diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2015-10-26 08:41:36 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-11-16 10:09:29 +0000 |
| commit | 69e32a58bde67490f57b6172da198b50c7aa6ab1 (patch) | |
| tree | d677d0667a696a5ee2760e8ca45942c23e62c816 /sound/soc/sh/rcar/src.c | |
| parent | c2dc47d5cff62bfe21a691bef40eb30a585caa3c (diff) | |
| download | op-kernel-dev-69e32a58bde67490f57b6172da198b50c7aa6ab1.zip op-kernel-dev-69e32a58bde67490f57b6172da198b50c7aa6ab1.tar.gz | |
ASoC: rsnd: Don't stop HW even if a large number of errors occur
Current SSI/SRC restarts HW if under/over flow happened to avoid L/R
invert issue. But it will stop HW if too many error happen.
But if it stops on HW, other side under/over flow happen. OTHA, it will
be forever loop interrupt if something strange error happen on
HW/driver without escape route of large number error.
To avoid this issue, it indicates error message if large number error
occur, and disables error interrupt.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh/rcar/src.c')
| -rw-r--r-- | sound/soc/sh/rcar/src.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index 3f6993f..0d96ce5 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -690,6 +690,8 @@ static void __rsnd_src_interrupt_gen2(struct rsnd_mod *mod, struct rsnd_dai_stream *io) { 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); spin_lock(&priv->lock); @@ -698,18 +700,19 @@ static void __rsnd_src_interrupt_gen2(struct rsnd_mod *mod, goto rsnd_src_interrupt_gen2_out; 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); 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, io); - else - dev_warn(dev, "no more SRC restart\n"); + _rsnd_src_start_gen2(mod, io); + } + + if (src->err > 1024) { + rsnd_src_irq_disable_gen2(mod); + + dev_warn(dev, "no more %s[%d] restart\n", + rsnd_mod_name(mod), rsnd_mod_id(mod)); } rsnd_src_interrupt_gen2_out: |
