Hello,
first of all, sorry for breaking the thread : I did erase this email and
a friend asked me if I have tested it, so he sends it me back...
I just wanted to report that this patch also improve things here :-)
> Good morning. After moving to an AMD64 system and kernel 2.6.14rc1,
> plus last Saturday's CVS dvb drivers, I found that, while talking with
> my hauppauge DVB-S budget card, delays for frontend IOCTL's
> (FE_READ_STATUS, FE_READ_SNR and FE_READ_SIGNAL_STRENGTH) were
> unexpectedly increased. Each ioctl took 200-400 milliseconds to
> return. After a long and painful search, I found out that the delay
> happened in I2C comms. I noticed that, in av7110.c, a flag was set,
> called SAA7146_I2C_SHORT_DELAY, in the saa7146_extension
> structure. So, I applied the following simple patch:
>
> --- budget.c~ 2005-09-04 14:58:21.000000000 +0200
> +++ budget.c 2005-09-17 23:28:14.000000000 +0200
> @@ -740,7 +740,7 @@
>
> static struct saa7146_extension budget_extension = {
> .name = "budget dvb\0",
> - .flags = 0,
> + .flags = SAA7146_I2C_SHORT_DELAY,
>
> .module = THIS_MODULE,
> .pci_tbl = pci_tbl,
>
> Well, the card now reacts *very* quickly, and I do not notice any side
> effects.
>
> Is there any reason why this flag is not set?
>
> Carlo
--
Gr/'egoire FAVRE
