From dda4d6bc3be22a7c83b4717593db29c99a76a750 Mon Sep 17 00:00:00 2001
From: Shengjiu Wang <shengjiu.wang@nxp.com>
Date: Fri, 1 Apr 2022 09:15:45 +0800
Subject: [PATCH] LF-5909-1: ASoC: fsl_sai: Refine the slots number according
to bclk_ratio
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 can be calculated
by bclk_ratio.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Chancel Liu <chancel.liu@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 956051268b516..5cf6711393246 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -547,8 +547,13 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
int ret, i, trce_mask = 0, dl_cfg_cnt, dl_cfg_idx = 0;
struct fsl_sai_dl_cfg *dl_cfg;
+ 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);
sai->is_dsd = fsl_is_dsd(params);
@@ -574,9 +579,6 @@ static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
return -EINVAL;
}
- if (sai->slot_width)
- slot_width = sai->slot_width;
-
bclk = rate*(sai->bclk_ratio ? sai->bclk_ratio : slots * slot_width);
if (!IS_ERR_OR_NULL(sai->pinctrl)) {
--
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