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@xxxxxxx>
---
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);
}
--
2.25.1
