Some sound card based on rpmsg may support multi-channel. The number of channels can be sent to Cortex-M in rpmsg for process. Signed-off-by: Chancel Liu <chancel.liu@xxxxxxx> --- sound/soc/fsl/imx-pcm-rpmsg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/imx-pcm-rpmsg.c b/sound/soc/fsl/imx-pcm-rpmsg.c index 3157cd5a837e..2f310994f7ee 100644 --- a/sound/soc/fsl/imx-pcm-rpmsg.c +++ b/sound/soc/fsl/imx-pcm-rpmsg.c @@ -178,7 +178,7 @@ static int imx_rpmsg_pcm_hw_params(struct snd_soc_component *component, msg->s_msg.param.channels = RPMSG_CH_STEREO; break; default: - ret = -EINVAL; + msg->s_msg.param.channels = params_channels(params); break; } -- 2.25.1
