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ASoC: rsnd: no more SSI restart when unusual situation

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It will be SSI interrupt endless loop f unusual situation happen.
This patch adds restart limit for it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2015-03-19 04:13:47 +00:00 committed by Mark Brown
parent 33187fb4a2
commit 044930b4a6
1 changed files with 6 additions and 3 deletions
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9
sound/soc/sh/rcar/ssi.c
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@ -416,11 +416,14 @@ static irqreturn_t rsnd_ssi_interrupt(int irq, void *data)
/*
* restart SSI
*/
rsnd_ssi_stop(mod, priv);
rsnd_ssi_start(mod, priv);
dev_dbg(dev, "%s[%d] restart\n",
rsnd_mod_name(mod), rsnd_mod_id(mod));
rsnd_ssi_stop(mod, priv);
if (ssi->err < 1024)
rsnd_ssi_start(mod, priv);
else
dev_warn(dev, "no more SSI restart\n");
}
rsnd_ssi_record_error(ssi, status);