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ASoC: intel: sof_sdw: add .exit callback function

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We may allocate some resources in sof_sdw_codec_info .init function.
Adding a corresponding .exit function can help to release these resources.

Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200820134542.8682-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao 2020-08-20 21:45:42 +08:00 committed by Mark Brown
parent b507475588
commit 751365035b
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 32 additions and 0 deletions
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31
sound/soc/intel/boards/sof_sdw.c
View File

@ -1032,12 +1032,43 @@ static int mc_probe(struct platform_device *pdev)
return ret;
}
static int mc_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct snd_soc_dai_link *link;
int ret;
int i, j;
for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
if (!codec_info_list[i].exit)
continue;
/*
* We don't need to call .exit function if there is no matched
* dai link found.
*/
for_each_card_prelinks(card, j, link) {
if (!strcmp(link->codecs[0].dai_name,
codec_info_list[i].dai_name)) {
ret = codec_info_list[i].exit(&pdev->dev, link);
if (ret)
dev_warn(&pdev->dev,
"codec exit failed %d\n",
ret);
break;
}
}
}
return 0;
}
static struct platform_driver sof_sdw_driver = {
.driver = {
.name = "sof_sdw",
.pm = &snd_soc_pm_ops,
},
.probe = mc_probe,
.remove = mc_remove,
};
module_platform_driver(sof_sdw_driver);

1
sound/soc/intel/boards/sof_sdw_common.h
View File

@ -63,6 +63,7 @@ struct sof_sdw_codec_info {
struct sof_sdw_codec_info *info,
bool playback);
int (*exit)(struct device *dev, struct snd_soc_dai_link *dai_link);
bool late_probe;
int (*codec_card_late_probe)(struct snd_soc_card *card);
};