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

[Joerg Friedrich <Joerg.Dieter.Friedrich@uni-konstanz.de>]

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.

Yours Joerg.



> 
> 
> Joerg Friedrich wrote:
> >Joerg Friedrich schrieb am Sonntag, 08. Dezember 2002 um 10:34:54 +0100:
> >
> >>Joerg Friedrich schrieb am Samstag, 07. Dezember 2002 um 15:45:55 +0100:
> >>
> >>>Having read that the 'newstruct' drivers support volume-control on DVB-C
> >>>Cards was one major reason to switch. But even with the new drivers the
> >>>volume does not in- or decease when i.e. using vdr.
> >>>
> >>>What might be wrong? Or did I dream reading of this capability :-)
> >>
> >>Annotations: I own a Siemens DVB-C rev. 1.5.
> >>and I use the latest CVS-drivers.
> >>
> >>Can someone help debuging?
> >>
> >
> >Again answering myself:
> >
> >Found this in av7110.c:
> >
> >if (av7110->saa->device->subsystem_vendor == 0x110a) {
> >	if (i2c_writereg(av7110, 0x80, 0x0, 0x80)==1) {
> >		i2c_writereg(av7110, 0x80, 0x0, 0);
> >		printk("av7110: DVB-C analog module detected, "
> >		       "initializing MSP3400\n");
> >		ddelay(10);
> >		msp_writereg(av7110, 0x12, 0x0013, 0x0c00);
> >		msp_writereg(av7110, 0x12, 0x0000, 0x7f00); // loudspeaker + 
> >		headphone
> >		msp_writereg(av7110, 0x12, 0x0008, 0x0220); // loudspeaker 
> >		source
> >		msp_writereg(av7110, 0x12, 0x0004, 0x7f00); // loudspeaker 
> >		volume
> >		msp_writereg(av7110, 0x12, 0x000a, 0x0220); // SCART 1 source
> >		msp_writereg(av7110, 0x12, 0x0007, 0x7f00); // SCART 1 volume
> >		msp_writereg(av7110, 0x12, 0x000d, 0x4800); // prescale SCART
> >	}
> >
> >	// switch DVB SCART on
> >	outcom(av7110, COMTYPE_AUDIODAC, MainSwitch, 1, 0);
> >	outcom(av7110, COMTYPE_AUDIODAC, ADSwitch, 1, 1);
> >
> >	//setgpio(av7110, 1, GPIO_OUTHI); // RGB on,
> >	//SCART pin 16
> >	//setgpio(av7110, 3, GPIO_OUTLO); // SCARTpin 8
> >	av7110->adac_type = DVB_ADAC_NONE;
> >}
> >
> >and lspci reports:
> >00:0a.0 Class 0480: 1131:7146 (rev 01)
> >        Subsystem: 110a:0000                    <-----------!!!!
> >        Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- 
> >        ParErr- Stepping- SERR- FastB2B-
> >        Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- 
> >        <TAbort- <MAbort- >SERR- <PERR-
> >        Latency: 32 (3750ns min, 9500ns max)
> >        Interrupt: pin A routed to IRQ 14
> >        Region 0: Memory at e1800000 (32-bit, non-prefetchable) [size=512]
> >
> >I think this means I cannot set any Volumelevel :-(((
> >
> 
> 
> 
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-- 
Heute ist nicht alle Tage, ich komm' wieder, keine Frage!!!

   Joerg

Would you care to drift aimlessly in my direction?


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