[PATCH 1/2] ASoC: fsl_rpmsg: Configure CPU DAI for card that sits on rpmsg-micfil-channel

Chancel Liu chancel.liu at nxp.com
Mon Apr 21 20:57:00 AEST 2025


Sound card that sits on rpmsg-micfil-channel has different settings on
CPU DAI.

Signed-off-by: Chancel Liu <chancel.liu at nxp.com>
---
 sound/soc/fsl/fsl_rpmsg.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sound/soc/fsl/fsl_rpmsg.c b/sound/soc/fsl/fsl_rpmsg.c
index 6d67db4e0581..4e3ca05bedd6 100644
--- a/sound/soc/fsl/fsl_rpmsg.c
+++ b/sound/soc/fsl/fsl_rpmsg.c
@@ -229,6 +229,16 @@ static int fsl_rpmsg_probe(struct platform_device *pdev)
 	}
 	dai_drv->name = dai_name;
 
+	/* Setup cpu dai for sound card that sits on rpmsg-micfil-channel */
+	if (!strcmp(dai_name, "rpmsg-micfil-channel")) {
+		dai_drv->capture.channels_min = 1;
+		dai_drv->capture.channels_max = 8;
+		dai_drv->capture.rates = SNDRV_PCM_RATE_8000_48000;
+		dai_drv->capture.formats = SNDRV_PCM_FMTBIT_S32_LE;
+		if (of_device_is_compatible(np, "fsl,imx8mm-rpmsg-audio"))
+			dai_drv->capture.formats = SNDRV_PCM_FMTBIT_S16_LE;
+	}
+
 	if (of_property_read_bool(np, "fsl,enable-lpa")) {
 		rpmsg->enable_lpa = 1;
 		rpmsg->buffer_size = LPA_LARGE_BUFFER_SIZE;
-- 
2.47.1



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