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[v2,2/4] ASoC: sun4i-i2s: Use the actual format width instead of an hardcoded one

Message ID f08a0c3605cd1d79752b38d704690190183f7865.1566392800.git-series.maxime.ripard@bootlin.com (mailing list archive)
State Mainlined
Commit 9e8a93ac27d101e0ace024196a4bc3386568cc00
Headers show
Series ASoC: sun4i-i2s: Number of fixes and TDM Support | expand

Commit Message

Maxime Ripard Aug. 21, 2019, 1:06 p.m. UTC 
From: Maxime Ripard <maxime.ripard@bootlin.com>

The LRCK period field in the FMT0 register holds the number of LRCK period
for one channel in I2S mode.

This has been hardcoded to 32, while it really should be the physical width
of the format, which creates an improper clock when using a 16bit format,
with the i2s controller as LRCK master.

Fixes: 7d2993811a1e ("ASoC: sun4i-i2s: Add support for H3")
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
---
 sound/soc/sunxi/sun4i-i2s.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c
index cdc3fa60ff33..9ef784b8867c 100644
--- a/sound/soc/sunxi/sun4i-i2s.c
+++ b/sound/soc/sunxi/sun4i-i2s.c
@@ -359,7 +359,7 @@  static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai,
 	if (i2s->variant->has_fmt_set_lrck_period)
 		regmap_update_bits(i2s->regmap, SUN4I_I2S_FMT0_REG,
 				   SUN8I_I2S_FMT0_LRCK_PERIOD_MASK,
-				   SUN8I_I2S_FMT0_LRCK_PERIOD(32));
+				   SUN8I_I2S_FMT0_LRCK_PERIOD(slot_width));
 
 	return 0;
 }