Re: [PATCH 3/3 v2] sound/soc/lapis: add platform driver for ML7213IOH I2S

From: Mark Brown
Date: Mon Dec 26 2011 - 07:12:12 EST

On Mon, Dec 26, 2011 at 03:33:29PM +0900, Tomoya MORINAGA wrote:
> 2011/12/22 Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>:

> >> Not sorted but queuing only.
> >> In sound/voice control system, queuing is not rare, I think.
> >> If necessary, though this method is very common, I can send the method
> >> of the queue.

> > No, please describe the problem you're trying to fix.

> When CPU is heavy load, this buffer is useful.
> The heavy load causes delaying receiving processing.
> If there is no buffer, stream sound/voice can be broken.
> If there is the buffer, it can prevent the broken sound.

So you're just talking about standard underflows if the application
can't keep up? There's *no* reason for your driver to do anything about
this, it's a really basic thing that affects all audio hardware. Just
write a driver for the hardware.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at