The bclk_ratio is set by .set_bclk_ratio API. bclk_ratio = slots * slot_width So if slots is not set by .set_tdm_slot, then it can be calculated by bclk_ratio. Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx> --- sound/soc/fsl/fsl_sai.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 7523bb944b21..acf76ea21138 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -535,12 +535,14 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream, u32 pins, bclk; int ret, i; - if (sai->slots) - slots = sai->slots; - if (sai->slot_width) slot_width = sai->slot_width; + if (sai->slots) + slots = sai->slots; + else if (sai->bclk_ratio) + slots = sai->bclk_ratio / slot_width; + pins = DIV_ROUND_UP(channels, slots); /* -- 2.17.1
