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ASoC: rsnd: don't call update callback if it was NULL

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commit d728956548 upstream.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Thong Ho <thong.ho.px@rvc.renesas.com>
Signed-off-by: Nhan Nguyen <nhan.nguyen.yb@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kuninori Morimoto 2016-02-25 05:51:12 +00:00 committed by Greg Kroah-Hartman
parent 95fc5ef854
commit 4ec0b2c2d2
1 changed files with 1 additions and 1 deletions
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2
sound/soc/sh/rcar/core.c
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@ -1016,7 +1016,7 @@ static int rsnd_kctrl_put(struct snd_kcontrol *kctrl,
}
}
if (change)
if (change && cfg->update)
cfg->update(cfg->io, mod);
return change;