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ASoC: mxs: mxs-pcm does not need to be a plaform_driver

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Same as the commit 518de86 (ASoC: tegra: register 'platform' from DAIs,
get rid of pdev), it makes mxs-pcm not a platform_driver but helper to
register "platform", so that the platform_device for mxs-pcm can be
saved completely.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Shawn Guo 2012-05-11 22:24:16 +08:00 committed by Mark Brown
parent 065899c997
commit 4da3fe7851
5 changed files with 15 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
sound/soc/mxs/mxs-pcm.c
View File

@ -220,28 +220,16 @@ static struct snd_soc_platform_driver mxs_soc_platform = {
.pcm_free = mxs_pcm_free,
};
static int __devinit mxs_soc_platform_probe(struct platform_device *pdev)
int __devinit mxs_pcm_platform_register(struct device *dev)
{
return snd_soc_register_platform(&pdev->dev, &mxs_soc_platform);
return snd_soc_register_platform(dev, &mxs_soc_platform);
}
EXPORT_SYMBOL_GPL(mxs_pcm_platform_register);
static int __devexit mxs_soc_platform_remove(struct platform_device *pdev)
void __devexit mxs_pcm_platform_unregister(struct device *dev)
{
snd_soc_unregister_platform(&pdev->dev);
return 0;
snd_soc_unregister_platform(dev);
}
static struct platform_driver mxs_pcm_driver = {
.driver = {
.name = "mxs-pcm-audio",
.owner = THIS_MODULE,
},
.probe = mxs_soc_platform_probe,
.remove = __devexit_p(mxs_soc_platform_remove),
};
module_platform_driver(mxs_pcm_driver);
EXPORT_SYMBOL_GPL(mxs_pcm_platform_unregister);
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:mxs-pcm-audio");

3
sound/soc/mxs/mxs-pcm.h
View File

@ -24,4 +24,7 @@ struct mxs_pcm_dma_params {
int chan_num;
};
int mxs_pcm_platform_register(struct device *dev);
void mxs_pcm_platform_unregister(struct device *dev);
#endif

18
sound/soc/mxs/mxs-saif.c
View File

@ -708,24 +708,14 @@ static int __devinit mxs_saif_probe(struct platform_device *pdev)
goto failed_get_resource;
}
saif->soc_platform_pdev = platform_device_alloc(
"mxs-pcm-audio", pdev->id);
if (!saif->soc_platform_pdev) {
ret = -ENOMEM;
goto failed_pdev_alloc;
}
platform_set_drvdata(saif->soc_platform_pdev, saif);
ret = platform_device_add(saif->soc_platform_pdev);
ret = mxs_pcm_platform_register(&pdev->dev);
if (ret) {
dev_err(&pdev->dev, "failed to add soc platform device\n");
goto failed_pdev_add;
dev_err(&pdev->dev, "register PCM failed: %d\n", ret);
goto failed_pdev_alloc;
}
return 0;
failed_pdev_add:
platform_device_put(saif->soc_platform_pdev);
failed_pdev_alloc:
snd_soc_unregister_dai(&pdev->dev);
failed_get_resource:
@ -738,7 +728,7 @@ static int __devexit mxs_saif_remove(struct platform_device *pdev)
{
struct mxs_saif *saif = platform_get_drvdata(pdev);
platform_device_unregister(saif->soc_platform_pdev);
mxs_pcm_platform_unregister(&pdev->dev);
snd_soc_unregister_dai(&pdev->dev);
clk_put(saif->clk);

1
sound/soc/mxs/mxs-saif.h
View File

@ -123,7 +123,6 @@ struct mxs_saif {
unsigned int cur_rate;
unsigned int ongoing;
struct platform_device *soc_platform_pdev;
u32 fifo_underrun;
u32 fifo_overrun;
};

4
sound/soc/mxs/mxs-sgtl5000.c
View File

@ -90,7 +90,7 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = {
.codec_dai_name = "sgtl5000",
.codec_name = "sgtl5000.0-000a",
.cpu_dai_name = "mxs-saif.0",
.platform_name = "mxs-pcm-audio.0",
.platform_name = "mxs-saif.0",
.ops = &mxs_sgtl5000_hifi_ops,
}, {
.name = "HiFi Rx",
@ -98,7 +98,7 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = {
.codec_dai_name = "sgtl5000",
.codec_name = "sgtl5000.0-000a",
.cpu_dai_name = "mxs-saif.1",
.platform_name = "mxs-pcm-audio.1",
.platform_name = "mxs-saif.1",
.ops = &mxs_sgtl5000_hifi_ops,
},
};