Re: [PATCH 11/20] OMAP: McBSP: Add link DMA mode selection

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Jul 30, 2009 at 03:47:25PM +0200, ext Mark Brown wrote:
> On Thu, Jul 30, 2009 at 04:28:08PM +0300, Eduardo Valentin wrote:
> > On Thu, Jul 30, 2009 at 03:04:42PM +0200, ext Mark Brown wrote:
> 
> > > Is this really something that people would want to tweak at runtime
> > > (except for test purposes)?
> 
> > Yes, test purposes, bug also, the same link could be sometime used for low-power
> > playback while sometime for low-latency processing where as accurate as
> > possible DMA pointer position info is needed.
> 
> Latency you *should* be able to infer from the application behaviour.
Yes that's true. But I think using ELEMENT mode, position reports are much more accurate,
which will result in more precise inferences for latencies.


-- 
Eduardo Valentin
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Arm (vger)]     [ARM Kernel]     [ARM MSM]     [Linux Tegra]     [Linux WPAN Networking]     [Linux Wireless Networking]     [Maemo Users]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Trails]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux