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

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Message-Id: <1688002673-28493-6-git-send-email-shengjiu.wang@nxp.com>
Date:   Thu, 29 Jun 2023 09:37:52 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     tfiga@...omium.org, m.szyprowski@...sung.com, mchehab@...nel.org,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        shengjiu.wang@...il.com, Xiubo.Lee@...il.com, festevam@...il.com,
        nicoleotsuka@...il.com, lgirdwood@...il.com, broonie@...nel.org,
        perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 5/6] ASoC: fsl_asrc: enable memory to memory function

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@....com>
---
 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