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ASoC: fsl_sai: Update slots number according to bclk_ratio
author
Shengjiu Wang
<shengjiu.wang@nxp.com>
Fri, 5 Aug 2022 06:45:26 +0000
(14:45 +0800)
committer
Mark Brown
<broonie@kernel.org>
Tue, 23 Aug 2022 18:52:36 +0000
(19:52 +0100)
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>
Link:
https://lore.kernel.org/r/1659681926-13493-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/fsl/fsl_sai.c
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diff --git
a/sound/soc/fsl/fsl_sai.c
b/sound/soc/fsl/fsl_sai.c
index
0f92906
..
81f89f6
100644
(file)
--- a/
sound/soc/fsl/fsl_sai.c
+++ b/
sound/soc/fsl/fsl_sai.c
@@
-530,12
+530,14
@@
static int fsl_sai_hw_params(struct snd_pcm_substream *substream,
u32 watermark;
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);
/*