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ASoC: rsnd: no more SRC restart when unusual situation

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It will be SRC 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 04:14:04 +00:00 committed by Mark Brown
parent 044930b4a6
commit 639b231f86
1 changed files with 7 additions and 3 deletions
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10
sound/soc/sh/rcar/src.c
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@ -620,13 +620,17 @@ static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data)
if (rsnd_src_error_record_gen2(mod)) {
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_src *src = rsnd_mod_to_src(mod);
struct device *dev = rsnd_priv_to_dev(priv);
_rsnd_src_stop_gen2(mod);
_rsnd_src_start_gen2(mod);
dev_dbg(dev, "%s[%d] restart\n",
rsnd_mod_name(mod), rsnd_mod_id(mod));
_rsnd_src_stop_gen2(mod);
if (src->err < 1024)
_rsnd_src_start_gen2(mod);
else
dev_warn(dev, "no more SRC restart\n");
}
return IRQ_HANDLED;