[linux-dvb] Re: DVB-C and Volume-Control

[Holger Waechtler <holger@convergence.de>]

Joerg Friedrich wrote:
> Holger Waechtler schrieb am Mittwoch, 11. Dezember 2002 um 14:16:09 +0100:
> 
>>Joerg Friedrich wrote:
>>
>>>Hi Holger,
>>>
>>>Holger Waechtler schrieb am Montag, 09. Dezember 2002 um 11:56:45 +0100:
>>>
>>>
>>>>can you please add your sybsystem_vendor id to this if()-case and test 
>>>>if this works for you? If so, please send a patch.
>>>
>>>
>>>I think you misunderstud something. My subsystem_vendor id is already
>>>there, but there is a 'av7110->adac_type = DVB_ADAC_NONE', which I
>>>interpreted that there is no support for the adac on my board. 
>>>
>>>I thing I have to open my computer case to look what adac is build on my
>>>siemens dvb-c rev1.5.
>>
>>You could implement a volume control using the msp3400...
> 
>
> I think the msp3400 has nothing todo with the volume-control. Its the
> chip on the analogue module. Which I now have removed just to check if
> something happens :-)

If you want to control the volume of the analog output you can set it on 
the msp3400. IIRC there is a 7bit-volume register, see the datasheet or 
sources of other msp3400 drivers in the linux source tree for details.

Holger



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