[alsa-devel] [PATCH 01/21] ASoC: rsnd: don't care under/over run error when PIO

[Mark Brown]

On Mon, Jun 15, 2015 at 06:20:54AM +0000, Kuninori Morimoto wrote:
> From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
> 
> PIO is used only for checking data path / codec settings. And underrun
> is very normal when PIO mode. Let's don't care about under/over run
> error when PIO case. Otherwise, 1) too many HW restart happens, 2) some
> sounds which need much data transfer can't play since it falls into
> error detection method which was created for DMA transfer

I've applied the whole series but I'm not thrilled with this one.  I
guess what you mean to say is that this is only used during bringup of a
new platform in which case it's not that big a deal but otherwise then
the usual thing with PIO is to implement FIQ support to keep the
hardware full.
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