[RFC PATCH 5/6] ASoC: fsl_asrc: register m2m platform device

Shengjiu Wang
2024-08-06T10:47:41Z

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

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
sound/soc/fsl/fsl_asrc.c | 37 +++++++++++++++++++++++++++++++++----
1 file changed, 33 insertions(+), 4 deletions(-)

diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 01e3af5b1bea..5d88abd905a5 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -1381,6 +1381,12 @@ static int fsl_asrc_probe(struct platform_device *pdev)
goto err_pm_get_sync;
}

+ ret = fsl_asrc_m2m_init(asrc);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to init m2m device %d\n", ret);
+ return ret;
+ }
+
return 0;

err_pm_get_sync:
@@ -1393,6 +1399,10 @@ 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);
+
+ fsl_asrc_m2m_exit(asrc);
+
pm_runtime_disable(&pdev->dev);
if (!pm_runtime_status_suspended(&pdev->dev))
fsl_asrc_runtime_suspend(&pdev->dev);
@@ -1494,10 +1504,29 @@ static int fsl_asrc_runtime_suspend(struct device *dev)
return 0;
}

+static int fsl_asrc_suspend(struct device *dev)
+{
+ struct fsl_asrc *asrc = dev_get_drvdata(dev);
+ int ret;
+
+ fsl_asrc_m2m_suspend(asrc);
+ ret = pm_runtime_force_suspend(dev);
+ return ret;
+}
+
+static int fsl_asrc_resume(struct device *dev)
+{
+ struct fsl_asrc *asrc = dev_get_drvdata(dev);
+ int ret;
+
+ ret = pm_runtime_force_resume(dev);
+ fsl_asrc_m2m_resume(asrc);
+ return ret;
+}
+
static const struct dev_pm_ops fsl_asrc_pm = {
- SET_RUNTIME_PM_OPS(fsl_asrc_runtime_suspend, fsl_asrc_runtime_resume, NULL)
- SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
- pm_runtime_force_resume)
+ RUNTIME_PM_OPS(fsl_asrc_runtime_suspend, fsl_asrc_runtime_resume, NULL)
+ SYSTEM_SLEEP_PM_OPS(fsl_asrc_suspend, fsl_asrc_resume)
};

static const struct fsl_asrc_soc_data fsl_asrc_imx35_data = {
@@ -1535,7 +1564,7 @@ static struct platform_driver fsl_asrc_driver = {
.driver = {
.name = "fsl-asrc",
.of_match_table = fsl_asrc_ids,
- .pm = &fsl_asrc_pm,
+ .pm = pm_ptr(&fsl_asrc_pm),
},
};
module_platform_driver(fsl_asrc_driver);
--
2.34.1