未验证 提交 9c3ad33b 编写于 作者: S Shengjiu Wang 提交者: Mark Brown

ASoC: fsl_sai: register platform component before registering cpu dai

There is no defer probe when adding platform component to
snd_soc_pcm_runtime(rtd), the code is in snd_soc_add_pcm_runtime()

snd_soc_register_card()
  -> snd_soc_bind_card()
    -> snd_soc_add_pcm_runtime()
      -> adding cpu dai
      -> adding codec dai
      -> adding platform component.

So if the platform component is not ready at that time, then the
sound card still registered successfully, but platform component
is empty, the sound card can't be used.

As there is defer probe checking for cpu dai component, then register
platform component before cpu dai to avoid such issue.

Fixes: 43550821 ("ASoC: Add SAI SoC Digital Audio Interface driver")
Signed-off-by: NShengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1630665006-31437-2-git-send-email-shengjiu.wang@nxp.comSigned-off-by: NMark Brown <broonie@kernel.org>
上级 26be23af
...@@ -1152,11 +1152,10 @@ static int fsl_sai_probe(struct platform_device *pdev) ...@@ -1152,11 +1152,10 @@ static int fsl_sai_probe(struct platform_device *pdev)
if (ret < 0) if (ret < 0)
goto err_pm_get_sync; goto err_pm_get_sync;
ret = devm_snd_soc_register_component(&pdev->dev, &fsl_component, /*
&sai->cpu_dai_drv, 1); * Register platform component before registering cpu dai for there
if (ret) * is not defer probe for platform component in snd_soc_add_pcm_runtime().
goto err_pm_get_sync; */
if (sai->soc_data->use_imx_pcm) { if (sai->soc_data->use_imx_pcm) {
ret = imx_pcm_dma_init(pdev, IMX_SAI_DMABUF_SIZE); ret = imx_pcm_dma_init(pdev, IMX_SAI_DMABUF_SIZE);
if (ret) if (ret)
...@@ -1167,6 +1166,11 @@ static int fsl_sai_probe(struct platform_device *pdev) ...@@ -1167,6 +1166,11 @@ static int fsl_sai_probe(struct platform_device *pdev)
goto err_pm_get_sync; goto err_pm_get_sync;
} }
ret = devm_snd_soc_register_component(&pdev->dev, &fsl_component,
&sai->cpu_dai_drv, 1);
if (ret)
goto err_pm_get_sync;
return ret; return ret;
err_pm_get_sync: err_pm_get_sync:
......
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