ASoC: rsnd: no more SRC restart when unusual situation (639b231f) · Commits · 戴 / test

It will be SRC interrupt endless loop f unusual situation happen. This patch adds restart limit for it. Signed-off-by:

sound/soc/sh/rcar/src.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -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;