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author | Lars-Peter Clausen <lars@metafoo.de> | 2014-11-10 22:41:48 +0100 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2014-11-18 15:37:57 +0000 |
commit | bdfd60e3c0affb914549f1d22e8aeef71e7828e6 (patch) | |
tree | ead1fb889010a82158481275d92670e7d9362523 | |
parent | eda1a701fd9589b6ed15b109558bd4f6202e3829 (diff) | |
download | linux-stable-bdfd60e3c0affb914549f1d22e8aeef71e7828e6.tar.gz linux-stable-bdfd60e3c0affb914549f1d22e8aeef71e7828e6.tar.bz2 linux-stable-bdfd60e3c0affb914549f1d22e8aeef71e7828e6.zip |
ASoC: ac97: Merge soc_ac97_dev_{un,}register()/soc_{un,}register_ac97_codec()
soc_{un,}register_ac97_codec() is just a simple wrapper around
soc_ac97_dev_{un,}register(). There is no need to split these up into two
different sets of functions.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r-- | sound/soc/soc-ac97.c | 80 |
1 files changed, 30 insertions, 50 deletions
diff --git a/sound/soc/soc-ac97.c b/sound/soc/soc-ac97.c index dbfca7e7dddb..b5d23c976662 100644 --- a/sound/soc/soc-ac97.c +++ b/sound/soc/soc-ac97.c @@ -42,18 +42,28 @@ static struct snd_ac97_bus soc_ac97_bus = { .ops = NULL, /* Gets initialized in snd_soc_set_ac97_ops() */ }; -/* unregister ac97 codec */ -static int soc_ac97_dev_unregister(struct snd_soc_codec *codec) -{ - if (codec->ac97->dev.bus) - device_del(&codec->ac97->dev); - return 0; -} - /* register ac97 codec to bus */ -static int soc_ac97_dev_register(struct snd_soc_codec *codec) +static int soc_register_ac97_codec(struct snd_soc_codec *codec, + struct snd_soc_dai *codec_dai) { - int err; + int ret; + + /* Only instantiate AC97 if not already done by the adaptor + * for the generic AC97 subsystem. + */ + if (!codec_dai->driver->ac97_control || codec->ac97_registered) + return 0; + + /* + * It is possible that the AC97 device is already registered to + * the device subsystem. This happens when the device is created + * via snd_ac97_mixer(). Currently only SoC codec that does so + * is the generic AC97 glue but others migh emerge. + * + * In those cases we don't try to register the device again. + */ + if (!codec->ac97_created) + return 0; codec->ac97->dev.bus = &ac97_bus_type; codec->ac97->dev.parent = codec->component.card->dev; @@ -61,53 +71,23 @@ static int soc_ac97_dev_register(struct snd_soc_codec *codec) dev_set_name(&codec->ac97->dev, "%d-%d:%s", codec->component.card->snd_card->number, 0, codec->component.name); - err = device_add(&codec->ac97->dev); - if (err < 0) { - dev_err(codec->dev, "ASoC: Can't register ac97 bus\n"); - codec->ac97->dev.bus = NULL; - return err; + ret = device_add(&codec->ac97->dev); + if (ret < 0) { + dev_err(codec->dev, "ASoC: AC97 device register failed: %d\n", + ret); + return ret; } - return 0; -} - -static int soc_register_ac97_codec(struct snd_soc_codec *codec, - struct snd_soc_dai *codec_dai) -{ - int ret; + codec->ac97_registered = 1; - /* Only instantiate AC97 if not already done by the adaptor - * for the generic AC97 subsystem. - */ - if (codec_dai->driver->ac97_control && !codec->ac97_registered) { - /* - * It is possible that the AC97 device is already registered to - * the device subsystem. This happens when the device is created - * via snd_ac97_mixer(). Currently only SoC codec that does so - * is the generic AC97 glue but others migh emerge. - * - * In those cases we don't try to register the device again. - */ - if (!codec->ac97_created) - return 0; - - ret = soc_ac97_dev_register(codec); - if (ret < 0) { - dev_err(codec->dev, - "ASoC: AC97 device register failed: %d\n", ret); - return ret; - } - - codec->ac97_registered = 1; - } return 0; } static void soc_unregister_ac97_codec(struct snd_soc_codec *codec) { - if (codec->ac97_registered) { - soc_ac97_dev_unregister(codec); - codec->ac97_registered = 0; - } + if (!codec->ac97_registered) + return; + device_del(&codec->ac97->dev); + codec->ac97_registered = 0; } static int soc_register_ac97_dai_link(struct snd_soc_pcm_runtime *rtd) |