From: Shengjiu Wang shengjiu.wang@nxp.com
[ Upstream commit 294a60e5e9830045c161181286d44ce669f88833 ]
In order to make the audmix device linked by audio graph card, make 'dais' property to be optional.
If 'dais' property exists, then register the imx-audmix card driver. otherwise, it should be linked by audio graph card.
Signed-off-by: Shengjiu Wang shengjiu.wang@nxp.com Link: https://patch.msgid.link/20250226100508.2352568-5-shengjiu.wang@nxp.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/fsl/fsl_audmix.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/sound/soc/fsl/fsl_audmix.c b/sound/soc/fsl/fsl_audmix.c index 0ab2c19621175..d8e44470f501e 100644 --- a/sound/soc/fsl/fsl_audmix.c +++ b/sound/soc/fsl/fsl_audmix.c @@ -492,11 +492,17 @@ static int fsl_audmix_probe(struct platform_device *pdev) goto err_disable_pm; }
- priv->pdev = platform_device_register_data(dev, "imx-audmix", 0, NULL, 0); - if (IS_ERR(priv->pdev)) { - ret = PTR_ERR(priv->pdev); - dev_err(dev, "failed to register platform: %d\n", ret); - goto err_disable_pm; + /* + * If dais property exist, then register the imx-audmix card driver. + * otherwise, it should be linked by audio graph card. + */ + if (of_find_property(pdev->dev.of_node, "dais", NULL)) { + priv->pdev = platform_device_register_data(dev, "imx-audmix", 0, NULL, 0); + if (IS_ERR(priv->pdev)) { + ret = PTR_ERR(priv->pdev); + dev_err(dev, "failed to register platform: %d\n", ret); + goto err_disable_pm; + } }
return 0;