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Subject[PATCH] ASoC: fsl_sai: Update slots number according to bclk_ratio
Date
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@nxp.com>
---
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
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