[RFC PATCH v2 6/7] ASoC: fsl_asrc: register m2m platform device

Shengjiu Wang
2023-07-25T06:46:39Z

Register m2m platform device, that user can
use M2M feature.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
include/sound/fsl_asrc_common.h | 2 ++
sound/soc/fsl/fsl_asrc.c | 12 ++++++++++++
2 files changed, 14 insertions(+)

diff --git a/include/sound/fsl_asrc_common.h b/include/sound/fsl_asrc_common.h
index 191302711ea6..0f3effa42308 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
@@ -102,6 +103,7 @@ 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;
diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 30190ccb74e7..0d1dfa30271e 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -1198,6 +1198,7 @@ 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;
@@ -1380,6 +1381,12 @@ 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,
+ "fsl_asrc_m2m",
+ PLATFORM_DEVID_AUTO,
+ &m2m_pdata,
+ sizeof(m2m_pdata));
return 0;

err_pm_get_sync:
@@ -1392,6 +1399,11 @@ 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);
--
2.34.1