[PATCH 6/6] ASoC: fsl_easrc: enable memory to memory function

[Shengjiu Wang]

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

Signed-off-by: Shengjiu Wang <shengjiu.w...@nxp.com>
---
 sound/soc/fsl/fsl_easrc.c | 41 +++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index b735b24badc2..bc5404627032 100644
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c
@@ -29,6 +29,7 @@
 #include <sound/core.h>
 
 #include "fsl_easrc.h"
+#include "fsl_asrc_m2m.h"
 #include "imx-pcm.h"
 
 #define FSL_EASRC_FORMATS       (SNDRV_PCM_FMTBIT_S16_LE | \
@@ -2190,11 +2191,21 @@ static int fsl_easrc_probe(struct platform_device *pdev)
                return ret;
        }
 
+       /* probe the m2m feature */
+       ret = fsl_asrc_m2m_probe(easrc);
+       if (ret) {
+               dev_err(&pdev->dev, "failed to init m2m device %d\n", ret);
+               return ret;
+       }
+
        return 0;
 }
 
 static void fsl_easrc_remove(struct platform_device *pdev)
 {
+       /* remove the m2m feature */
+       fsl_asrc_m2m_remove(pdev);
+
        pm_runtime_disable(&pdev->dev);
 }
 
@@ -2295,12 +2306,38 @@ static __maybe_unused int 
fsl_easrc_runtime_resume(struct device *dev)
        return ret;
 }
 
+static int __maybe_unused fsl_easrc_suspend(struct device *dev)
+{
+       struct fsl_asrc *easrc = dev_get_drvdata(dev);
+       int ret;
+
+       /* suspend m2m function first */
+       fsl_asrc_m2m_suspend(easrc);
+
+       ret = pm_runtime_force_suspend(dev);
+
+       return ret;
+}
+
+static int __maybe_unused fsl_easrc_resume(struct device *dev)
+{
+       struct fsl_asrc *easrc = dev_get_drvdata(dev);
+       int ret;
+
+       ret = pm_runtime_force_resume(dev);
+
+       /* resume m2m function */
+       fsl_asrc_m2m_resume(easrc);
+
+       return ret;
+}
+
 static const struct dev_pm_ops fsl_easrc_pm_ops = {
        SET_RUNTIME_PM_OPS(fsl_easrc_runtime_suspend,
                           fsl_easrc_runtime_resume,
                           NULL)
-       SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
-                               pm_runtime_force_resume)
+       SET_SYSTEM_SLEEP_PM_OPS(fsl_easrc_suspend,
+                               fsl_easrc_resume)
 };
 
 static struct platform_driver fsl_easrc_driver = {
-- 
2.34.1