ASoC: ak4535: Cleanup manual bias level transitions
Set the CODEC driver's suspend_bias_off flag rather than manually going to SND_SOC_BIAS_OFF in suspend and SND_SOC_BIAS_STANDBY in resume. This makes the code a bit shorter and cleaner. Since the ASoC core now takes care of setting the bias level to SND_SOC_BIAS_OFF when removing the CODEC there is no need to do it manually anymore either. The manual transition to SND_SOC_BIAS_STANDBY at the end of CODEC probe() can also be removed as the core will automatically do this after the CODEC has been probed. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -373,36 +373,19 @@ static struct snd_soc_dai_driver ak4535_dai = {
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.ops = &ak4535_dai_ops,
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};
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static int ak4535_suspend(struct snd_soc_codec *codec)
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{
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ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
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return 0;
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}
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static int ak4535_resume(struct snd_soc_codec *codec)
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{
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snd_soc_cache_sync(codec);
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ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
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return 0;
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}
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static int ak4535_probe(struct snd_soc_codec *codec)
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{
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/* power on device */
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ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
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snd_soc_add_codec_controls(codec, ak4535_snd_controls,
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ARRAY_SIZE(ak4535_snd_controls));
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return 0;
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}
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/* power down chip */
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static int ak4535_remove(struct snd_soc_codec *codec)
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{
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ak4535_set_bias_level(codec, SND_SOC_BIAS_OFF);
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return 0;
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}
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static const struct regmap_config ak4535_regmap = {
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.reg_bits = 8,
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.val_bits = 8,
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@ -417,10 +400,10 @@ static const struct regmap_config ak4535_regmap = {
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static struct snd_soc_codec_driver soc_codec_dev_ak4535 = {
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.probe = ak4535_probe,
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.remove = ak4535_remove,
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.suspend = ak4535_suspend,
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.resume = ak4535_resume,
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.set_bias_level = ak4535_set_bias_level,
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.suspend_bias_off = true,
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.dapm_widgets = ak4535_dapm_widgets,
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.num_dapm_widgets = ARRAY_SIZE(ak4535_dapm_widgets),
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.dapm_routes = ak4535_audio_map,
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