On 1.11.2024 6:31 AM, Alexey Klimov wrote: > In case of mono configurations we need to enforce single channel > output. This is required for audio playback on QRB4210 RB2 board. > > Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> > Signed-off-by: Alexey Klimov <alexey.klimov@xxxxxxxxxx> > --- > sound/soc/qcom/sm8250.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c > index 45e0c33fc3f3..7994488d7998 100644 > --- a/sound/soc/qcom/sm8250.c > +++ b/sound/soc/qcom/sm8250.c > @@ -39,10 +39,20 @@ static int sm8250_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, > SNDRV_PCM_HW_PARAM_RATE); > struct snd_interval *channels = hw_param_interval(params, > SNDRV_PCM_HW_PARAM_CHANNELS); > + struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); > > rate->min = rate->max = 48000; > channels->min = channels->max = 2; > > + /* Maybe should be moved to driver data variant */ > + switch (cpu_dai->id) { > + case RX_CODEC_DMA_RX_1: > + channels->min = channels->max = 1; > + break; This doesn't seem to be specific to either 8250 or 6115. It looks like this is board specific. Konrad