Unverified Commit 82770b76 authored by Chancel Liu's avatar Chancel Liu Committed by Mark Brown
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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: default avatarChancel Liu <chancel.liu@nxp.com>
Acked-by: default avatarShengjiu Wang <shengjiu.wang@gmail.com>
Link: https://lore.kernel.org/r/20230625065412.651870-1-chancel.liu@nxp.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 7f6ecc22

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

+8 −4
Original line number Diff line number Diff line
@@ -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);

}