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| author |  Bard Liao <yung-chuan.liao@linux.intel.com>
| 2020-08-20 21:45:42 +0800 |
|---|---|---|
| committer |  Mark Brown <broonie@kernel.org>
| 2020-08-21 15:24:41 +0100 |
| commit | 751365035b4f360369ed6b0990283fd25d4ee32c (patch) | |
| tree | d6058c6f62f92b32c7d90be365c66b795e94aac7 /sound/soc | |
| parent | ASoC: fsl-asoc-card: add support for TLV320AIC32x4 codec (diff) | |
| download | linux-751365035b4f360369ed6b0990283fd25d4ee32c.tar.gz linux-751365035b4f360369ed6b0990283fd25d4ee32c.tar.bz2 linux-751365035b4f360369ed6b0990283fd25d4ee32c.zip | |
ASoC: intel: sof_sdw: add .exit callback function
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>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/intel/boards/sof_sdw.c | 31 | ||||
| -rw-r--r-- | sound/soc/intel/boards/sof_sdw_common.h | 1 |
2 files changed, 32 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index 2463d432bf4d..4bc1ed757009 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -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); diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boards/sof_sdw_common.h index 12e32439ba46..76d6c0c3839d 100644 --- a/sound/soc/intel/boards/sof_sdw_common.h +++ b/sound/soc/intel/boards/sof_sdw_common.h @@ -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); }; |