On Mon, 3 Feb 2003 04:40 am, Gunther Mayer wrote: > Michael Pearce wrote: > > On Sat, 1 Feb 2003 01:46 pm, Gunther Mayer wrote: > >>With this patch radio works perfectly here (PAL card tested, NTSC card > >>should work too). > > ... > > > Only one small problem left now, it seems to be mono only. The signal is > > strong, and it's stereo in windows. It just won't get out of mono in > > linux. > > > > dmesg output seems to suggest that it is stereo, but radio and gnomeradio > > both report it is mono, and I can tell you from listening to it - it's > > mono. > > The "stereo indicator" is not supported by current msp3400.c > > MSP manuals have conflicting information concerning FM-Matrix (Register > 0x000E) for Stereo-Radio. Though some manuals mandate 0x02 for Fm-Radio > (=KSTEREO [(L+R)/2, (L-R)/2] ----> [L, R]), this creats left-channel only > here, 0x00 is fine (don't know if stereo; is there a utility to visualize > strength of stereo effect?). For newer chips 0x03 + ASS (automatic standard > select) is proposed. So this varies between MSP chips. > > As radio is fixed now for all known MT2032 cards, you can go get a MSP > datasheet for your chip and start some experiments. > Err, what? I'm not a programmer, nor do I have any idea what you're talking about :) Perhaps if you pointed me to the code where these numbers are set, I can try different ones. Is it simply a matter of changing a 0x02 to 0x00 etc? --Michael Pearce
