linux-kernel - [PATCH v10 05/14] ASoC: fsl_easrc: register m2m platform device

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Date:   Tue, 21 Nov 2023 15:37:26 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     hverkuil@...all.nl, sakari.ailus@....fi, 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 v10 05/14] ASoC: fsl_easrc: register m2m platform device

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

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
Acked-by: Mark Brown <broonie@...nel.org>
---
 sound/soc/fsl/fsl_easrc.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index cf7ad30a323b..ccbf45c7abf4 100644
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c
@@ -2075,6 +2075,7 @@ MODULE_DEVICE_TABLE(of, fsl_easrc_dt_ids);
 static int fsl_easrc_probe(struct platform_device *pdev)
 {
 	struct fsl_easrc_priv *easrc_priv;
+	struct fsl_asrc_m2m_pdata m2m_pdata;
 	struct device *dev = &pdev->dev;
 	struct fsl_asrc *easrc;
 	struct resource *res;
@@ -2190,6 +2191,19 @@ static int fsl_easrc_probe(struct platform_device *pdev)
 		goto err_pm_disable;
 	}
 
+	m2m_pdata.asrc = easrc;
+	m2m_pdata.fmt_in = FSL_EASRC_FORMATS;
+	m2m_pdata.fmt_out = FSL_EASRC_FORMATS | SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
+	m2m_pdata.rate_min = 8000;
+	m2m_pdata.rate_max = 768000;
+	m2m_pdata.chan_min = 1;
+	m2m_pdata.chan_max = 32;
+	easrc->m2m_pdev = platform_device_register_data(&pdev->dev,
+							M2M_DRV_NAME,
+							PLATFORM_DEVID_AUTO,
+							&m2m_pdata,
+							sizeof(m2m_pdata));
+
 	return 0;
 
 err_pm_disable:
@@ -2199,6 +2213,11 @@ static int fsl_easrc_probe(struct platform_device *pdev)
 
 static void fsl_easrc_remove(struct platform_device *pdev)
 {
+	struct fsl_asrc *easrc = dev_get_drvdata(&pdev->dev);
+
+	if (easrc->m2m_pdev && !IS_ERR(easrc->m2m_pdev))
+		platform_device_unregister(easrc->m2m_pdev);
+
 	pm_runtime_disable(&pdev->dev);
 }
 
-- 
2.34.1