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 --- sound/soc/fsl/imx-pcm-rpmsg.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/sound/soc/fsl/imx-pcm-rpmsg.c b/sound/soc/fsl/imx-pcm-rpmsg.c index 765dad607bf6..d63782b8bdef 100644 --- a/sound/soc/fsl/imx-pcm-rpmsg.c +++ b/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); }