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ASoC: codecs: hda: Fix RPM usage count underflow
RPM manipulation in hda_codec_probe_complete()'s error path is
superfluous and leads to RPM usage count underflow if the
build-controls operation fails.
hda_codec_probe_complete() is called in:
1) hda_codec_probe() for all non-HDMI codecs
2) in card->late_probe() for HDMI codecs
Error path for hda_codec_probe() takes care of bus' RPM already.
For 2) if late_probe() fails, ASoC performs card cleanup what
triggers hda_codec_remote() - same treatment is in 1).
Fixes: b5df2a7dca ("ASoC: codecs: Add HD-Audio codec driver")
Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20250530141025.2942936-2-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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parent
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@ -152,7 +152,7 @@ int hda_codec_probe_complete(struct hda_codec *codec)
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ret = snd_hda_codec_build_controls(codec);
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if (ret < 0) {
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dev_err(&hdev->dev, "unable to create controls %d\n", ret);
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goto out;
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return ret;
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}
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/* Bus suspended codecs as it does not manage their pm */
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@ -160,7 +160,7 @@ int hda_codec_probe_complete(struct hda_codec *codec)
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/* rpm was forbidden in snd_hda_codec_device_new() */
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snd_hda_codec_set_power_save(codec, 2000);
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snd_hda_codec_register(codec);
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out:
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/* Complement pm_runtime_get_sync(bus) in probe */
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pm_runtime_mark_last_busy(bus->dev);
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pm_runtime_put_autosuspend(bus->dev);
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