Otherwise we generate worrying (but benign) warnings for amps.

Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/soc-core.c | 13 ++++++++----- 1 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 7093c17..65352c7 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3122,10 +3122,12 @@ int snd_soc_register_codec(struct device *dev, fixup_codec_formats(&dai_drv[i].capture); }

- /* register DAIs */ - ret = snd_soc_register_dais(dev, dai_drv, num_dai); - if (ret < 0) + /* register any DAIs */ + if (num_dai) { + ret = snd_soc_register_dais(dev, dai_drv, num_dai); + if (ret < 0) goto error; + }

mutex_lock(&client_mutex); list_add(&codec->list, &codec_list); @@ -3164,8 +3166,9 @@ void snd_soc_unregister_codec(struct device *dev) return;

found: - for (i = 0; i < codec->num_dai; i++) - snd_soc_unregister_dai(dev); + if (codec->num_dai) + for (i = 0; i < codec->num_dai; i++) + snd_soc_unregister_dai(dev);

mutex_lock(&client_mutex); list_del(&codec->list);