diff options
Diffstat (limited to 'sound/soc/mediatek')
| -rw-r--r-- | sound/soc/mediatek/mt8173-max98090.c | 11 | ||||
| -rw-r--r-- | sound/soc/mediatek/mt8173-rt5650-rt5676.c | 11 | ||||
| -rw-r--r-- | sound/soc/mediatek/mtk-afe-pcm.c | 17 |
3 files changed, 19 insertions, 20 deletions
diff --git a/sound/soc/mediatek/mt8173-max98090.c b/sound/soc/mediatek/mt8173-max98090.c index 684e8a78bed0..71a1a35047ba 100644 --- a/sound/soc/mediatek/mt8173-max98090.c +++ b/sound/soc/mediatek/mt8173-max98090.c @@ -179,21 +179,13 @@ static int mt8173_max98090_dev_probe(struct platform_device *pdev) } card->dev = &pdev->dev; - ret = snd_soc_register_card(card); + ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); return ret; } -static int mt8173_max98090_dev_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - snd_soc_unregister_card(card); - return 0; -} - static const struct of_device_id mt8173_max98090_dt_match[] = { { .compatible = "mediatek,mt8173-max98090", }, { } @@ -209,7 +201,6 @@ static struct platform_driver mt8173_max98090_driver = { #endif }, .probe = mt8173_max98090_dev_probe, - .remove = mt8173_max98090_dev_remove, }; module_platform_driver(mt8173_max98090_driver); diff --git a/sound/soc/mediatek/mt8173-rt5650-rt5676.c b/sound/soc/mediatek/mt8173-rt5650-rt5676.c index 86cf9752f18a..50ba538eccb3 100644 --- a/sound/soc/mediatek/mt8173-rt5650-rt5676.c +++ b/sound/soc/mediatek/mt8173-rt5650-rt5676.c @@ -246,21 +246,13 @@ static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) card->dev = &pdev->dev; platform_set_drvdata(pdev, card); - ret = snd_soc_register_card(card); + ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", __func__, ret); return ret; } -static int mt8173_rt5650_rt5676_dev_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - snd_soc_unregister_card(card); - return 0; -} - static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = { { .compatible = "mediatek,mt8173-rt5650-rt5676", }, { } @@ -276,7 +268,6 @@ static struct platform_driver mt8173_rt5650_rt5676_driver = { #endif }, .probe = mt8173_rt5650_rt5676_dev_probe, - .remove = mt8173_rt5650_rt5676_dev_remove, }; module_platform_driver(mt8173_rt5650_rt5676_driver); diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c index d190fe017559..f5baf3c38863 100644 --- a/sound/soc/mediatek/mtk-afe-pcm.c +++ b/sound/soc/mediatek/mtk-afe-pcm.c @@ -549,6 +549,23 @@ static int mtk_afe_dais_startup(struct snd_pcm_substream *substream, memif->substream = substream; snd_soc_set_runtime_hwparams(substream, &mtk_afe_hardware); + + /* + * Capture cannot use ping-pong buffer since hw_ptr at IRQ may be + * smaller than period_size due to AFE's internal buffer. + * This easily leads to overrun when avail_min is period_size. + * One more period can hold the possible unread buffer. + */ + if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { + ret = snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIODS, + 3, + mtk_afe_hardware.periods_max); + if (ret < 0) { + dev_err(afe->dev, "hw_constraint_minmax failed\n"); + return ret; + } + } ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); if (ret < 0) |