows where he is at today -- it's not yet ready for merge.
> 
> Him and I are in chat on irc discussing ways to further clean this up.
> 
> When ready, I will push this up and ask you to pull.
> 
> Regards,
> 
> Mike

In tying up the AGC and tracking filter loose ends, I found that the 
Linux driver for the MaxLinear tuner always clears bit 5 (0x20) of the 
tuner's register 167 (0xa7), where the Windows driver always sets it. 
What does this bit do?

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