At Mon, 27 Apr 2009 16:15:12 +0100, Mark Brown wrote: > > On Mon, Apr 27, 2009 at 05:09:27PM +0200, Jaroslav Kysela wrote: > > > Appearently, FIFO is too big. I'm working on some changes to take account > > fifo_size to the jiffies based check. Please, set fifo_size correctly in > > your driver. USB drivers with big "URB FIFOs" should be changed as well, > > too. > > Could you expand a bit on what qualifies as "too big" here? I've not > been following the thread here or the changes that caused problems. It's bigger than the pre-defined tolerance of jiffies check in PCM core code. The new PCM core checks the returned hw_ptr together with jiffies delta whether it's a sane value. When FIFO is used with the ring buffer, the hardware tends to report back earlier before the expected timing. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
