Re: Sound patch

[Geert U. <ge...@li...>]

	Hi Ken,

> A while ago you posted a patch to arch/m68k/amiga/amisound.c :
> 
>         if (amiga_chipset == CS_ECS || amiga_chipset == CS_AGA) {
>             /* program Denise/Lisa for a higher maximum play rate */
>             /* (may be overridden by amifb later) */
>             custom.htotal = 113;        /* 31 kHz */
>             custom.vtotal = 223;        /* 70 Hz */
>             custom.beamcon0 = 0x4390;   /* HARDDIS,VAR{BEAM,VSY,HSY,CSY}EN */
>             /* suspend the monitor */
>             custom.hsstrt = custom.hsstop = 116;
>             custom.vsstrt = custom.vsstop = 226;
>             amiga_audio_min_period = 57;
>         }
> 
> It works, no more stabbing at F keys before ABBA ;) but it makes the
> cursor flash annoyingly fast (on cv64-3d at least).
> 
> Why...

Because drivers/video/fbcon.c uses the Amiga vertical blank interrupt for
cursor control. Perhaps we should switch to a timer on all platforms?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds