Register m2m platform device, that user can use M2M feature.
Defined platform data structure and platform driver name.
Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com --- include/sound/fsl_asrc_common.h | 12 ++++++++++++ sound/soc/fsl/fsl_asrc.c | 12 ++++++++++++ 2 files changed, 24 insertions(+)
diff --git a/include/sound/fsl_asrc_common.h b/include/sound/fsl_asrc_common.h index 7f7e725075fe..e978a2f9cd24 100644 --- a/include/sound/fsl_asrc_common.h +++ b/include/sound/fsl_asrc_common.h @@ -69,6 +69,7 @@ struct fsl_asrc_pair { * @dma_params_rx: DMA parameters for receive channel * @dma_params_tx: DMA parameters for transmit channel * @pdev: platform device pointer + * @m2m_pdev: m2m platform device pointer * @regmap: regmap handler * @paddr: physical address to the base address of registers * @mem_clk: clock source to access register @@ -104,6 +105,7 @@ struct fsl_asrc { struct snd_dmaengine_dai_dma_data dma_params_rx; struct snd_dmaengine_dai_dma_data dma_params_tx; struct platform_device *pdev; + struct platform_device *m2m_pdev; struct regmap *regmap; unsigned long paddr; struct clk *mem_clk; @@ -144,6 +146,16 @@ struct fsl_asrc { void *private; };
+/** + * struct fsl_asrc_m2m_pdata - platform data + * @asrc: pointer to struct fsl_asrc + * + */ +struct fsl_asrc_m2m_pdata { + struct fsl_asrc *asrc; +}; + +#define M2M_DRV_NAME "fsl_asrc_m2m" #define DRV_NAME "fsl-asrc-dai" extern struct snd_soc_component_driver fsl_asrc_component;
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index f9d830e0957f..7b72d6bcf281 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -1208,6 +1208,7 @@ static int fsl_asrc_runtime_suspend(struct device *dev); static int fsl_asrc_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; + struct fsl_asrc_m2m_pdata m2m_pdata; struct fsl_asrc_priv *asrc_priv; struct fsl_asrc *asrc; struct resource *res; @@ -1392,6 +1393,12 @@ static int fsl_asrc_probe(struct platform_device *pdev) goto err_pm_get_sync; }
+ m2m_pdata.asrc = asrc; + asrc->m2m_pdev = platform_device_register_data(&pdev->dev, + M2M_DRV_NAME, + PLATFORM_DEVID_AUTO, + &m2m_pdata, + sizeof(m2m_pdata)); return 0;
err_pm_get_sync: @@ -1404,6 +1411,11 @@ static int fsl_asrc_probe(struct platform_device *pdev)
static void fsl_asrc_remove(struct platform_device *pdev) { + struct fsl_asrc *asrc = dev_get_drvdata(&pdev->dev); + + if (asrc->m2m_pdev && !IS_ERR(asrc->m2m_pdev)) + platform_device_unregister(asrc->m2m_pdev); + pm_runtime_disable(&pdev->dev); if (!pm_runtime_status_suspended(&pdev->dev)) fsl_asrc_runtime_suspend(&pdev->dev);