ASoC: imx-pcm-rpmsg: Set PCM hardware parameters separately

Different PCM devices may have different PCM hardware parameters. It
requires PCM hardware parameters set separately if there is more than
one rpmsg sound card.
Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
Acked-by: Shengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20230625065412.651870-1-chancel.liu@nxp.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/imx-pcm-rpmsg.c

@@ -228,6 +228,10 @@ static int imx_rpmsg_pcm_open(struct snd_soc_component *component,
 			      struct snd_pcm_substream *substream)
 {
 	struct rpmsg_info *info = dev_get_drvdata(component->dev);
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	struct fsl_rpmsg *rpmsg = dev_get_drvdata(cpu_dai->dev);
+	struct snd_pcm_hardware pcm_hardware;
 	struct rpmsg_msg *msg;
 	int ret = 0;
 	int cmd;
@@ -255,10 +259,11 @@ static int imx_rpmsg_pcm_open(struct snd_soc_component *component,
 
 	info->send_message(msg, info);
 
-	imx_rpmsg_pcm_hardware.period_bytes_max =
-			imx_rpmsg_pcm_hardware.buffer_bytes_max / 2;
+	pcm_hardware = imx_rpmsg_pcm_hardware;
+	pcm_hardware.buffer_bytes_max = rpmsg->buffer_size;
+	pcm_hardware.period_bytes_max = pcm_hardware.buffer_bytes_max / 2;
 
-	snd_soc_set_runtime_hwparams(substream, &imx_rpmsg_pcm_hardware);
+	snd_soc_set_runtime_hwparams(substream, &pcm_hardware);
 
 	ret = snd_pcm_hw_constraint_integer(substream->runtime,
 					    SNDRV_PCM_HW_PARAM_PERIODS);
@@ -597,7 +602,6 @@ static int imx_rpmsg_pcm_new(struct snd_soc_component *component,
 	if (ret)
 		return ret;
 
-	imx_rpmsg_pcm_hardware.buffer_bytes_max = rpmsg->buffer_size;
 	return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV_WC,
 					    pcm->card->dev, rpmsg->buffer_size);
 }