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Date: Mon, 26 Dec 2011 12:12:08 +0000 From: Mark Brown <broonie@...nsource.wolfsonmicro.com> To: Tomoya MORINAGA <tomoya.rohm@...il.com> Cc: Liam Girdwood <lrg@...com>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>, Lars-Peter Clausen <lars@...afoo.de>, Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>, Mike Frysinger <vapier@...too.org>, Daniel Mack <zonque@...il.com>, alsa-devel@...a-project.org, linux-kernel@...r.kernel.org, qi.wang@...el.com, yong.y.wang@...el.com, joel.clark@...el.com, kok.howg.ewe@...el.com Subject: Re: [PATCH 3/3 v2] sound/soc/lapis: add platform driver for ML7213 IOH I2S On Mon, Dec 26, 2011 at 03:33:29PM +0900, Tomoya MORINAGA wrote: > 2011/12/22 Mark Brown <broonie@...nsource.wolfsonmicro.com>: > >> 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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