[PATCH 5/6] ASoC: fsl_asrc: enable memory to memory function

From: Shengjiu Wang
Date: Wed Jun 28 2023 - 22:19:12 EST


Intergrate memory to memory feature to ASRC driver,
call m2m probe(), remove(), suspend() and resume()
in different callback.

Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
---
sound/soc/fsl/fsl_asrc.c | 37 +++++++++++++++++++++++++++++++++++--
1 file changed, 35 insertions(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c
index 30190ccb74e7..bd5f134e3473 100644
--- a/sound/soc/fsl/fsl_asrc.c
+++ b/sound/soc/fsl/fsl_asrc.c
@@ -17,6 +17,7 @@
#include <sound/pcm_params.h>

#include "fsl_asrc.h"
+#include "fsl_asrc_m2m.h"

#define IDEAL_RATIO_DECIMAL_DEPTH 26
#define DIVIDER_NUM 64
@@ -1380,6 +1381,13 @@ static int fsl_asrc_probe(struct platform_device *pdev)
goto err_pm_get_sync;
}

+ /* probe m2m feature */
+ ret = fsl_asrc_m2m_probe(asrc);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to init m2m device %d\n", ret);
+ goto err_pm_get_sync;
+ }
+
return 0;

err_pm_get_sync:
@@ -1392,6 +1400,9 @@ static int fsl_asrc_probe(struct platform_device *pdev)

static void fsl_asrc_remove(struct platform_device *pdev)
{
+ /* remove m2m feature */
+ fsl_asrc_m2m_remove(pdev);
+
pm_runtime_disable(&pdev->dev);
if (!pm_runtime_status_suspended(&pdev->dev))
fsl_asrc_runtime_suspend(&pdev->dev);
@@ -1493,10 +1504,32 @@ static int fsl_asrc_runtime_suspend(struct device *dev)
return 0;
}

+static int __maybe_unused fsl_asrc_suspend(struct device *dev)
+{
+ struct fsl_asrc *asrc = dev_get_drvdata(dev);
+
+ /* suspend asrc m2m */
+ fsl_asrc_m2m_suspend(asrc);
+
+ return pm_runtime_force_suspend(dev);
+}
+
+static int __maybe_unused fsl_asrc_resume(struct device *dev)
+{
+ struct fsl_asrc *asrc = dev_get_drvdata(dev);
+ int ret;
+
+ ret = pm_runtime_force_resume(dev);
+
+ /* resume asrc m2m */
+ 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)
+ SET_SYSTEM_SLEEP_PM_OPS(fsl_asrc_suspend, fsl_asrc_resume)
};

static const struct fsl_asrc_soc_data fsl_asrc_imx35_data = {
--
2.34.1